MolluscaBase - Unio Philipsson, 1788

WoRMS taxon details

Unio Philipsson, 1788

AphiaID

182707 (urn:lsid:marinespecies.org:taxname:182707)

Classification

Status

accepted

Rank

Genus

Typetaxon

Mya pictorum Linnaeus, 1758 accepted as Unio pictorum (Linnaeus, 1758) (type by subsequent designation)

Parent

Unionini Rafinesque, 1820

Original name

Unio Philipsson, 1788

Synonymised names

Batavusiana Bourguignat, 1889 · unaccepted > superseded rank

Batavusiana (Crassunio) Modell, 1964 · unaccepted (a junior synonym)

Cafferia C. T. Simpson, 1900 · unaccepted > junior subjective synonym

Consentunio Jatsko, 1972 · unaccepted (junior subjective synonym)

Crassiana Servain, 1882 · unaccepted > junior subjective synonym

Crassunio Modell, 1964 · unaccepted (junior objective synonym)

Eolymnium Prashad, 1919 · unaccepted > junior subjective synonym

Eolymnium (Shadininaia) Starobogatov, 1983 · unaccepted (a junior synonym)

Limnium · unaccepted (incorrect subsequent spelling of...)

incorrect subsequent spelling of Lymnium

Lymnium Moquin-Tandon, 1856 · unaccepted

Margarita (Unio) Philipsson, 1788 · unaccepted (reversed priority of genus-group names)

Margaron (Unio) Philipsson, 1788 · unaccepted (reversed priority of genus-group names)

Mysca W. Turton, 1822 · unaccepted > junior subjective synonym

Nemrodia Pallary, 1939 · unaccepted (unavailable; the name published...)

unavailable; the name published without designating a type species

Ningxiaconcha Q.-H. Ma, 1991 † · unaccepted > junior subjective synonym

Nodularia (Cafferia) C. T. Simpson, 1900 · unaccepted > superseded combination

Pictunio Jatsko, 1972 · unaccepted (junior objective synonym of Unio)

Unio (Bataviana) Servain, 1882 · unaccepted (a junior synonym)

Unio (Batavusiana) Bourguignat, 1889 · unaccepted (a junior synonym)

Unio (Cafferia) C. T. Simpson, 1900 · unaccepted > superseded combination

Unio (Consentunio) Jatsko, 1972 · unaccepted (junior subjective synonym)

Unio (Crassiana) Servain, 1882 · unaccepted > junior subjective synonym

Unio (Crassunio) Modell, 1964 · unaccepted (junior objective synonym)

Unio (Eolymnium) Prashad, 1919 · unaccepted > junior subjective synonym

Unio (Limnium) [sic] · unaccepted (incorrect subsequent spelling of...)

incorrect subsequent spelling of Lymnium; synonym

Unio (Lymnium) Moquin-Tandon, 1856 · unaccepted

Unio (Nemrodia) Pallary, 1939 · unaccepted (original rank)

Unio (Tumidunio) Jatsko, 1972 · unaccepted

Unio (Tumidusiana) Locard, 1889 · unaccepted

Unio (Unio) Philipsson, 1788 · unaccepted

Unionea Rafinesque, 1815 · unaccepted (unnecessary substitute name or...)

unnecessary substitute name or unjustified emendation of Unio

Unis F. W. Hutton, 1883 · unaccepted (orthographic variant)

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Species Unio abyssinicus E. von Martens, 1866
Species Unio acuticarinatus Pavlović, 1931 †
Species Unio adensis Atanacković, 1959 †
Species Unio aduncus J. De C. Sowerby, 1828 †
Species Unio amoenus X.-Z. Liu, 1988 † (accepted > unreplaced junior homonym)
Species Unio andersoni J. Hudson, 1963 †
Species Unio anfractidens Jatsko, 1972 †
Species Unio angarensis (Popova, 1981) †
Species Unio ansaiensis J.-S. Yu & R.-J. Zhang, 1980 †
Species Unio antiquus J. De C. Sowerby, 1828 †
Species Unio antiquus (T. Kobayashi & K. Suzuki, 1937) † (accepted > unreplaced junior homonym, junior secondary homonym of Unio antiquus J. de C. Sowerby, 1828)
Species Unio apscheronicus K. A. Ali-Zade, 1939 †
Species Unio aragangensis C. M. Kolesnikov, 1956 †
Species Unio arkitica Repman, 1963 †
Species Unio asturianus Delvene, Munt, Piñuela & García-Ramos, 2016 †
Species Unio atavus M. Hörnes, 1864 †
Species Unio austenii Forbes, 1856 †
Species Unio avangardensis Yakushina, 1964 †
Species Unio bachtynicus Gozhik & Prisyazhnyuk, 1971 †
Species Unio baeuerleini Modell, 1931 †
Species Unio baileyi Logan, 1900 †
Species Unio bainzurchensis Martinson & Hong, 1961 †
Species Unio balbinensis Ragozin, 1954 †
Species Unio barzaviae Jekelius, 1932 †
Species Unio baueri Stanton, 1916 †
Species Unio biarmicus Bogachev, 1961 †
Species Unio biveri Fabre-Taxy, 1951 †
Species Unio blumrichi Modell, 1940 †
Species Unio bogdanovkaensis (Gozhik, 1978) †
Species Unio bohemicus Petrbok, 1927 †
Species Unio boskovici Pavlović, 1931 †
Species Unio bosquianus Matheron, 1843 †
Species Unio bouei Pavlović, 1931 †
Species Unio bozdagiensis K. A. Ali-Zade, 1939 †
Species Unio brightoni F. R. Woodward, 1965 †
Species Unio brinoniensis Fabre-Taxy, 1951 †
Species Unio broilii Modell, 1941 †
Species Unio bruguierianus Bourguignat, 1853
Species Unio buarcosensis Choffat, 1885 †
Species Unio bugensis (Gozhik, 1978) †
Species Unio burgersteini Pavlović, 1931 †
Species Unio burjaticus C. M. Kolesnikov, 1956 †
Species Unio caffer Krauss, 1848
Species Unio cainarensis Jatsko, 1955 †
Species Unio caloosaensis Dall, 1898 †
Species Unio carinatoplicatus Bogachev, 1961 †
Species Unio carneus Küster, 1854
Species Unio castelli F. R. Woodward, 1967 †
Species Unio cetinensis Žagar-Sakač, 1987 †
Species Unio chasaricus Bogachev, 1924 †
Species Unio clinovatus Q.-S. Shan, 1994 †
Species Unio cochlearellus Cornuel, 1874 †
Species Unio colensis Martinson, 1961 †
Species Unio comes Bogachev, 1961 †
Species Unio compressus J. De C. Sowerby, 1828 †
Species Unio concentricosculptus G. I. Popov, 1965 †
Species Unio copernici Teisseyre, 1907 †
Species Unio cornuelianus A. d'Orbigny, 1850 †
Species Unio cosmianus Bogachev, 1936 †
Species Unio crassoides Chepalyga, 1967 †
Species Unio crassus Philipsson, 1788
Species Unio cretaceus Zittel, 1865 †
Species Unio cubranovici Brusina, 1902 †
Species Unio cumberlandi F. R. Woodward, 1965 †
Species Unio cuneatus Žagar-Sakač, 1987 † (accepted > unreplaced junior homonym)
Species Unio cuvierii Matheron, 1843 †
Species Unio cvijici Pavlović, 1931 †
Species Unio cyreniformis Oppenheim, 1895 † (accepted > unreplaced junior homonym)
Species Unio cyrensis K. A. Ali-Zade, 1939 †
Species Unio daanensis Z.-W. Gu & J.-S. Yu, 1999 †
Species Unio dabberti Modell, 1930 †
Species Unio damascensis I. Lea, 1863
Species Unio danischi Huckriede, 1967 †
Species Unio dardanus Calvert & Neumayr, 1880 †
Species Unio davilaiformis Chepalyga, 1967 †
Species Unio delgadoi Choffat, 1885 †
Species Unio delicatus I. Lea, 1863
Species Unio delphinus Spengler, 1793
Species Unio dembeae Reeve, 1865
Species Unio depolitus Volkova, 1939 †
Species Unio desectus Westerlund, 1879
Species Unio dollfusi Leriche, 1901 †
Species Unio dorsatus X.-Z. Liu, 1984 † (accepted > unreplaced junior homonym)
Species Unio dujiaensis X.-Z. Liu, 1984 †
Species Unio dumasi Repelin, 1902 †
Species Unio durieui Deshayes, 1847
Species Unio eagari F. R. Woodward, 1964 †
Species Unio ectatus Fontannes, 1880 †
Species Unio edwardsii S. V. Wood, 1864 †
Species Unio edwini B. B. Gupta, 1930 †
Species Unio ellipticus B.-L. Ding & J.-H. Li, 1982 † (accepted > unreplaced junior homonym, junior homonym of Unio ellipticus Barnes, 1823)
Species Unio elongata Cornuel, 1874 † (accepted > unreplaced junior homonym)
Species Unio elongatulus C. Pfeiffer, 1825
Species Unio emersoni Troxell, 1914 †
Species Unio emigrans Bogachev, 1924 †
Species Unio epigonus Bogachev, 1961 †
Species Unio eseri Krauss, 1852 †
Species Unio eucirrus Bourguignat, 1857
Species Unio filiferus Bogachev, 1961 †
Species Unio foucauldianus Pallary, 1936
Species Unio franconicus Dehm, 1935 †
Species Unio frankenbergeri Petrbok, 1923 †
Species Unio fusseneggeri Modell, 1934 †
Species Unio galeatus Ragozin, 1954 †
Species Unio gandavensis Leriche, 1901 †
Species Unio ganquanensis J.-S. Yu, 1980 †
Species Unio gardanensis Matheron, 1843 †
Species Unio garumnicus L. M. Vidal, 1921 †
Species Unio gibbsii Forbes, 1856 †
Species Unio gibbus Spengler, 1793
Species Unio giganteus D.-Y. Wang, 1977 † (accepted > unreplaced junior homonym, junior homonym of Unio giganteus Barnes, 1823)
Species Unio golovae Lebedev, 1958 †
Species Unio gontierii Bourguignat, 1856
Species Unio grabaui Martinson, 1956 †
Species Unio grippi Pavlović, 1931 †
Species Unio haeckeli Penecke, 1883 †
Species Unio haessleini Modell, 1935 †
Species Unio hanganensis Yakushina, 1973 †
Species Unio heberti Choffat, 1885 †
Species Unio heimi Choffat, 1885 †
Species Unio hians Jatsko, 1954 † (accepted > unreplaced junior homonym)
Species Unio hocaensis Milošević, 1968 †
Species Unio hoctemberiani Aslanyan, 1970 †
Species Unio hoernesi Penecke, 1883 †
Species Unio huainingensis B.-Y. Huang, J.-H. Li & B.-L. Ding, 1980 †
Species Unio huangbogouensis Hua, 1965 †
Species Unio hueti Bourguignat, 1855
Species Unio hulukouensis X.-Z. Liu, 1981 †
Species Unio hybrida Bogachev, 1961 † (accepted > unreplaced junior homonym)
Species Unio imkelleri Modell, 1931 †
Species Unio incurvus Bogachev, 1961 † (accepted > unreplaced junior homonym)
Species Unio indifferens Lindholm, 1932 †
Species Unio ingulenzis Gozhik, 1978 †
Species Unio ionicus Drouët, 1879
Species Unio irinae (Tolstikova, 1976) †
Species Unio jaccardi Locard, 1893 †
Species Unio jacksoni F. R. Woodward, 1964 †
Species Unio jalpuchae (Gozhik, 2002) †
Species Unio jasamalicus Golubyatnikov, 1927 †
Species Unio jatchevskii Lebedev, 1959 †
Species Unio jatzkoi Aslanyan, 1970 †
Species Unio jiamudariyaensis (J.-M. Wei, 1984) †
Species Unio jianchuanensis Q.-H. Ma, 1976 †
Species Unio jirgalitica J.-M. Wei, 1984 †
Species Unio jovanovici Pavlović, 1931 †
Species Unio karacojunli K. A. Ali-Zade, 1932 †
Species Unio karamaica J.-M. Wei, 1984 †
Species Unio karici Pavlović, 1931 †
Species Unio kasankensis Ragozin, 1954 †
Species Unio katzeri Brusina, 1904 †
Species Unio kaziaevi Lebedev, 1959 †
Species Unio kemensis Lebedev, 1958 †
Species Unio kendalli J. W. Jackson, 1911 †
Species Unio kettneri Petrbok, 1923 †
Species Unio keuperinus H. A. C. Berger, 1854 †
Species Unio kirchbergensis Krauss, 1852 †
Species Unio klikai Petrbok, 1923 †
Species Unio knighti Logan, 1900 †
Species Unio korkinensis B. I. Chernyshev, 1937 †
Species Unio kujalnicensis Mangikian, 1929 †
Species Unio kukuljevici Brusina, 1878 †
Species Unio lacazianus Dupuy, 1843 †
Species Unio laharpei Locard, 1893 †
Species Unio lanceolatiformis J.-S. Yu, 1987 †
Species Unio leanus Meek, 1871 †
Species Unio leei Z.-M. Zhang, 1976 †
Species Unio lianggaoshanensis X.-Z. Liu, 1984 †
Species Unio liangshanensis X.-Z. Liu, 1988 †
Species Unio lignitarius Rolle, 1858 †
Species Unio lintneri Milošević, 1968 †
Species Unio longus (G.-X. Zhu, 1976) †
Species Unio lorioli Locard, 1893 †
Species Unio lucaogouensis J.-M. Wei, 1984 †
Species Unio lukovici Pavlović, 1931 †
Species Unio luochengensis X.-Z. Liu & G.-X. Zhu, 1978 †
Species Unio macropisthus C. A. White, 1886 †
Species Unio mactrella Bogachev, 1908 †
Species Unio mancus Lamarck, 1819
Species Unio mandelslohi Dunker, 1848 †
Species Unio mantellii J. De C. Sowerby, 1836 †
Species Unio mardinensis I. Lea, 1865
Species Unio martinii J. De C. Sowerby, 1836 †
Species Unio martynovae Martinson & Hong, 1961 †
Species Unio maslakovetzianus Bogachev, 1924 †
Species Unio matyasovskyi Halaváts, 1902 †
Species Unio mayeri Choffat, 1885 †
Species Unio mesaverdensis Yen, 1954 †
Species Unio metohiensis Milošević, 1968 †
Species Unio migliorinii Magrograssi, 1928 †
Species Unio mihanovici Brusina, 1896 †
Species Unio mikhailovskii Bogachev, 1961 †
Species Unio minusculus Repman, 1963 † (accepted > unreplaced junior homonym)
Species Unio minutus J.-S. Yu, 1987 †
Species Unio miquanensis J.-M. Wei, 1984 †
Species Unio mirabilis J.-S. Yu, 1980 †
Species Unio modelli Moisescu, 1968 †
Species Unio moldavicus (Stefanescu, 1896) †
Species Unio moravicus M. Hörnes, 1864 †
Species Unio moskoni Papaianopol, 1989 †
Species Unio mushketovi Martinson, 1965 †
Species Unio musius Dall, 1913 †
Species Unio naftalanicus K. A. Ali-Zade, 1932 †
Species Unio nairicus Aslanyan, 1970 †
Species Unio nanus Lamarck, 1819
Species Unio nanxiensis X.-Z. Liu, 1984 †
Species Unio negreli Fabre-Taxy, 1951 †
Species Unio nicolaianus Brusina, 1874 †
Species Unio nicopolis Jatsko, 1955 †
Species Unio ningxiaensis Hua, 1965 †
Species Unio nurensis (Tolstikova, 1976) †
Species Unio nuttalli F. R. Woodward, 1965 †
Species Unio obrutschewi Martinson, 1956 †
Species Unio odessanus Jatsko, 1954 †
Species Unio ogamigoensis T. Kobayashi & K. Suzuki, 1937 †
Species Unio orahovacensis Milošević, 1968 †
Species Unio osadtschenkoae Jatsko, 1954 †
Species Unio ovoideus (Gozhik, 2002) †
Species Unio paletsensis Yakushina, 1973 †
Species Unio papiolensis Almera & Bofill y Poch, 1894 †
Species Unio partschi Penecke, 1883 †
Species Unio patapscoensis W. B. Clark, 1911 †
Species Unio pavlovi G. I. Popov, 1970 †
Species Unio pavlovici Brusina, 1902 †
Species Unio paxi Pavlović, 1931 †
Species Unio penultimus Gabb, 1864 †
Species Unio petkovici Pavlović, 1931 †
Species Unio petrboki Modell, 1930 †
Species Unio piandanshanensis X.-Z. Liu, 1984 †
Species Unio picteti Locard, 1893 †
Species Unio pictorum (Linnaeus, 1758)
Species Unio pillae De Stefani, 1880 †
Species Unio planiapicus X.-Z. Liu, 1984 †
Species Unio planus F. A. Roemer, 1836 † (accepted > unreplaced junior homonym)
Species Unio porrectus J. De C. Sowerby, 1828 †
Species Unio praecrassoides (Sidnev, 1976) †
Species Unio praelevantinus Bogachev, 1961 †
Species Unio praenovorossicus Andrusov, 1917 †
Species Unio praequadratus B.-L. Ding & J.-H. Li, 1982 †
Species Unio praerobustus (Gozhik, 2006) †
Species Unio prashadi Chepalyga, 1967 †
Species Unio prestwichi Kennard & B. B. Woodward, 1924 †
Species Unio proindifferens Jatsko, 1972 †
Species Unio pseudatavus Bukowski, 1896 †
Species Unio pseudendlichi Yen, 1954 †
Species Unio pseudochasaricus Chepalyga, 1967 †
Species Unio pseudomargaritanus Martinson, 1957 †
Species Unio pygmaeiformis Martinson, 1957 †
Species Unio qianweiensis X.-Z. Liu & Luo, 1978 †
Species Unio qingshuiheensis B.-Y. Huang & J.-M. Wei, 1976 †
Species Unio quadruus Soós, 1956 †
Species Unio rackianus Brusina, 1874 †
Species Unio radovanovici Pavlović, 1931 †
Species Unio ragozinii Lebedev, 1958 †
Species Unio rakovecianus Brusina, 1874 †
Species Unio ravoisieri Deshayes, 1848
Species Unio recurrens Penecke, 1883 †
Species Unio reesideanus Yen, 1951 †
Species Unio retrolatus X.-Z. Liu, 1988 †
Species Unio rongxianensis X.-Z. Liu, 1984 †
Species Unio sacsaganis (Jatsko, 1955) †
Species Unio sagorianus Bittner, 1884 †
Species Unio samuchicus K. A. Ali-Zade, 1939 †
Species Unio sartakoviensis Lebedev, 1959 †
Species Unio savroni Gozhik, 2006 †
Species Unio sayni Fontannes, 1880 †
Species Unio schabarowi B. I. Chernyshev, 1937 †
Species Unio schirvanicus Bogachev, 1932 †
Species Unio schlagintweitianus Modell, 1969 †
Species Unio schleschi Modell, 1935 †
Species Unio schurabensis B. I. Chernyshev, 1937 †
Species Unio sciphicus Gozhik, 1978 †
Species Unio scupiensis Pavlović, 1931 †
Species Unio scutellus Cornuel, 1874 †
Species Unio semirectus Cornuel, 1874 †
Species Unio serratoradiatus Bogachev, 1961 †
Species Unio sesirmensis Kobelt, 1913
Species Unio setubalensis Choffat, 1885 †
Species Unio sewardi F. R. Woodward, 1971 †
Species Unio shiziwanensis S.-Y. Cai, 1986 †
Species Unio shuangmiaoensis J.-S. Yu, G.-Y. Dong & P.-Y. Yao, 1989 †
Species Unio shueixigouensis J.-M. Wei, 1984 †
Species Unio sinzovi Bogachev, 1961 † (accepted > unreplaced junior homonym)
Species Unio sitsaensis Yakushina, 1964 †
Species Unio slobodzeanus Bogachev, 1961 †
Species Unio sophievkaensis Gozhik, 1978 †
Species Unio stegersbachensis (Sauerzopf, 1952) †
Species Unio stojadinovici Milošević, 1968 †
Species Unio subatavoides Pavlović, 1931 †
Species Unio subbugensis (Gozhik, 1978) †
Species Unio subcrassus G. I. Popov, 1968 †
Species Unio subflabellatiformis Jatsko, 1972 †
Species Unio submactraeformis Martinson, 1951 †
Species Unio submoldavicus B.-Y. Huang & J.-M. Wei, 1976 †
Species Unio subnicopolis (Gozhik, 1978) †
Species Unio subovalis Cornuel, 1874 †
Species Unio subparallelus B.-Y. Huang & J.-M. Wei, 1976 † (accepted > unreplaced junior homonym)
Species Unio subparallelus S. V. Wood, 1864 †
Species Unio subpartschi Laskarev, 1908 †
Species Unio subpartschi Bogachev, 1936 † (accepted > unreplaced junior homonym)
Species Unio subplanatus Lindholm, 1932 † (accepted > unreplaced junior homonym)
Species Unio subporrectus F. A. Roemer, 1836 †
Species Unio subrugosus (Matheron, 1843) †
Species Unio subsciphicus Gozhik, 1978 †
Species Unio subsinuatus F. C. L. Koch & Dunker, 1837 †
Species Unio subtrapezoidalis Q.-H. Ma, 1976 †
Species Unio subtruncatosus Cossmann, 1908 †
Species Unio subtruncatus J. De C. Sowerby, 1836 †
Species Unio subundulatus X.-Z. Liu, 1984 †
Species Unio subyirijinxiensis X.-Z. Liu, 1988 †
Species Unio sudovskyi Andrusov, 1906 †
Species Unio suskalovici Pavlović, 1931 †
Species Unio talandi T. Fuchs, 1877 †
Species Unio tanphilievi Mangikian, 1929 †
Species Unio terminalis Bourguignat, 1852
Species Unio tertius Bogachev, 1961 †
Species Unio thalassinus Brusina, 1874 †
Species Unio thulei F. R. Woodward, 1971 †
Species Unio tianshanensis B.-Y. Huang & J.-M. Wei, 1976 †
Species Unio tigridis Bourguignat, 1852
Species Unio tiraspolitanus Chepalyga, 1967 †
Species Unio todorovici Pavlović, 1931 †
Species Unio tomiensis Lebedev, 1959 †
Species Unio toulouzanii Matheron, 1843 †
Species Unio tournoueri Pallary, 1901 †
Species Unio transbaicalensis Martinson, 1961 †
Species Unio trapezoideus (Gozhik, 2006) †
Species Unio tsentahozensis Yakushina, 1973 †
Species Unio tudagouensis Yakushina, 1964 †
Species Unio tumidiformis Castro, 1885
Species Unio tumidus Philipsson, 1788
Species Unio tungusicus Bogachev, 1963 †
Species Unio tuositaiensis B.-Y. Huang & J.-M. Wei, 1976 †
Species Unio turgaicus Bogachev, 1961 †
Species Unio turgidula Cornuel, 1874 † (accepted > unreplaced junior homonym)
Species Unio tuzakeniegouensis J.-M. Wei, 1984 †
Species Unio tyjensis Lebedev, 1958 †
Species Unio ullerichi Modell, 1950 †
Species Unio undulatum J.-S. Yu, G.-Y. Dong & P.-Y. Yao, 1989 † (accepted > unreplaced junior homonym)
Species Unio uralensis B. I. Chernyshev, 1937 †
Species Unio urjupiensis Lebedev, 1958 †
Species Unio uryuensis K. Suzuki, 1941 †
Species Unio uschcalcensis Jatsko, 1955 †
Species Unio uzbekistanicus Repman, 1963 †
Species Unio vasarhelyii Lörenthey, 1902 †
Species Unio venerius Fontannes, 1880 †
Species Unio ventricosa Cornuel, 1874 † (accepted > unreplaced junior homonym)
Species Unio veziani Choffat, 1885 †
Species Unio vicarius Westerlund, 1879
Species Unio vicentei Bataller, 1947 †
Species Unio waqianensis X.-Z. Liu, 1988 †
Species Unio wasawensis X.-Z. Liu, 1988 †
Species Unio wayaopuensis B.-P. Liu & Z.-S. Li, 1980 †
Species Unio weiyuanensis X.-Z. Liu, 1984 †
Species Unio weiyuanensis S.-Y. Cai, 1986 † (accepted > unreplaced junior homonym)
Species Unio wendli Modell, 1931 †
Species Unio wilbrahamensis (B. K. Emerson, 1900) †
Species Unio willistoni Logan, 1900 †
Species Unio wolffi Modell, 1931 †
Species Unio wuerheensis J.-M. Wei, 1984 †
Species Unio xibeiensis B.-Y. Huang & J.-M. Wei, 1976 †
Species Unio xietanensis J.-S. Yu, 1987 †
Species Unio xuefengchuanensis B.-P. Liu & Z.-S. Li, 1980 †
Species Unio yanbianensis Z.-W. Gu, 1976 †
Species Unio yangcaogouensis J.-S. Yu & G.-Y. Dong, 1993 †
Species Unio yirijinxiensis X.-Z. Liu, 1988 †
Species Unio yueshanensis B.-L. Ding & J.-H. Li, 1982 †
Species Unio zhairtauensis J.-M. Wei, 1984 †
Species Unio zhaozhouensis Z.-W. Gu, 1999 †
Species Unio zhengziensis X.-Z. Liu, 1984 †
Species Unio zhenlaiensis Z.-W. Gu, 1999 †
Species Unio zhungaricus J.-M. Wei, 1984 †
Species Unio zhuzhouensis Z.-R. Zhou, 1977 †
Species Unio zujovici Pavlović, 1931 †
Species Unio zvonimiri Brusina, 1902 †
Subgenus Unio (Actinonaias) Crosse & P. Fischer, 1894 accepted as Actinonaias Crosse & P. Fischer, 1894 (original rank)
Subgenus Unio (Alasmodon) G. B. Sowerby I, 1824 accepted as Alasmidonta Say, 1818 (invalid: unjustified emendation)
1. Species Unio (Alasmodon) dahuricus Middendorff, 1850 accepted as Margaritifera dahurica (Middendorff, 1850) (original combination)
2. Species Unio (Alasmodon) evansi A. Adams & Angas, 1864 accepted as Velesunio ambiguus (R. A. Philippi, 1847) (junior synonym)
3. Species Unio (Alasmodon) stuarti A. Adams & Angas, 1864 accepted as Velesunio wilsonii (I. Lea, 1859) (junior synonym)
Subgenus Unio (Alasmodonta) Say, 1818 accepted as Alasmodonta [sic] accepted as Alasmidonta Say, 1818 (unaccepted combination)
1. Species Unio (Alasmodonta) bonellii A. Férussac, 1827 accepted as Microcondylaea bonellii (A. Férussac, 1827) (original combination)
Subgenus Unio (Amphinaias) Crosse & P. Fischer, 1894 accepted as Quadrula Rafinesque, 1820
Subgenus Unio (Anodon) Swainson, 1840 accepted as Anodonta Lamarck, 1799
1. Species Unio (Anodon) totiumsanctorum Hartt, 1870 † accepted as Anodontites totiumsanctorum (Hartt, 1870) † (unaccepted > superseded combination)
Subgenus Unio (Anodonta) Lamarck, 1799 accepted as Anodonta Lamarck, 1799
1. Species Unio (Anodonta) athlios Mayer, 1869 † accepted as Anodonta athlios (Mayer, 1869) † (unaccepted > superseded combination)
2. Species Unio (Anodonta) smaragdinus Anton, 1838 accepted as Cristaria plicata (Leach, 1814) (junior synonym)
Subgenus Unio (Anodontes) Cuvier, 1817 accepted as Anodontites Bruguière, 1792 (a junior synonym)
1. Species Unio (Anodontes) chiquitana A. d'Orbigny, 1835 accepted as Anodontites trigona (Spix, 1827) (unaccepted > junior subjective synonym)
2. Species Unio (Anodontes) ferrarisii A. d'Orbigny, 1835 accepted as Anodontites sirionos (A. d'Orbigny, 1835)
3. Species Unio (Anodontes) limnoica A. d'Orbigny, 1835 accepted as Anodontites trigona (Spix, 1827) (unaccepted > junior subjective synonym)
4. Species Unio (Anodontes) lucida A. d'Orbigny, 1835 accepted as Anodontites lucida (A. d'Orbigny, 1835) (original combination)
5. Species Unio (Anodontes) puelchana A. d'Orbigny, 1835 accepted as Anodontites trigona (Spix, 1827) (unaccepted > junior subjective synonym)
6. Species Unio (Anodontes) sirionos A. d'Orbigny, 1835 accepted as Anodontites sirionos (A. d'Orbigny, 1835) (unaccepted > superseded combination)
7. Species Unio (Anodontes) soleniformis A. d'Orbigny, 1835 accepted as Anodontites soleniformis (A. d'Orbigny, 1835) accepted as Anodontites solenidea (G. B. Sowerby II, 1867) (original combination)
8. Species Unio (Anodontes) spixii A. d'Orbigny, 1835 accepted as Anodontites trapezea (Spix, 1827) (unaccepted > junior subjective synonym)
Subgenus Unio (Arconaia) Conrad, 1865 accepted as Lanceolaria Conrad, 1853 (unaccepted > junior subjective synonym)
1. Species Unio (Arconaia) delaportei Crosse & P. Fischer, 1876 accepted as Hyriopsis delaportei (Crosse & P. Fischer, 1876) (basionym)
2. Species Unio (Arconaia) provancheriana Pilsbry, 1890 accepted as Elliptio complanata ([Lightfoot], 1786) (junior synonym)
Subgenus Unio (Arotonaias) E. von Martens, 1900 accepted as Arotonaias E. von Martens, 1900 (original rank)
Subgenus Unio (Aximedia) Rafinesque, 1820 accepted as Pleurobema Rafinesque, 1819
1. Species Unio (Aximedia) elliptica Rafinesque, 1820 accepted as Pleurobema clava (Lamarck, 1819)
2. Species Unio (Aximedia) levigata Rafinesque, 1820 accepted as Obovaria subrotunda Rafinesque, 1820
3. Species Unio (Aximedia) zonalis Rafinesque, 1820 accepted as Obovaria subrotunda Rafinesque, 1820
Subgenus Unio (Baphia) Gray, 1847 accepted as Vulsella Röding, 1798 (junior objective synonym)
1. Species Unio (Baphia) nebrascensis Meek, 1871 † accepted as Amblema nebrascensis (Meek, 1871) † (unaccepted > superseded combination)
Subgenus Unio (Bariosta) Rafinesque, 1831 accepted as Plectomerus Conrad, 1853 (unaccepted > junior subjective synonym)
1. Species Unio (Bariosta) flyensis Tapparone Canefri, 1883 accepted as Westralunio flyensis (Tapparone Canefri, 1883) (unaccepted > superseded combination)
Subgenus Unio (Baryana) Locard, 1889 accepted as Pseudunio F. Haas, 1910 (a junior synonym)
Subgenus Unio (Barynaias) Fischer & Crosse, 1894 accepted as Barynaias Crosse & P. Fischer, 1894 (original rank)
Subgenus Unio (Bataviana) Servain, 1882 accepted as Unio (Crassiana) Servain, 1882 accepted as Unio Philipsson, 1788 (a junior synonym)
Subgenus Unio (Batavusiana) Bourguignat, 1889 accepted as Unio (Crassiana) Servain, 1882 accepted as Unio Philipsson, 1788 (a junior synonym)
Subgenus Unio (Cafferia) C. T. Simpson, 1900 accepted as Cafferia C. T. Simpson, 1900 accepted as Unio Philipsson, 1788 (unaccepted > superseded combination)
1. Species Unio (Cafferia) connollyi Pilsbry, 1923 accepted as Unio caffer connollyi Pilsbry, 1923 (basionym)
Subgenus Unio (Canthyria) Swainson, 1840 accepted as Elliptio Rafinesque, 1819
1. Species Unio (Canthyria) spinosus I. Lea, 1836 accepted as Elliptio spinosa (I. Lea, 1836) (recombination)
Subgenus Unio (Coelatura) Conrad, 1853 accepted as Coelatura Conrad, 1853 (original rank)
Subgenus Unio (Consentunio) Jatsko, 1972 accepted as Unio (Crassiana) Servain, 1882 accepted as Unio Philipsson, 1788 (junior subjective synonym)
Subgenus Unio (Crassiana) Servain, 1882 accepted as Unio Philipsson, 1788 (unaccepted > junior subjective synonym)
1. Species Unio (Crassiana) crassus Philipsson, 1788 accepted as Unio crassus Philipsson, 1788
2. Species Unio (Crassiana) cyprinorum Bourguignat, 1882 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
3. Species Unio (Crassiana) fusculus Rossmässler, 1835 accepted as Unio crassus Philipsson, 1788 (unaccepted > superseded combination)
4. Species Unio (Crassiana) gregorii Kobelt, 1911 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
5. Species Unio (Crassiana) irenjensis Kobelt, 1911 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
6. Species Unio (Crassiana) irgizlaicus Lindholm, 1904 accepted as Unio crassus Philipsson, 1788
7. Species Unio (Crassiana) mengrelicus Drouët, 1881 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
8. Species Unio (Crassiana) musivus Spengler, 1793 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
9. Species Unio (Crassiana) sobrievskii Rosen, 1925 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
10. Species Unio (Crassiana) stevenianiformis Zhadin, 1938 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
Subgenus Unio (Crassunio) Modell, 1964 accepted as Unio (Crassiana) Servain, 1882 accepted as Unio Philipsson, 1788 (junior objective synonym)
1. Species Unio (Crassunio) crassoides Chepalyga, 1967 † accepted as Unio crassoides Chepalyga, 1967 † (subgenus not accepted)
2. Species Unio (Crassunio) davilaiformis Chepalyga, 1967 † accepted as Unio davilaiformis Chepalyga, 1967 † (subgenus not accepted)
Subgenus Unio (Cuneopsis) C. T. Simpson, 1900 accepted as Cuneopsis C. T. Simpson, 1900
1. Species Unio (Cuneopsis) indricorum Bogachev, 1961 † accepted as Lanceolaria indricora (Bogachev, 1961) † (unaccepted > superseded combination)
2. Species Unio (Cuneopsis) tauriformis Fulton, 1906 accepted as Rhombuniopsis tauriformis (Fulton, 1906) (basionym)
Subgenus Unio (Cyrtonaias) Crosse & P. Fischer, 1894 accepted as Cyrtonaias Crosse & P. Fischer, 1894 (original rank)
Subgenus Unio (Delphinonaias) Crosse & P. Fischer, 1894 accepted as Delphinonaias Crosse & P. Fischer, 1894 (original rank)
Subgenus Unio (Diplodon) Spix, 1827 accepted as Diplodon Spix, 1827 (original rank)
1. Species Unio (Diplodon) beccarianus Tapparone Canefri, 1883 accepted as Virgus beccarianus (Tapparone Canefri, 1883) (basionym)
2. Species Unio (Diplodon) mattirolii Tapparone Canefri, 1883 accepted as Virgus beccarianus (Tapparone Canefri, 1883)
Subgenus Unio (Disconaias) Crosse & P. Fischer, 1894 accepted as Disconaias Crosse & P. Fischer, 1894 (original rank)
Subgenus Unio (Elliptio) Rafinesque, 1819 accepted as Elliptio Rafinesque, 1819 (original rank)
1. Species Unio (Elliptio) aheneus I. Lea, 1843 accepted as Elliptio ahenea (I. Lea, 1843) (recombination)
2. Species Unio (Elliptio) amabilis I. Lea, 1865 accepted as Pleurobema pyriforme (I. Lea, 1857)
3. Species Unio (Elliptio) angustatus I. Lea, 1831 accepted as Elliptio angustata (I. Lea, 1831) (recombination)
4. Species Unio (Elliptio) aquilus I. Lea, 1857 accepted as Elliptio pullata (I. Lea, 1857)
5. Species Unio (Elliptio) arctatus Conrad, 1834 accepted as Elliptio arctata (Conrad, 1834)
6. Species Unio (Elliptio) attenuatus I. Lea, 1872 accepted as Elliptio folliculata (I. Lea, 1838)
7. Species Unio (Elliptio) aurata Rafinesque, 1820 accepted as Elliptio complanata ([Lightfoot], 1786)
8. Species Unio (Elliptio) brimleyi S. H. Wright, 1897 accepted as Fusconaia masoni (Conrad, 1834)
9. Species Unio (Elliptio) buckleyi I. Lea, 1843 accepted as Elliptio jayensis (I. Lea, 1838)
10. Species Unio (Elliptio) burkensis I. Lea, 1859 accepted as Elliptio complanata ([Lightfoot], 1786)
11. Species Unio (Elliptio) burtchianus S. H. Wright, 1897 accepted as Elliptio occulta (I. Lea, 1843)
12. Species Unio (Elliptio) buxtoni B. H. Wright, 1897 accepted as Elliptio jayensis (I. Lea, 1838)
13. Species Unio (Elliptio) catawbensis I. Lea, 1857 accepted as Elliptio complanata ([Lightfoot], 1786)
14. Species Unio (Elliptio) chipolaensis B. Walker, 1905 accepted as Elliptio chipolaensis (B. Walker, 1905)
15. Species Unio (Elliptio) complanatus ([Lightfoot], 1786) accepted as Elliptio complanata ([Lightfoot], 1786)
16. Species Unio (Elliptio) confertus I. Lea, 1834 accepted as Elliptio raveneli (Conrad, 1834) accepted as Elliptio icterina (Conrad, 1834) (recombination)
17. Species Unio (Elliptio) congaraeus I. Lea, 1831 accepted as Elliptio congaraea (I. Lea, 1831) (recombination)
18. Species Unio (Elliptio) coruscus A. Gould, 1856 accepted as Elliptio jayensis (I. Lea, 1838) (junior synonym)
19. Species Unio (Elliptio) crassidens Lamarck, 1819 accepted as Elliptio crassidens (Lamarck, 1819)
20. Species Unio (Elliptio) cunninghami B. H. Wright, 1883 accepted as Elliptio jayensis (I. Lea, 1838)
21. Species Unio (Elliptio) cuvierianus I. Lea, 1852 accepted as Elliptio complanata ([Lightfoot], 1786)
22. Species Unio (Elliptio) danielsii B. H. Wright, 1899 accepted as Elliptio crassidens (Lamarck, 1819)
23. Species Unio (Elliptio) dariensis I. Lea, 1842 accepted as Elliptio dariensis (I. Lea, 1842) (recombination)
24. Species Unio (Elliptio) differtus I. Lea, 1872 accepted as Elliptio complanata ([Lightfoot], 1786)
25. Species Unio (Elliptio) dispalans B. H. Wright, 1899 accepted as Elliptio occulta (I. Lea, 1843)
26. Species Unio (Elliptio) dorei B. H. Wright, 1888 accepted as Elliptio jayensis (I. Lea, 1838)
27. Species Unio (Elliptio) dorsatus I. Lea, 1868 accepted as Elliptio congaraea (I. Lea, 1831)
28. Species Unio (Elliptio) downiei I. Lea, 1858 accepted as Elliptio downiei (I. Lea, 1858)
29. Species Unio (Elliptio) duttonianus I. Lea, 1841 accepted as Elliptio lanceolata (I. Lea, 1827)
30. Species Unio (Elliptio) emmonsii I. Lea, 1857 accepted as Elliptio lanceolata (I. Lea, 1827)
31. Species Unio (Elliptio) errans I. Lea, 1857 accepted as Elliptio errans (I. Lea, 1857) accepted as Elliptio complanata ([Lightfoot], 1786)
32. Species Unio (Elliptio) fasciata Rafinesque, 1820 accepted as Ortmanniana ligamentina (Lamarck, 1819)
33. Species Unio (Elliptio) ferrissii W. A. Marsh, 1891 accepted as Elliptio jayensis (I. Lea, 1838) (unaccepted > junior subjective synonym)
34. Species Unio (Elliptio) fisherianus I. Lea, 1838 accepted as Elliptio fisheriana (I. Lea, 1838)
35. Species Unio (Elliptio) folliculatus I. Lea, 1838 accepted as Elliptio folliculata (I. Lea, 1838) (recombination)
36. Species Unio (Elliptio) forbesianus I. Lea, 1852 accepted as Elliptio congaraea (I. Lea, 1831)
37. Species Unio (Elliptio) fraternus I. Lea, 1852 accepted as Elliptio fraterna (I. Lea, 1852)
38. Species Unio (Elliptio) fuscatus I. Lea, 1843 accepted as Elliptio occulta (I. Lea, 1843) (recombination)
39. Species Unio (Elliptio) geminus I. Lea, 1857 accepted as Elliptio complanata ([Lightfoot], 1786)
40. Species Unio (Elliptio) gibbosus Barnes, 1823 accepted as Eurynia dilatata (Rafinesque, 1820)
41. Species Unio (Elliptio) guatemalanus E. von Martens, 1900 accepted as Nephronaias goascoranensis (I. Lea, 1858) (junior synonym)
42. Species Unio (Elliptio) hartwrightii B. H. Wright, 1896 accepted as Elliptio monroensis (I. Lea, 1843)
43. Species Unio (Elliptio) hazelhurstianus I. Lea, 1858 accepted as Elliptio lanceolata (I. Lea, 1827)
44. Species Unio (Elliptio) hinkleyi B. H. Wright, 1888 accepted as Elliptio jayensis (I. Lea, 1838)
45. Species Unio (Elliptio) hopetonensis I. Lea, 1838 accepted as Elliptio hopetonensis (I. Lea, 1838)
46. Species Unio (Elliptio) icterinus Conrad, 1834 accepted as Elliptio icterina (Conrad, 1834)
47. Species Unio (Elliptio) iheringi B. H. Wright, 1898 accepted as Sphenonaias taumilapana (Conrad, 1855)
48. Species Unio (Elliptio) incrassatus I. Lea, 1840 accepted as Elliptio crassidens (Lamarck, 1819)
49. Species Unio (Elliptio) insulsus I. Lea, 1857 accepted as Elliptio complanata ([Lightfoot], 1786)
50. Species Unio (Elliptio) inusitatis I. Lea, 1859 accepted as Elliptio hopetonensis (I. Lea, 1838)
51. Species Unio (Elliptio) jayensis I. Lea, 1838 accepted as Elliptio jayensis (I. Lea, 1838) (recombination)
52. Species Unio (Elliptio) lanceolatus I. Lea, 1827 accepted as Elliptio lanceolata (I. Lea, 1827)
53. Species Unio (Elliptio) lazarus I. Lea, 1852 accepted as Elliptio arctata (Conrad, 1834)
54. Species Unio (Elliptio) lecontianus I. Lea, 1838 accepted as Elliptio congaraea (I. Lea, 1831) (recombination)
55. Species Unio (Elliptio) lehmanii S. H. Wright, 1897 accepted as Elliptio occulta (I. Lea, 1843)
56. Species Unio (Elliptio) livingstonensis I. Lea, 1863 accepted as Elliptio icterina (Conrad, 1834)
57. Species Unio (Elliptio) luridus I. Lea, 1852 accepted as Elliptio arca (Conrad, 1834)
58. Species Unio (Elliptio) masoni Conrad, 1834 accepted as Fusconaia masoni (Conrad, 1834)
59. Species Unio (Elliptio) merus I. Lea, 1852 accepted as Fusconaia masoni (Conrad, 1834)
60. Species Unio (Elliptio) micans I. Lea, 1857 accepted as Elliptio icterina (Conrad, 1834)
61. Species Unio (Elliptio) mitchelli (C. T. Simpson, 1895) accepted as Fusconaia mitchelli (C. T. Simpson, 1895) (unaccepted > superseded combination)
62. Species Unio (Elliptio) monroensis I. Lea, 1843 accepted as Elliptio monroensis (I. Lea, 1843)
63. Species Unio (Elliptio) nasutulus I. Lea, 1863 accepted as Elliptio nasutidus (I. Lea, 1863) accepted as Elliptio producta (Conrad, 1836)
64. Species Unio (Elliptio) naviculoides I. Lea, 1857 accepted as Elliptio lanceolata (I. Lea, 1827)
65. Species Unio (Elliptio) nigellus I. Lea, 1852 accepted as Elliptio nigella (I. Lea, 1852)
66. Species Unio (Elliptio) nigra Rafinesque, 1820 accepted as Elliptio crassidens (Lamarck, 1819)
67. Species Unio (Elliptio) oblatus I. Lea, 1863 accepted as Elliptio icterina (Conrad, 1834)
68. Species Unio (Elliptio) obnubilus I. Lea, 1857 accepted as Elliptio icterina (Conrad, 1834)
69. Species Unio (Elliptio) occultus I. Lea, 1843 accepted as Elliptio occulta (I. Lea, 1843) (recombination)
70. Species Unio (Elliptio) ocmulgeensis I. Lea, 1861 accepted as Elliptio icterina (Conrad, 1834)
71. Species Unio (Elliptio) oscari B. H. Wright, 1892 accepted as Elliptio jayensis (I. Lea, 1838)
72. Species Unio (Elliptio) perstriatus I. Lea, 1852 accepted as Elliptio arctata (Conrad, 1834)
73. Species Unio (Elliptio) pinei B. H. Wright, 1897 accepted as Elliptio jayensis (I. Lea, 1838)
74. Species Unio (Elliptio) plantii I. Lea, 1857 accepted as Elliptio fumata (I. Lea, 1857)
75. Species Unio (Elliptio) polymorphus B. H. Wright, 1899 accepted as Elliptio monroensis (I. Lea, 1843)
76. Species Unio (Elliptio) popeii I. Lea, 1857 accepted as Popenaias popeii (I. Lea, 1857)
77. Species Unio (Elliptio) productus Conrad, 1836 accepted as Elliptio producta (Conrad, 1836)
78. Species Unio (Elliptio) purus I. Lea, 1858 accepted as Elliptio complanata ([Lightfoot], 1786)
79. Species Unio (Elliptio) pusillus Barnes, 1840 accepted as Elliptio congaraea (I. Lea, 1831)
80. Species Unio (Elliptio) pygmaeus I. Lea, 1852 accepted as Lasmigona subviridis (Conrad, 1835)
81. Species Unio (Elliptio) roanokensis I. Lea, 1838 accepted as Elliptio roanokensis (I. Lea, 1838) (recombination)
82. Species Unio (Elliptio) rostraeformis I. Lea, 1857 accepted as Elliptio producta (Conrad, 1836)
83. Species Unio (Elliptio) rostrum I. Lea, 1862 accepted as Elliptio complanata ([Lightfoot], 1786)
84. Species Unio (Elliptio) sagittiformis I. Lea, 1852 accepted as Elliptio lanceolata (I. Lea, 1827)
85. Species Unio (Elliptio) sanctorumjohanium B. H. Wright, 1933 accepted as Elliptio jayensis (I. Lea, 1838) (unaccepted > junior subjective synonym)
86. Species Unio (Elliptio) shepardianus I. Lea, 1834 accepted as Elliptio shepardiana (I. Lea, 1834) (recombination)
87. Species Unio (Elliptio) singularis B. H. Wright, 1899 accepted as Elliptio pullata (I. Lea, 1857)
88. Species Unio (Elliptio) sloatianus I. Lea, 1840 accepted as Elliptoideus sloatianus (I. Lea, 1840)
89. Species Unio (Elliptio) sordidus I. Lea, 1852 accepted as Elliptio congaraea (I. Lea, 1831)
90. Species Unio (Elliptio) spadiceus I. Lea, 1857 accepted as Elliptio complanata ([Lightfoot], 1786)
91. Species Unio (Elliptio) sphenorhynchus Crosse & P. Fischer, 1894 accepted as Nephronaias sphenorhyncha (Crosse & P. Fischer, 1894) (unaccepted combination)
92. Species Unio (Elliptio) spissus I. Lea, 1859 accepted as Elliptio downiei (I. Lea, 1858)
93. Species Unio (Elliptio) stonensis I. Lea, 1840 accepted as Eurynia dilatata (Rafinesque, 1820)
94. Species Unio (Elliptio) striatulus I. Lea, 1857 accepted as Fusconaia masoni (Conrad, 1834)
95. Species Unio (Elliptio) strigosus I. Lea, 1840 accepted as Elliptio arctata (Conrad, 1834)
96. Species Unio (Elliptio) strumosus I. Lea, 1872 accepted as Elliptio congaraea (I. Lea, 1831)
97. Species Unio (Elliptio) subinflatus Conrad, 1835 accepted as Elliptio complanata ([Lightfoot], 1786)
98. Species Unio (Elliptio) subluridus C. T. Simpson, 1892 accepted as Elliptio jayensis (I. Lea, 1838) (unaccepted > junior subjective synonym)
99. Species Unio (Elliptio) subniger I. Lea, 1857 accepted as Elliptio fumata (I. Lea, 1857)
100. Species Unio (Elliptio) subplanus Conrad, 1837 (unaccepted)
101. Species Unio (Elliptio) sulfuriensis McLearn, 1945 † (unaccepted > superseded combination)
102. Species Unio (Elliptio) tenuisculus Frierson, 1911 (unaccepted)
103. Species Unio (Elliptio) tuomeyi I. Lea, 1852 (unaccepted)
104. Species Unio (Elliptio) viridis Rafinesque, 1820 (unaccepted)
105. Species Unio (Elliptio) viridulus I. Lea, 1863 (unaccepted)
106. Species Unio (Elliptio) waccamawensis I. Lea, 1863 (unaccepted)
107. Species Unio (Elliptio) waltoni B. H. Wright, 1888 (unaccepted)
108. Species Unio (Elliptio) webbianus B. H. Wright, 1934 (unaccepted > junior subjective synonym)
109. Species Unio (Elliptio) websterii B. H. Wright, 1888 (unaccepted)
Subgenus Unio (Eolymnium) Prashad, 1919 (unaccepted > junior subjective synonym)
1. Species Unio (Eolymnium) anfractidens Jatsko, 1972 † accepted as Unio anfractidens Jatsko, 1972 † (subgenus not accepted)
2. Species Unio (Eolymnium) araxenus Drouët, 1881 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
3. Species Unio (Eolymnium) atavus M. Hörnes, 1864 † accepted as Unio atavus M. Hörnes, 1864 † (subgenus not accepted)
4. Species Unio (Eolymnium) byzantinus Drouët, 1879 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
5. Species Unio (Eolymnium) colchicus Drouët, 1881 accepted as Unio crassus Philipsson, 1788 (a junior synonym)
6. Species Unio (Eolymnium) fusseneggeri (Modell, 1934) † accepted as Unio fusseneggeri Modell, 1934 † (unaccepted > superseded combination)
7. Species Unio (Eolymnium) moravicus M. Hörnes, 1864 † accepted as Unio moravicus M. Hörnes, 1864 † (subgenus not accepted)
8. Species Unio (Eolymnium) prashadi Chepalyga, 1967 † accepted as Unio prashadi Chepalyga, 1967 † (subgenus not accepted)
9. Species Unio (Eolymnium) proindifferens Jatsko, 1972 † accepted as Unio proindifferens Jatsko, 1972 † (subgenus not accepted)
10. Species Unio (Eolymnium) pseudochasaricus Chepalyga, 1967 † accepted as Unio pseudochasaricus Chepalyga, 1967 † (subgenus not accepted)
11. Species Unio (Eolymnium) pseudochosaricus [sic] † accepted as Unio (Eolymnium) pseudochasaricus Chepalyga, 1967 † accepted as Unio pseudochasaricus Chepalyga, 1967 † (unaccepted > misspelling - incorrect subsequent spelling)
12. Species Unio (Eolymnium) raddei Drouët, 1881 accepted as Unio crassus Philipsson, 1788
13. Species Unio (Eolymnium) sciphicus Gozhik, 1978 † accepted as Unio sciphicus Gozhik, 1978 † (subgenus not accepted)
14. Species Unio (Eolymnium) stegersbachensis (Sauerzopf, 1952) † accepted as Unio stegersbachensis (Sauerzopf, 1952) † (unaccepted > superseded combination)
15. Species Unio (Eolymnium) subsciphicus Gozhik, 1978 † accepted as Unio subsciphicus Gozhik, 1978 † (subgenus not accepted)
16. Species Unio (Eolymnium) tiraspolitanus Chepalyga, 1967 † accepted as Unio tiraspolitanus Chepalyga, 1967 † (subgenus not accepted)
Subgenus Unio (Eurynia) Rafinesque, 1819 accepted as Eurynia Rafinesque, 1819 (original rank)
1. Species Unio (Eurynia) dilatata Rafinesque, 1820 accepted as Eurynia dilatata (Rafinesque, 1820)
2. Species Unio (Eurynia) latissima Rafinesque, 1820 accepted as Ligumia recta (Lamarck, 1819)
3. Species Unio (Eurynia) solenoides Rafinesque, 1820 accepted as Theliderma cylindrica (Say, 1817)
4. Species Unio (Eurynia) teres Rafinesque, 1820 accepted as Lampsilis teres (Rafinesque, 1820)
Subgenus Unio (Glebula) Conrad, 1853 accepted as Glebula Conrad, 1853 (original rank)
Subgenus Unio (Grandidieria) Bourguignat, 1885 accepted as Grandidieria Bourguignat, 1885
1. Species Unio (Grandidieria) abruptus V. E. Fuchs, 1936 † accepted as Pseudobovaria mwayana (V. E. Fuchs, 1936) † (subjective synonym)
2. Species Unio (Grandidieria) chefneuxi Neuville & Anthony, 1906 accepted as Nitia chefneuxi (Neuville & Anthony, 1906) (basionym)
3. Species Unio (Grandidieria) mwayanus V. E. Fuchs, 1936 † accepted as Pseudobovaria mwayana (V. E. Fuchs, 1936) † (unaccepted > superseded combination)
4. Species Unio (Grandidieria) rothschildi H. Neuville & R. Anthony, 1906 accepted as Coelatura rothschildi (H. Neuville & R. Anthony, 1906) (original combination)
5. Species Unio (Grandidieria) tanganyicensis E. A. Smith, 1880 accepted as Unio tanganyicensis E. A. Smith, 1880 accepted as Grandidieria burtoni (S. P. Woodward, 1859)
6. Species Unio (Grandidieria) tsadianus E. von Martens, 1903 accepted as Coelatura aegyptiaca (Cailliaud, 1823)
Subgenus Unio (Heterunio) Lindholm, 1932 † accepted as Heterunio Lindholm, 1932 † (unaccepted > superseded rank)
1. Species Unio (Heterunio) exquisitus Lindholm, 1932 † accepted as Heterunio exquisitus (Lindholm, 1932) † (unaccepted > superseded combination)
Subgenus Unio (Iridea) Swainson, 1840 accepted as Diplodon Spix, 1827 (junior subjective synonym)
1. Species Unio (Iridea) doljiensis Stefanescu, 1896 † accepted as Cuneopsidea doljiensis (Stefanescu, 1896) † (unaccepted > superseded combination)
2. Species Unio (Iridea) subflabellatus Rollier, 1910 † accepted as Margaritifera subflabellata (Rollier, 1910) † (unaccepted > superseded combination)
Subgenus Unio (Lampsilis) Rafinesque, 1820 accepted as Lampsilis Rafinesque, 1820
1. Species Unio (Lampsilis) amphichaena Frierson, 1898 accepted as Potamilus amphichaenus (Frierson, 1898) (original combination)
2. Species Unio (Lampsilis) rovirosai Pilsbry, 1900 accepted as Potamilus rovirosai (Pilsbry, 1900) (original combination)
3. Species Unio (Lampsilis) sandrius Dall, 1913 † accepted as Lampsilis sandrius (Dall, 1913) † (unaccepted > superseded combination)
4. Species Unio (Lampsilis) subtortus Baird & H. Adams, 1867 (uncertain > unassessed)
Subgenus Unio (Lanceolaria) Conrad, 1853 accepted as Lanceolaria Conrad, 1853 (original rank)
Subgenus Unio (Lemiox) Rafinesque, 1831 accepted as Lemiox Rafinesque, 1831 (original rank)
1. Species Unio (Lemiox) rimosus Rafinesque, 1831 accepted as Lemiox rimosus (Rafinesque, 1831) (basionym)
Subgenus Unio (Leptodea) Rafinesque, 1820 accepted as Leptodea Rafinesque, 1820 accepted as Potamilus Rafinesque, 1818 (original rank)
1. Species Unio (Leptodea) fragilis Rafinesque, 1820 accepted as Potamilus fragilis (Rafinesque, 1820) (basionym)
2. Species Unio (Leptodea) leptodon Rafinesque, 1820 accepted as Potamilus leptodon (Rafinesque, 1820)
3. Species Unio (Leptodea) nervosa Rafinesque, 1820 accepted as Megalonaias nervosa (Rafinesque, 1820)
Subgenus Unio (Ligumia) Swainson, 1840 accepted as Ligumia Swainson, 1840 (original rank)
Subgenus Unio (Limnium) [sic] accepted as Unio Philipsson, 1788 (incorrect subsequent spelling of Lymnium; synonym)
1. Species Unio (Limnium) hybrida Bogachev, 1961 † accepted as Unio hybrida Bogachev, 1961 † (subgenus not accepted)
2. Species Unio (Limnium) hueti Bourguignat, 1855 represented as Unio hueti Bourguignat, 1855
Subgenus Unio (Limnoscapha) Lindholm, 1932 † accepted as Limnoscapha Lindholm, 1932 † (unaccepted > superseded rank)
1. Species Unio (Limnoscapha) kidurmensis Bogachev, 1936 † (uncertain > taxon inquirendum)
Subgenus Unio (Loxopleurus) Meek, 1871 † accepted as Protamblema Modell, 1957 † (unaccepted > junior homonym, junior homonym of Loxopleurus Suffrian, 1859 [Coleoptera]; Protamblema is a replacement name)
Subgenus Unio (Lymnium) Moquin-Tandon, 1856 accepted as Unio Philipsson, 1788
1. Species Unio (Lymnium) foucauldiana Pallary, 1936 accepted as Unio foucauldianus Pallary, 1936 (original combination)
Subgenus Unio (Megadomus) Swainson, 1840 accepted as Lasmigona Rafinesque, 1831
Subgenus Unio (Metaptera) Rafinesque, 1820 accepted as Potamilus Rafinesque, 1818 (a junior synonym)
1. Species Unio (Metaptera) johnstoni E. A. Smith, 1894 accepted as Prisodontopsis aviculaeformis F. R. Woodward, 1991 (unavailable; a junior homonym of Unio johnstoni Etheridge, 1881)
Subgenus Unio (Microdontia) Tapparone Canefri, 1883 accepted as Microdontia Tapparone Canefri, 1883 (original rank)
1. Species Unio (Microdontia) anodontaeformis Tapparone Canefri, 1883 accepted as Microdontia anodontaeformis (Tapparone Canefri, 1883) (basionym)
Subgenus Unio (Micronaias) C. T. Simpson, 1900 accepted as Micronaias C. T. Simpson, 1900 (unaccepted > superseded combination)
1. Species Unio (Micronaias) fallaciosus C. T. Simpson, 1914 accepted as Micronaias fallaciosa (C. T. Simpson, 1914) (unaccepted > superseded combination)
Subgenus Unio (Monocondylaea) A. d'Orbigny, 1835 accepted as Monocondylaea A. d'Orbigny, 1835 (original rank)
1. Species Unio (Monocondylaea) corrientesensis A. d'Orbigny, 1835 accepted as Monocondylaea corrientesensis (A. d'Orbigny, 1835)
2. Species Unio (Monocondylaea) costulata J. Moricand, 1858 accepted as Monocondylaea costulata (J. Moricand, 1858) (basionym)
3. Species Unio (Monocondylaea) fossiculifera A. d'Orbigny, 1835 accepted as Fossula fossiculifera (A. d'Orbigny, 1835) (basionym)
4. Species Unio (Monocondylaea) franciscana Moricand, 1836 accepted as Monocondylaea franciscana (Moricand, 1836) (basionym)
5. Species Unio (Monocondylaea) guarayana A. d'Orbigny, 1835 accepted as Monocondylaea guarayana (A. d'Orbigny, 1835) (basionym)
6. Species Unio (Monocondylaea) minuana A. d'Orbigny, 1835 accepted as Monocondylaea minuana (A. d'Orbigny, 1835) (basionym)
7. Species Unio (Monocondylaea) paraguayana A. d'Orbigny, 1835 accepted as Monocondylaea paraguayana (A. d'Orbigny, 1835) (basionym)
8. Species Unio (Monocondylaea) parchappii A. d'Orbigny, 1835 accepted as Monocondylaea parchappii (A. d'Orbigny, 1835) (basionym)
9. Species Unio (Monocondylaea) reticulata J. Moricand, 1858 accepted as Monocondylaea jaspidea (Hupé, 1857) (junior synonym)
Subgenus Unio (Nemrodia) Pallary, 1939 accepted as Nemrodia Pallary, 1939 accepted as Unio (Eolymnium) Prashad, 1919 accepted as Unio Philipsson, 1788 (original rank)
1. Species Unio (Nemrodia) bachtynicus Gozhik & Prisyazhnyuk, 1971 † accepted as Unio bachtynicus Gozhik & Prisyazhnyuk, 1971 † (subgenus not accepted)
2. Species Unio (Nemrodia) moldavicus (Stefanescu, 1896) † accepted as Unio moldavicus (Stefanescu, 1896) † (subgenus is an unavailable name)
Subgenus Unio (Nephronaias) Crosse & P. Fischer, 1894 accepted as Nephronaias Crosse & P. Fischer, 1894 (original rank)
1. Species Unio (Nephronaias) ortmanni Frierson, 1913 accepted as Nephronaias sphenorhyncha (Crosse & P. Fischer, 1894) (junior synonym)
Subgenus Unio (Niaea) F. Sandberger, 1875 † (unaccepted > nomen nudum)
Subgenus Unio (Nippononaia) K. Suzuki, 1941 † accepted as Nippononaia K. Suzuki, 1941 † (unaccepted > superseded rank)
1. Species Unio (Nippononaia) ryosekiana K. Suzuki, 1941 † accepted as Nippononaia ryosekiana (K. Suzuki, 1941) † (unaccepted > superseded combination)
Subgenus Unio (Nodularia) Conrad, 1853 accepted as Nodularia Conrad, 1853 (original rank)
1. Species Unio (Nodularia) aequatoria Morelet, 1885 accepted as Coelatura aegyptiaca (Cailliaud, 1823)
2. Species Unio (Nodularia) bangoranensis Germain, 1907 accepted as Coelatura aegyptiaca (Cailliaud, 1823)
3. Species Unio (Nodularia) caesariana Preston, 1913 accepted as Coelatura hypsiprymna (E. von Martens, 1897) (a junior synonym)
4. Species Unio (Nodularia) chivoti Germain, 1907 accepted as Coelatura aegyptiaca (Cailliaud, 1823)
5. Species Unio (Nodularia) continentalis (F. Haas, 1910) accepted as Inversidens pantoensis (Neumayr, 1899) (unaccepted > junior subjective synonym)
6. Species Unio (Nodularia) dautzenbergi Morlet, 1889 accepted as Contradens contradens (I. Lea, 1838) accepted as Lens contradens (I. Lea, 1838) (a junior synonym)
7. Species Unio (Nodularia) douglasiae J. E. Gray, 1833 accepted as Nodularia douglasiae (J. E. Gray, 1833) (unaccepted > superseded combination)
8. Species Unio (Nodularia) erlangeri Kobelt, 1910 accepted as Unio dembeae Reeve, 1865 (junior synonym)
9. Species Unio (Nodularia) firmusoides Martinson, 1951 † accepted as Nodularia firmusoides (Martinson, 1951) † (unaccepted > superseded combination)
10. Species Unio (Nodularia) gaillardi Germain, 1910 accepted as Elliptio jayensis (I. Lea, 1838)
11. Species Unio (Nodularia) geayi Germain, 1911 accepted as Germainaia geayi (Germain, 1911) (basionym)
12. Species Unio (Nodularia) gracillimus H. Rolle, 1904 accepted as Lanceolaria grayii (J. E. Gray, 1833) (junior synonym)
13. Species Unio (Nodularia) koehleri Germain, 1910 accepted as Coelatura aegyptiaca (Cailliaud, 1823)
14. Species Unio (Nodularia) lacoini Germain, 1907 accepted as Coelatura aegyptiaca (Cailliaud, 1823)
15. Species Unio (Nodularia) luapulaensis Preston, 1913 accepted as Coelatura luapulaensis (Preston, 1913) (original combination)
16. Species Unio (Nodularia) nguigmiensis Germain, 1910 accepted as Coelatura aegyptiaca (Cailliaud, 1823)
17. Species Unio (Nodularia) nyassanus accepted as Nyassunio nyassaensis (I. Lea, 1864) (misspelling)
18. Species Unio (Nodularia) putzeysi Preston, 1912 accepted as Coelatura gabonensis (Küster, 1862) (junior synonym)
19. Species Unio (Nodularia) scobinatus I. Lea, 1856 accepted as Scabies scobinatus (I. Lea, 1856) (a junior synonym)
20. Species Unio (Nodularia) subdactylinus Martinson, 1951 † accepted as Nodularia subdactylina (Martinson, 1951) † (unaccepted > superseded combination)
21. Species Unio (Nodularia) subnigra Preston, 1909 accepted as Coelatura gabonensis (Küster, 1862)
Subgenus Unio (Obovaria) Rafinesque, 1819 accepted as Obovaria Rafinesque, 1819
1. Species Unio (Obovaria) jacksonianus Frierson, 1912 accepted as Obovaria jacksoniana (Frierson, 1912) accepted as Obovaria arkansasensis (I. Lea, 1862) (original combination)
2. Species Unio (Obovaria) munieri Stefanescu, 1896 † accepted as Psilunio (Cyclopotomida) munieri (Stefanescu, 1896) † represented as Psilunio munieri (Stefanescu, 1896) † (unaccepted > superseded combination)
Subgenus Unio (Pachynaias) Crosse & P. Fischer, 1894 accepted as Pachynaias Crosse & P. Fischer, 1894 (original rank)
Subgenus Unio (Palaeunio) Q.-H. Ma, 1999 † accepted as Eocuneopsis F.-X. Guo, 1988 † (unaccepted > junior subjective synonym)
1. Species Unio (Palaeunio) guangyuanensis Q.-H. Ma, 1984 † accepted as Eocuneopsis guangyuanensis (Q.-H. Ma, 1984) † (unaccepted > superseded combination)
2. Species Unio (Palaeunio) sichuanensis Q.-H. Ma, 1999 † accepted as Eocuneopsis sichuanensis (Q.-H. Ma, 1999) † (unaccepted > superseded combination)
Subgenus Unio (Parreysia) Conrad, 1853 accepted as Parreysia Conrad, 1853 (original combination)
1. Species Unio (Parreysia) alluaudi Dautzenberg, 1908 accepted as Coelatura alluaudi (Dautzenberg, 1908) (original combination)
Subgenus Unio (Pleurobema) Rafinesque, 1819 accepted as Pleurobema Rafinesque, 1819 (original rank)
1. Species Unio (Pleurobema) alixus Dall, 1913 † accepted as Pleurobema alixus (Dall, 1913) † (unaccepted > superseded combination)
2. Species Unio (Pleurobema) hagleri Frierson, 1900 accepted as Pleurobema rubellum (Conrad, 1834) (junior synonym)
Subgenus Unio (Pseudosturia) Chepalyga, 1965 † accepted as Pseudosturia Chepalyga, 1965 † (unaccepted > superseded rank)
1. Species Unio (Pseudosturia) brusinaeformis [sic] † accepted as Pseudosturia brusinaiformis (Modell, 1950) † (unaccepted > misspelling - incorrect subsequent spelling)
Subgenus Unio (Psilunio) Stefanescu, 1896 † accepted as Psilunio Stefanescu, 1896 † (unaccepted > superseded rank)
1. Species Unio (Psilunio) alutae Jekelius, 1932 † accepted as Potomida alutae (Jekelius, 1932) † (unaccepted > superseded combination)
2. Species Unio (Psilunio) barzaviae Jekelius, 1932 † accepted as Unio barzaviae Jekelius, 1932 † (superseded subgeneric combination)
3. Species Unio (Psilunio) istanbulensis Gillet, 1939 † accepted as Psilunio istanbulensis (Gillet, 1939) † (unaccepted > superseded combination)
4. Species Unio (Psilunio) carenautus Erentöz, 1956 † (uncertain)
Subgenus Unio (Psoronaias) Crosse & P. Fischer, 1894 accepted as Psoronaias Crosse & P. Fischer, 1894 (original rank)
Subgenus Unio (Quadrula) Rafinesque, 1820 accepted as Quadrula Rafinesque, 1820
1. Species Unio (Quadrula) blaisei Dautzenberg & Fischer, 1905 accepted as Lamprotula blaisei (Dautzenberg & H. Fischer, 1905) (basionym)
2. Species Unio (Quadrula) mansuyi Dautzenberg & H. Fischer, 1908 accepted as Gibbosula crassa (W. Wood, 1815)
3. Species Unio (Quadrula) nieuwenhuisi Schepman, 1898 accepted as Schepmania nieuwenhuisi (Schepman, 1898) (unaccepted > superseded combination)
Subgenus Unio (Rhipidodonta) Mörch, 1853 accepted as Rhipidodonta Mörch, 1853 (original rank)
Subgenus Unio (Rotundaria) Rafinesque, 1820 accepted as Obovaria Rafinesque, 1819
1. Species Unio (Rotundaria) lenticularis Stefanescu, 1896 † accepted as Rugunio lenticularis (Stefanescu, 1896) † (unaccepted > superseded combination)
Subgenus Unio (Rumanunio) Starobogatov, 1970 † accepted as Rumanunio Starobogatov, 1970 † (unaccepted > superseded rank)
1. Species Unio (Rumanunio) falconensis Papaianopol, 1987 † accepted as Rumanunio falconensis (Papaianopol, 1987) † (unaccepted > superseded combination)
2. Species Unio (Rumanunio) oltenensis Pavnotescu, 1984 † accepted as Rumanunio oltenensis (Pavnotescu, 1984) † (unaccepted > superseded combination)
3. Species Unio (Rumanunio) portaferricus (Andreescu, 1978) † accepted as Rumanunio portaferricus Andreescu, 1978 † (unaccepted > superseded combination)
4. Species Unio (Rumanunio) rumanus Tournouër, 1879 † accepted as Rumanunio rumanus (Tournouër, 1879) † (unaccepted > superseded combination)
Subgenus Unio (Rytia) Stefanescu, 1896 † accepted as Potomida Swainson, 1840 (unaccepted > junior subjective synonym)
1. Species Unio (Rytia) brandzae Stefanescu, 1896 † accepted as Potomida brandzae (Stefanescu, 1896) † (unaccepted > superseded combination)
Subgenus Unio (Sayunio) De Gregorio, 1914 accepted as Hemistena Rafinesque, 1820
1. Species Unio (Sayunio) dehiscens Say, 1829 accepted as Hemistena lata (Rafinesque, 1820)
Subgenus Unio (Sculptunio) Lindholm, 1932 † accepted as Sculptunio Lindholm, 1932 † (unaccepted > superseded rank)
1. Species Unio (Sculptunio) bituberculosus E. von Martens, 1874 † accepted as Sculptunio bituberculosus (E. von Martens, 1874) † (unaccepted > superseded combination)
Subgenus Unio (Simonaias) Crosse & P. Fischer, 1894 accepted as Nephronaias Crosse & P. Fischer, 1894 (a junior synonym)
1. Species Unio (Simonaias) championi E. von Martens, 1900 accepted as Nephronaias championi (E. von Martens, 1900) (unaccepted > superseded combination)
Subgenus Unio (Sphenonaias) Crosse & P. Fischer, 1894 accepted as Sphenonaias Crosse & P. Fischer, 1894 (Original rank)
1. Species Unio (Sphenonaias) acutirostris E. von Martens, 1900 accepted as Nephronaias sphenorhyncha (Crosse & P. Fischer, 1894) (junior synonym)
2. Species Unio (Sphenonaias) sphenorhynchus Crosse & P. Fischer, 1894 accepted as Nephronaias sphenorhyncha (Crosse & P. Fischer, 1894) (unaccepted combination)
3. Species Unio (Sphenonaias) tehuantepecensis Crosse & P. Fischer, 1894 accepted as Popenaias tehuantepecensis (Crosse & P. Fischer, 1894)
Subgenus Unio (Subreniformiana) Fagot, 1893 (unaccepted > nomen nudum, a junior synonym)
Subgenus Unio (Symphynota) I. Lea, 1829 accepted as Potamilus Rafinesque, 1818
1. Species Unio (Symphynota) alatus Say, 1817 accepted as Potamilus alatus (Say, 1817)
2. Species Unio (Symphynota) tenuissima (I. Lea, 1829) accepted as Leptodea leptodon (Rafinesque, 1820) accepted as Potamilus leptodon (Rafinesque, 1820) (recombination)
Subgenus Unio (Theliderma) Swainson, 1840 accepted as Theliderma Swainson, 1840 (original rank)
1. Species Unio (Theliderma) divergens W. H. Benson, 1842 accepted as Lamprotula divergens (W. H. Benson, 1842) (unaccepted > superseded combination)
Subgenus Unio (Toxolasma) Rafinesque, 1831 accepted as Toxolasma Rafinesque, 1831 (original rank)
1. Species Unio (Toxolasma) lividus Rafinesque, 1831 accepted as Toxolasma lividum Rafinesque, 1831
Subgenus Unio (Truncilla) Rafinesque, 1819 accepted as Truncilla Rafinesque, 1819 (original rank)
Subgenus Unio (Tuberunio) Lindholm, 1932 † accepted as Tuberunio Lindholm, 1932 † (unaccepted > superseded rank)
1. Species Unio (Tuberunio) uniserialis Lindholm, 1932 † accepted as Tuberunio uniserialis (Lindholm, 1932) † (unaccepted > superseded combination)
Subgenus Unio (Tumidunio) Jatsko, 1972 accepted as Unio Philipsson, 1788
Subgenus Unio (Tumidusiana) Locard, 1889 accepted as Unio Philipsson, 1788
1. Species Unio (Tumidusiana) ingulenzis Gozhik, 1978 † accepted as Unio ingulenzis Gozhik, 1978 † (subgenus not accepted)
2. Species Unio (Tumidusiana) savroni Gozhik, 2006 † accepted as Unio savroni Gozhik, 2006 † (unaccepted > superseded combination, subgenus is a junior synonym)
3. Species Unio (Tumidusiana) sophievkaensis Gozhik, 1978 † accepted as Unio sophievkaensis Gozhik, 1978 † (subgenus not accepted)
4. Species Unio (Tumidusiana) tumidus Philipsson, 1788 accepted as Unio tumidus Philipsson, 1788
Subgenus Unio (Unio) Philipsson, 1788 accepted as Unio Philipsson, 1788
1. Species Unio (Unio) bacuerleini [sic] † accepted as Unio baeuerleini Modell, 1931 † (unaccepted > misspelling - incorrect subsequent spelling)
2. Species Unio (Unio) blumrichi Modell, 1940 † accepted as Unio blumrichi Modell, 1940 † (unaccepted > superseded combination)
3. Species Unio (Unio) conus Spengler, 1793 accepted as Unio conus Spengler, 1793 accepted as Unio tumidus Philipsson, 1788
4. Species Unio (Unio) kalmykorum Bogachev, 1924 accepted as Unio pictorum (Linnaeus, 1758) (junior subjective synonym)
5. Species Unio (Unio) limosus Nilsson, 1822 accepted as Unio pictorum (Linnaeus, 1758) (a junior synonym)
6. Species Unio (Unio) muelleri Rossmässler, 1838 accepted as Unio tumidus Philipsson, 1788 (a junior synonym)
7. Species Unio (Unio) pictorum (Linnaeus, 1758) accepted as Unio pictorum (Linnaeus, 1758)
8. Species Unio (Unio) protractus Lindholm, 1932 accepted as Unio pictorum (Linnaeus, 1758) (junior subjective synonym)
9. Species Unio (Unio) rostrata Lamarck, 1819 accepted as Unio pictorum (Linnaeus, 1758) (a junior synonym)
10. Species Unio (Unio) tumidus Philipsson, 1788 accepted as Unio tumidus Philipsson, 1788
11. Species Unio (Unio) caloosaensis Dall, 1898 † represented as Unio caloosaensis Dall, 1898 †
12. Species Unio (Unio) hybrida Bogachev, 1961 represented as Unio hybrida Bogachev, 1961 †
13. Species Unio (Unio) moskoni Papaianopol, 1989 † represented as Unio moskoni Papaianopol, 1989 †
14. Species Unio (Unio) musius Dall, 1913 † represented as Unio musius Dall, 1913 †
Subgenus Unio (Uniomerus) Conrad, 1853 accepted as Uniomerus Conrad, 1853 (original rank)
1. Species Unio (Uniomerus) bisselianus I. Lea, 1867 accepted as Uniomerus carolinianus (Bosc, 1801)
2. Species Unio (Uniomerus) bissellianus I. Lea, 1867 accepted as Uniomerus carolinianus (Bosc, 1801) (incorrect subsequent spelling)
3. Species Unio (Uniomerus) columbensis I. Lea, 1857 accepted as Uniomerus columbensis (I. Lea, 1857)
4. Species Unio (Uniomerus) obesus I. Lea, 1831 accepted as Uniomerus carolinianus (Bosc, 1801)
5. Species Unio (Uniomerus) subluridus C. T. Simpson, 1892 accepted as Elliptio jayensis (I. Lea, 1838) (unaccepted > junior subjective synonym)
6. Species Unio (Uniomerus) tetralasmus Say, 1831 accepted as Uniomerus tetralasmus (Say, 1831)
Subgenus Unio (Wenziella) Modell, 1958 † accepted as Potomida Swainson, 1840 (unaccepted > junior subjective synonym)
1. Species Unio (Wenziella) stachei Neumayr, 1875 † accepted as Potomida stachei (Neumayr, 1875) † (unaccepted > superseded combination)
Species Unio abacoides Haldeman, 1846 accepted as Dromus dromas (I. Lea, 1834)
Species Unio abacus Haldeman, 1842 accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
Species Unio abbevillensis I. Lea, 1857 accepted as Elliptio complanata ([Lightfoot], 1786)
Species Unio abbreviatus Westerlund, 1897 accepted as Nodularia douglasiae (J. E. Gray, 1833) (invalid: junior homonym of Unio abbreviatus de Joannis, 1859)
Species Unio aberrans I. Lea, 1863 accepted as Elliptio complanata ([Lightfoot], 1786)
Species Unio aberti Conrad, 1850 accepted as Cyprogenia aberti (Conrad, 1850)
Species Unio ablatus I. Lea, 1863 accepted as Elliptio icterina (Conrad, 1834) (original combination, synonym)
Species Unio abnormis Morelet, 1862 accepted as Physunio superbus (I. Lea, 1843) (junior synonym)
Species Unio abruptus Say, 1831 accepted as Lampsilis abrupta (Say, 1831)
Species Unio abrus Kobelt, 1913 accepted as Potomida semirugata (Lamarck, 1819) (junior synonym)
Species Unio accultus [sic] accepted as Elliptio occulta (I. Lea, 1843) (unaccepted > misspelling - incorrect subsequent spelling)
Species Unio acrorrhynchus E. von Martens, 1894 accepted as Lanceolaria acrorrhyncha (E. von Martens, 1894) (unaccepted > superseded combination)
Species Unio acuens I. Lea, 1871 accepted as Pleurobema oviforme (Conrad, 1834)
Species Unio acuminatus H. Adams, 1866 accepted as Nitia acuminata (H. Adams, 1866) (original combination)
Species Unio acutirostris I. Lea, 1866 accepted as Diplodon parallelopipedon (I. Lea, 1834)
Species Unio acutissimus I. Lea, 1831 accepted as Medionidus acutissimus (I. Lea, 1831) (original combination)
Species Unio acutus J. Sowerby, 1813 † accepted as Carbonicola acuta (J. Sowerby, 1813) † (unaccepted > superseded combination)
Species Unio acutus Cobălcescu, 1883 † accepted as Jazkoa sturzae (Cobălcescu, 1883) † (subjective synonym)
Species Unio aegyptiacus Cailliaud, 1823 accepted as Coelatura aegyptiaca (Cailliaud, 1823) (original combination)
Species Unio aeneus Jickeli, 1874 accepted as Unio dembeae Reeve, 1865 (junior synonym)
Species Unio aequatorius Morelet, 1885 accepted as Coelatura gabonensis (Küster, 1862) (unaccepted > junior subjective synonym)
Species Unio aequatus I. Lea, 1857 accepted as Elliptio icterina (Conrad, 1834)
Species Unio aeruginosus Morelet, 1849 accepted as Nephronaias aeruginosa (Morelet, 1849) (unaccepted > superseded combination)
Species Unio aesopiformis Whitfield, 1903 † accepted as Plethobasus aesopiformis (Whitfield, 1903) † (unaccepted > superseded combination)
Species Unio aesopus Green, 1827 accepted as Plethobasus cyphyus (Rafinesque, 1820) (unaccepted > junior subjective synonym)
Species Unio aethiops I. Lea, 1860 accepted as Diplodon aethiops (I. Lea, 1860) (basionym)
Species Unio aferula I. Lea, 1864 accepted as Nyassunio nyassaensis (I. Lea, 1864)
Species Unio affinis I. Lea, 1852 accepted as Lampsilis straminea (Conrad, 1834)
Species Unio affinis Heude, 1875 accepted as Unio polystictus Heude, 1877 accepted as Gibbosula polysticta (Heude, 1877) (invalid: junior homonym of Unio affinis I. Lea, 1852; U. polystictus is a replacement name)
Species Unio affuvelensis "Matheron" † (unaccepted > nomen nudum)
Species Unio africanus I. Lea, 1856 accepted as Unio caffer Krauss, 1848 (junior synonym)
Species Unio agrestis (T. Brown, 1843) † accepted as Carbonicola acuta (J. Sowerby, 1813) † (unaccepted > junior subjective synonym)
Species Unio aheneus I. Lea, 1843 accepted as Elliptio ahenea (I. Lea, 1843) (original combination)
Species Unio ailikehuensis J.-M. Wei, 1984 † accepted as Unio grabaui Martinson, 1956 † (unaccepted > junior subjective synonym)
Species Unio alabamensis Conrad, 1834 accepted as Potamilus inflatus (I. Lea, 1831)
Species Unio alatoides I. Lea, 1868 † accepted as Potamilus alatus (Say, 1817) (unaccepted > junior subjective synonym)
Species Unio alatus Say, 1817 accepted as Potamilus alatus (Say, 1817)
Species Unio albertensis Whiteaves, 1885 † accepted as Elliptio albertensis (Whiteaves, 1885) † (unaccepted > superseded combination)
Species Unio alcobacensis Choffat, 1885 † accepted as Lamellidens alcobacensis (Choffat, 1885) † (unaccepted > superseded combination)
Species Unio aldamii (T. Brown, 1843) † accepted as Carbonicola aldamii (T. Brown, 1843) † (unaccepted > superseded combination)
Species Unio aldrichi C. A. White, 1878 † accepted as Rhabdotophorus aldrichi (C. A. White, 1878) † (unaccepted > superseded combination)
Species Unio alexandri Kobelt & Rolle, 1895 accepted as Unio delicatus I. Lea, 1863 (junior synonym)
Species Unio alexeevi Mangikian, 1929 † accepted as Unio (Unio) pictorum alexeevi Mangikian, 1929 † represented as Unio pictorum alexeevi Mangikian, 1929 † (unaccepted > superseded rank)
Species Unio alexejevi [sic] † accepted as Unio (Unio) pictorum alexeevi Mangikian, 1929 † represented as Unio pictorum alexeevi Mangikian, 1929 † (unaccepted > misspelling - incorrect subsequent spelling)
Species Unio alfierianus Bourguignat, 1885 accepted as Unio dembeae Reeve, 1865 (junior synonym)
Species Unio alienigenus Crosse & P. Fischer, 1893 accepted as Cyrtonaias umbrosa (I. Lea, 1856)
Species Unio alixus Dall, 1913 † accepted as Pleurobema alixus (Dall, 1913) † (unaccepted > superseded combination)
Species Unio altecarinatus Penecke, 1883 † accepted as Psilunio altecarinatus (Penecke, 1883) † (unaccepted > superseded combination)
Species Unio altilis Conrad, 1834 accepted as Hamiota altilis (Conrad, 1834)
Species Unio altus Conrad, 1854 accepted as Pleurobema altum (Conrad, 1854)
Species Unio amabilis I. Lea, 1865 accepted as Pleurobema pyriforme (I. Lea, 1857)
Species Unio amarillensis Stanton, 1916 † accepted as Fusconaia amarillensis (Stanton, 1916) † (unaccepted > superseded combination)
Species Unio amazonensis I. Lea, 1860 accepted as Anodontites trigonus (Spix, 1827) accepted as Anodontites trigona (Spix, 1827)
Species Unio ambifarius E. von Martens, 1897 accepted as Coelatura ratidota (Charmes, 1885) (unaccepted > junior subjective synonym)
Species Unio ambiguus R. A. Philippi, 1847 accepted as Velesunio ambiguus (R. A. Philippi, 1847) (unaccepted > superseded combination)
Species Unio amitinus Bogachev † accepted as Jazkoa sturzae (Cobălcescu, 1883) † (unaccepted > junior subjective synonym)
Species Unio amoenus I. Lea, 1840 accepted as Villosa iris (I. Lea, 1829) accepted as Cambarunio iris (I. Lea, 1829) (synonym)
Species Unio amplus I. Lea, 1872 accepted as Elliptio complanata ([Lightfoot], 1786)
Species Unio ampullaceus I. Lea, 1866 accepted as Diplodon uruguayensis (I. Lea, 1860) (a junior synonym)
Species Unio amygdalum I. Lea, 1843 accepted as Villosa amygdalum (I. Lea, 1843) (original combination)
Species Unio anaticulus I. Lea, 1861 accepted as Pleurobema decisum (I. Lea, 1831)
Species Unio anceps Deshayes, 1876 accepted as Scabies anceps (Deshayes, 1876) (original combination)
Species Unio anceyi Kobelt, 1912 accepted as Unio delicatus I. Lea, 1863 (junior synonym)
Species Unio ancyrensis Kobelt, 1912 accepted as Unio bruguierianus Bourguignat, 1853 (junior synonym)
Species Unio andersonensis I. Lea, 1872 accepted as Fusconaia cor (Conrad, 1834)
Species Unio andersoniana G. Nevill, 1877 accepted as Indonaia andersoniana (G. Nevill, 1877) (original combination)
Species Unio andrussovi "G. I. Popov, 1965" † accepted as Betekeia andrussovi "(G. I. Popov, 1965)" † (unaccepted > superseded combination)
Species Unio anemprosthus Locard, 1883 accepted as Unio delicatus I. Lea, 1863 (junior synonym)
Species Unio angasi G. B. Sowerby II, 1867 accepted as Velesunio angasi (G. B. Sowerby II, 1867) (original combination)
Species Unio angoniensis Preston, 1910 accepted as Coelatura hypsiprymna (E. von Martens, 1897) (junior synonym)
Species Unio angustatus I. Lea, 1831 accepted as Elliptio angustata (I. Lea, 1831) (original combination)
Species Unio annulatus Kobelt, 1911 accepted as Unio pictorum (Linnaeus, 1758) (a junior synonym)
Species Unio anodontoides I. Lea, 1831 accepted as Lampsilis teres (Rafinesque, 1820)
Species Unio anodontoides Noulet, 1846 † accepted as Hyriopsis hannae Modell, 1941 †
Species Unio ansticei J. De C. Sowerby, 1840 † accepted as Gilbertsonia ansticei (J. De C. Sowerby, 1840) † (unaccepted > superseded combination)
Species Unio anthonyi I. Lea, 1861 accepted as Elliptio monroensis (I. Lea, 1843)
Species Unio antiochianus Locard, 1883 accepted as Unio delicatus I. Lea, 1863 (junior synonym)
Species Unio antiqua (T. Kobayashi & K. Suzuki, 1937) † accepted as Unio antiquus (T. Kobayashi & K. Suzuki, 1937) † (unaccepted > incorrect grammatical agreement of specific epithet)
Species Unio apicinus I. Lea, 1857 accepted as Villosa lienosa (Conrad, 1834) accepted as Leaunio lienosus lienosus (Conrad, 1834) (synonym)
Species Unio apiculatus Say, 1829 accepted as Quadrula apiculata (Say, 1829) accepted as Quadrula quadrula (Rafinesque, 1820)
Species Unio appressus I. Lea, 1871 accepted as Fusconaia cuneolus (I. Lea, 1840)
Species Unio apprimus I. Lea, 1866 accepted as Diplodon uruguayensis (I. Lea, 1860)
Species Unio approximus I. Lea, 1845 accepted as Lampsilis hydiana (I. Lea, 1838)
Species Unio aquilinus J. De C. Sowerby, 1840 † accepted as Carbonicola aquilina (J. De C. Sowerby, 1840) † (unaccepted > superseded combination)
Species Unio aquilus I. Lea, 1857 accepted as Elliptio pullata (I. Lea, 1857)
Species Unio aratus I. Lea, 1843 accepted as Micronaias arata (I. Lea, 1843) (original combination)
Species Unio aratus Conrad, 1849 accepted as Unio plectophorus Conrad, 1849 accepted as Elliptoideus sloatianus (I. Lea, 1840) (unaccepted > junior homonym, of Unio aratus I. Lea, 1843, U. plectophorus Conrad, 1849 is replacement name)
Species Unio araucanus R. A. Philippi, 1847 accepted as Diplodon chilensis (J. E. Gray, 1828) (unaccepted > junior subjective synonym)
Species Unio araxenus Drouët, 1881 accepted as Unio bruguierianus Bourguignat, 1853 (junior synonym)
Species Unio arcaeformis I. Lea, 1831 accepted as Epioblasma arcaeformis (I. Lea, 1831) (original combination)
Species Unio arctatus Conrad, 1834 accepted as Elliptio arctata (Conrad, 1834)
Species Unio arctior I. Lea, 1838 accepted as Eurynia dilatata (Rafinesque, 1820)
Species Unio arcus Conrad, 1834 accepted as Elliptio arca (Conrad, 1834) (basionym)
Species Unio argenteus I. Lea, 1841 accepted as Pleurobema oviforme (Conrad, 1834)
Species Unio arizonensis J. Henderson, 1934 † accepted as Plesielliptio arizonensis (J. Henderson, 1934) † (unaccepted > superseded combination)
Species Unio arkansasensis I. Lea, 1862 accepted as Obovaria arkansasensis (I. Lea, 1862)
Species Unio armeniacus Kobelt, 1911 accepted as Unio bruguierianus Bourguignat, 1853 (a junior synonym)
Species Unio arquatus Conrad, 1854 accepted as Ligumia recta (Lamarck, 1819)
Species Unio ascanius Kobelt, 1912 accepted as Unio pictorum (Linnaeus, 1758) (junior synonym)
Species Unio ascia Hanley, 1856 (unaccepted, junior synonym)
Species Unio askewi W. A. Marsh, 1896 (unaccepted, original combination)
Species Unio asper I. Lea, 1831 (unaccepted)
Species Unio asperatus I. Lea, 1861 (unaccepted)
Species Unio asperrimus I. Lea, 1831 (unaccepted)
Species Unio asperulus I. Lea, 1866 (unaccepted, junior synonym)
Species Unio ater I. Lea, 1829 (unaccepted)
Species Unio ater Nilsson, 1823 (unaccepted)
Species Unio athesinus Adami, 1886 (unaccepted)
Species Unio athleta Lindholm, 1932 † (unaccepted > superseded combination)
Species Unio atrata Swainson, 1823 (unaccepted)
Species Unio atratus [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
Species Unio atrocostatus I. Lea, 1845 (unaccepted > junior subjective synonym)
Species Unio atromarginatus I. Lea, 1840 (unaccepted)
Species Unio attenuatus I. Lea, 1872 (unaccepted)
Species Unio attiai L. R. Cox, 1955 † (unaccepted > superseded combination)
Species Unio atticus Gaudry & P. Fischer, 1867 † (unaccepted > superseded combination)
Species Unio aucklandicus J. E. Gray, 1843 (unaccepted, superseded combination)
Species Unio aureus I. Lea, 1859 (unaccepted)
Species Unio auricularius Spengler, 1793 (unaccepted, original combination)
Species Unio auroreus Heude, 1883 (unaccepted, original combination)
Species Unio australis Lamarck, 1819 (unaccepted, original combination)
Species Unio averellii B. H. Wright, 1888 (unaccepted, synonym)
Species Unio averyi I. Lea, 1859 (unaccepted)
Species Unio axiacus Locard, 1883 (unaccepted, junior synonym)
Species Unio aztecorum R. A. Philippi, 1847 (unaccepted > superseded combination)
Species Unio babensis Kobelt, 1913 (unaccepted, junior synonym)
Species Unio baeticus Kobelt, 1888 (unaccepted, junior synonym)
Species Unio bagdadensis Bourguignat, 1852 (unaccepted, a junior synonym)
Species Unio baicalensis Rammelmeyer, 1940 † (unaccepted > superseded combination)
Species Unio bairdianus I. Lea, 1857 (unaccepted)
Species Unio bakeri H. Adams, 1866 (unaccepted, original combination)
Species Unio bakoyi Rochebrune, 1882 (unaccepted)
Species Unio baldwinensis I. Lea, 1859 (unaccepted)
Species Unio balonnensis Conrad, 1850 (unaccepted, junior synonym)
Species Unio baltae Teisseyre, 1911 † (unaccepted > nomen nudum)
Species Unio baltavarensis Halaváts, 1923 † (unaccepted > junior subjective synonym)
Species Unio baotashanensis Q.-H. Ma, 1984 † (unaccepted > junior subjective synonym)
Species Unio barabanovskiensis Lebedev, 1958 † (unaccepted > superseded combination)
Species Unio barabanowskiensis [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
Species Unio barbouri C. A. White, 1895 † (unaccepted > superseded combination)
Species Unio barnesianus I. Lea, 1838 (unaccepted, original combination)
Species Unio barrandei Neumayr, 1875 † (unaccepted > junior subjective synonym)
Species Unio barrattii I. Lea, 1852 (unaccepted)
Species Unio barraudi Bonhomme, 1840 (unaccepted, a junior synonym)
Species Unio barrotti Küster, 1861 (unaccepted)
Species Unio basalis I. Lea, 1872 (unaccepted > junior subjective synonym)
Species Unio batavellus Locard, 1885 (unaccepted, junior synonym)
Species Unio batavus Nilsson, 1822 (unaccepted, a junior synonym)
Species Unio bazini Heude, 1877 (unaccepted, basionym)
Species Unio beadleianus I. Lea, 1861 (unaccepted)
Species Unio bealei I. Lea, 1862 (unaccepted)
Species Unio beaverensis I. Lea, 1868 (unaccepted)
Species Unio bednalli Tate, 1882 (unaccepted, junior synonym)
Species Unio belliplicatus Meek, 1871 † (unaccepted > superseded combination)
Species Unio bellulus I. Lea, 1872 (unaccepted)
Species Unio benacinus Drouët, 1883 (unaccepted)
Species Unio bengalensis I. Lea, 1838 (unaccepted)
Species Unio berlandieri I. Lea, 1857 (unaccepted, incorrect spelling)
Species Unio berlandierii I. Lea, 1857 (unaccepted)
Species Unio beroeus Kobelt, 1913 (unaccepted, junior synonym)
Species Unio bersenevi Popova, 1963 † (unaccepted > superseded combination)
Species Unio berytensis Kobelt & Rolle, 1895 (unaccepted, junior synonym)
Species Unio besckeanus Dunker, 1849 (unaccepted)
Species Unio betekeiensis Lindholm, 1932 † (unaccepted > superseded combination)
Species Unio beyrichi Neumayr, 1875 † (unaccepted > superseded combination)
Species Unio bhamoensis Theobald, 1873 (unaccepted, a junior synonym)
Species Unio biangularis I. Lea, 1840 (unaccepted)
Species Unio biangulatus "I. Lea, 1842" (unaccepted, incorrect subsequent spelling of Unio biangularis I. Lea, 1840)
Species Unio bicaelatus Reeve, 1865 (unaccepted > junior subjective synonym)
Species Unio bielzi Czekelius, 1864 † (unaccepted > superseded combination)
Species Unio bielzii T. Fuchs, 1870 † (unaccepted > junior subjective synonym)
Species Unio biemarginatus I. Lea, 1857 (unaccepted)
Species Unio biesianus Heude, 1877 (unaccepted, original combination)
Species Unio biesopoides Whitfield, 1907 † (unaccepted > superseded combination)
Species Unio bigbyensis I. Lea, 1841 (unaccepted)
Species Unio billottianus Charmes, 1885 (unaccepted > junior subjective synonym)
Species Unio binneyi I. Lea, 1845 (unaccepted, junior synonym)
Species Unio biornatus L. S. Russell, 1932 † (unaccepted > superseded combination)
Species Unio bipennis (T. Brown, 1843) † (unaccepted > superseded combination)
Species Unio biplicatus Bielz, 1864 † (unaccepted > superseded combination)
Species Unio bisselianus I. Lea, 1867 (unaccepted > junior subjective synonym)
Species Unio bithynicus Kobelt, 1893 (unaccepted > junior subjective synonym)
Species Unio bitlisensis Kobelt, 1912 (unaccepted, junior synonym)
Species Unio bittneri Penecke, 1883 † (unaccepted, subjective synonym)
Species Unio bituberculosus E. von Martens, 1874 † (unaccepted > superseded combination)
Species Unio bitumen C. W. Cooke, 1919 † (unaccepted, original combination)
Species Unio biwae Kobelt, 1879 (unaccepted > junior subjective synonym)
Species Unio blanchianus Kobelt, 1913 (unaccepted, junior synonym)
Species Unio blandianus I. Lea, 1857 (unaccepted)
Species Unio blandingianus I. Lea, 1834 (unaccepted > junior subjective synonym)
Species Unio boehmi E. von Martens, 1897 (unaccepted)
Species Unio bogatschevi Grigorovich-Beresovskiy, 1915 † (unaccepted > superseded combination)
Species Unio bollii Call, 1881 (unaccepted > junior subjective synonym)
Species Unio bonneaudii Eydoux, 1838 (unaccepted, basionym)
Species Unio borealis A. F. Gray, 1882 (unaccepted > junior subjective synonym)
Species Unio borellii Ancey, 1894 (unaccepted > junior subjective synonym)
Species Unio borneeensis Issel, 1874 (unaccepted, basionym)
Species Unio bosnensis Möllendorff, 1873 (unaccepted, a junior synonym)
Species Unio bosqui [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
Species Unio bosquiana Matheron, 1843 † (unaccepted > incorrect grammatical agreement of specific epithet)
Species Unio bourguignatianus Adami, 1886 (unaccepted, invalid: junior homonym of Unio bourguignatianus I. Lea, 1863; U. magistri is a replacement name)
Species Unio bourguignatianus I. Lea, 1863 (unaccepted, junior synonym)
Species Unio bournianus I. Lea, 1840 (unaccepted)
Species Unio boydianus I. Lea, 1840 (unaccepted)
Species Unio boykinianus I. Lea, 1840 (unaccepted)
Species Unio brachyopisthus C. A. White, 1876 † (unaccepted > superseded combination)
Species Unio brachyrhynchus Drouët, 1881 (unaccepted)
Species Unio bracteatus A. Gould, 1855 (unaccepted)
Species Unio brandisi Kobelt, 1910 (unaccepted, junior synonym)
Species Unio brandtii Kobelt, 1879 (unaccepted, basionym)
Species Unio branimiri Brusina, 1902 † (unaccepted > junior subjective synonym)
Species Unio brazosensis I. Lea, 1868 (unaccepted)
Species Unio breviculus Call, 1887 (unaccepted)
Species Unio brevidens I. Lea, 1831 (unaccepted, original combination)
Species Unio breviplicatus Noulet, 1864 † (unaccepted)
Species Unio brevirostris Küster, 1854 (unaccepted, junior synonym)
Species Unio brevis I. Lea, 1872 (unaccepted)
Species Unio brianteus Drouët, 1883 (unaccepted)
Species Unio briarti Dautzenberg, 1901 (unaccepted, original combination)
Species Unio bridouxi Bourguignat, 1886 (unaccepted > junior subjective synonym)
Species Unio brimhallensis Stanton, 1916 † (unaccepted > superseded combination)
Species Unio brimleyi S. H. Wright, 1897 (unaccepted > superseded combination)
Species Unio broti Deshayes, 1876 (unaccepted)
Species Unio broti Locard, 1893 † (unaccepted > superseded combination)
Species Unio browni Whitfield, 1903 † (unaccepted > junior homonym, junior homonym of Unio brownii Lea, 1856; Parreysia barnumi is a replacement name)
Species Unio brownianus I. Lea, 1838 (unaccepted > junior subjective synonym)
Species Unio brownii I. Lea, 1856 (unaccepted, junior synonym)
Species Unio brumbyanus "I. Lea, 1842" (unaccepted, incorrect subsequent spelling of Unio brumleyanus I. Lea, 1841)
Species Unio brumleyanus I. Lea, 1841 (unaccepted, original combination, synonym)
Species Unio brunnea Bonhomme, 1840 (unaccepted, a junior synonym)
Species Unio brusinai Penecke, 1883 † (unaccepted > junior subjective synonym)
Species Unio brusinaiformis Modell, 1950 † (unaccepted > superseded combination)
Species Unio buckleyi I. Lea, 1843 (unaccepted, junior synonym)
Species Unio buddianus I. Lea, 1843 (unaccepted)
Species Unio bugasicus Bogachev, 1961 † (unaccepted, subjective synonym)
Species Unio bulbosus I. Lea, 1857 (unaccepted)
Species Unio bulloides I. Lea, 1859 (unaccepted)
Species Unio burattii Brusina, 1902 † (unaccepted > junior subjective synonym)
Species Unio burckhardti Mayer-Eymar, 1900 † (unaccepted > superseded combination)
Species Unio burjatica C. M. Kolesnikov, 1956 † (unaccepted > incorrect grammatical agreement of specific epithet)
Species Unio burkensis I. Lea, 1859 (unaccepted)
Species Unio burmanus Blanford, 1869 (unaccepted, original combination)
Species Unio burroughianus I. Lea, 1834 (unaccepted, basionym)
Species Unio bursapastoris B. H. Wright, 1896 (unaccepted > junior subjective synonym)
Species Unio burtchianus S. H. Wright, 1897 (unaccepted > junior subjective synonym)
Species Unio burtoni S. P. Woodward, 1859 (unaccepted, original combination)
Species Unio buxeus I. Lea, 1852 (unaccepted)
Species Unio buxtoni B. H. Wright, 1897 (unaccepted)
Species Unio byzantinus Drouët, 1879 (unaccepted, a junior synonym)
Species Unio cacao I. Lea, 1859 (unaccepted)
Species Unio caelatus Conrad, 1834 (unaccepted)
Species Unio caeruleus I. Lea, 1831 (unaccepted > superseded combination)
Species Unio cahabensis I. Lea, 1871 (unaccepted)
Species Unio caipira Ihering, 1893 (unaccepted, basionym)
Species Unio calamitarum Morelet, 1849 (unaccepted > superseded combination)
Species Unio calathus Bourguignat, 1886 (unaccepted, junior synonym)
Species Unio calceolus I. Lea, 1827 (unaccepted)
Species Unio calderoni Kobelt, 1888 (unaccepted, junior synonym)
Species Unio caldwellii I. Lea, 1858 (unaccepted, basionym)
Species Unio caliginosus I. Lea, 1845 (unaccepted > superseded combination)
Species Unio calliopsis Kobelt, 1912 (unaccepted, junior synonym)

Environment

~~marine~~, ~~brackish~~, fresh, ~~terrestrial~~

Fossil range

recent + fossil

Grammatical gender

masculine

Original description

Retzius A.J. (1788). Dissertatio historico-naturalis sistens nova testaceorum genera. Quam præside D. M. Andr. J. Retzio (...) ad publicum examen defert Laurentius Münter Philipsson. 4+23 pp. Lund. , available online at http://gdz.sub.uni-goettingen.de/dms/load/img/?PID=PPN581964985|LOG_0001&physid=PHYS_0004
page(s): 16 [details]

Taxonomic citation

MolluscaBase eds. (2024). MolluscaBase. Unio Philipsson, 1788. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=182707 on 2024-11-24

Taxonomic edit history

Date

action

2005-09-29 07:51:57Z

created

Claus, Simon

2006-09-28 06:51:36Z

changed

Martinez, Olga

2008-08-05 07:36:21Z

checked

Gofas, Serge

2012-07-02 14:26:34Z

changed

Rosenberg, Gary

2016-11-10 16:47:38Z

changed

Bieler, Rüdiger

2017-11-13 22:17:32Z

changed

Bouchet, Philippe

2019-06-20 05:01:28Z

changed

Bouchet, Philippe

2022-02-01 19:12:07Z

changed

Schneider, Simon

Licensing

The webpage text is licensed under a Creative Commons Attribution 4.0 License

[taxonomic tree]

original description Retzius A.J. (1788). Dissertatio historico-naturalis sistens nova testaceorum genera. Quam præside D. M. Andr. J. Retzio (...) ad publicum examen defert Laurentius Münter Philipsson. 4+23 pp. Lund. , available online at http://gdz.sub.uni-goettingen.de/dms/load/img/?PID=PPN581964985|LOG_0001&physid=PHYS_0004
page(s): 16 [details]

original description (of Unis F. W. Hutton, 1883) Hutton, F. W. (1883). Notes on some marine Mollusca. New Zealand Journal of Science (1) 1 (10): 477-478. [details]

original description (of Unio (Crassiana) Servain, 1882) Servain, G. (1882). Histoire des mollusques acéphales des environs de Francfort, 1-68. Poissy (S. Lejay), available online at https://www.biodiversitylibrary.org/page/11116026
page(s): 21, 22 [details]

original description (of Mysca W. Turton, 1822) Turton, W. (1822). Conchylia insularum britannicarum. London: Nattali, and Leicester: Combe. xlvii + 280 pp., 20 pls., available online at https://www.biodiversitylibrary.org/page/10982454#page/9/mode/1up
page(s): xv, 243 [details]

original description (of Unio (Lymnium) Moquin-Tandon, 1856) Moquin-Tandon, A. (1855-1856). Histoire naturelle des mollusques terrestres et fluviatiles de France, Tome premier (1): i-viii, 1-14 + Atlas: 1-16, pl. 1-9 (12 April 1855); (2): 145-256 + Atlas: 17-32, pl. 10-18 (4 May 1855); (3): 257-416 + Atlas: 33-48, pl. 19-27 (1 August 1855). Tome second (4): i-iii, 1-176 + Atlas: 49-64, pl. 28-36 (10 September 1855); (5): 177-368 + Atlas: 65-80, pl. 37-45 (2 January 1856); (6): 369-646 + Atlas: i-iii, 81-92, pl. 46-54 (9 April 1856). Paris (J.-B. Baillière)., available online at https://biodiversitylibrary.org/page/32068638
page(s): 2: 564 [details]

original description (of Pictunio Jatsko, 1972) Jatsko, I.Ya. (1972). Nayady verkhnego kaynozoya yugo-zapada Ukrainy i Moldavii (opisaniye i stratigraficheskiye zametki [Naiads of the Upper Cenozoic in the south-west of Ukraine and Moldova (description and stratigraphic notes)]. Lvov State University, Lvov, 146 pp.
page(s): 11 [details] Available for editors

[request]

original description (of Unio (Bataviana) Servain, 1882) Servain, G. (1882). Histoire des mollusques acéphales des environs de Francfort, 1-68. Poissy (S. Lejay), available online at https://www.biodiversitylibrary.org/page/11116026
page(s): 21, 23 [details]

original description (of Unio (Batavusiana) Bourguignat, 1889) Locard, A. (1889). Contributions à la faune malacologique française [XIII]. Catalogue des espèces françaises appartenant aux genresMargaritana et Unio connues jusqu'à ce jour. Annales de la Société Linnéenne de Lyon, nouvelle série. 35: 111-269., available online at https://www.biodiversitylibrary.org/page/54576293
page(s): 141 [details]

original description (of Crassunio Modell, 1964) Modell, H. (1964). Das natürliche System der Najaden, 3. Archiv für Molluskenkunde. 93(3–4): 71–126. Frankfurt am Main [20 July].
page(s): 118 [details] Available for editors

[request]

original description (of Unio (Eolymnium) Prashad, 1919) Prashad, B. (1919). On the generic position of some Asiatic Unionidae. Records of the Indian Museum, 16 (6): 403-411. Calcutta [18 October].
page(s): 410 [details]

original description (of Unio (Nemrodia) Pallary, 1939) Pallary, P. (1939). Deuxième addition à la faune malacologique de la Syrie. Mémoires présentés a l'Institut d'Égypte, 39: 1-141, pl. 1-7. Le Caire.
page(s): 116 [details] Available for editors

[request]

original description (of Eolymnium (Shadininaia) Starobogatov, 1983) Zatravkin, M. N. (1983). Unionidae in the fauna of the USSR and their role as intermediate hosts of Trematoda and as eliminators of cercariae. [in] I.M. Likharev, ed. Molluscs. Their Systematics, Ecology and Distribution. 40-44
page(s): 40 [details] Available for editors

[request]

original description (of Ningxiaconcha Q.-H. Ma, 1991 †) Ma, Q.-H. (1991). Some Early Cretaceous unionids from Ningxia and Inner Mongolia. Acta Palaeontologica Sinica. 30(6): 705-713.
page(s): 707, 712 [details] Available for editors

[request]

original description (of Nodularia (Cafferia) C. T. Simpson, 1900) Simpson, C. T. (1900). Synopsis of the naiades, or pearly fresh-water mussels. Proceedings of the United States National Museum. 22(1205): 501-1044, plate 18., available online at http://biodiversitylibrary.org/page/32021246
page(s): 824 [details]

original description (of Unionea Rafinesque, 1815) Rafinesque, C.S. (1815). Analyse de la nature ou Tableau de l'univers et des corps organisés. [Analysis of nature or Table of the universe and organized bodies]. (self-published), Palermo. 1-224., available online at http://gallica.bnf.fr/ark:/12148/bpt6k98061z.r=rafinesque.langEN
page(s): 147 [details]

original description (of Unio (Consentunio) Jatsko, 1972) Jatsko, I.Ya. (1972). Nayady verkhnego kaynozoya yugo-zapada Ukrainy i Moldavii (opisaniye i stratigraficheskiye zametki [Naiads of the Upper Cenozoic in the south-west of Ukraine and Moldova (description and stratigraphic notes)]. Lvov State University, Lvov, 146 pp.
page(s): 11 [details] Available for editors

[request]

original description (of Unio (Tumidusiana) Locard, 1889) Locard, A. (1889). Contributions à la faune malacologique française [XIII]. Catalogue des espèces françaises appartenant aux genresMargaritana et Unio connues jusqu'à ce jour. Annales de la Société Linnéenne de Lyon, nouvelle série. 35: 111-269., available online at https://www.biodiversitylibrary.org/page/54576293
page(s): 175 [details]

original description (of Unio (Tumidunio) Jatsko, 1972) Jatsko, I.Ya. (1972). Nayady verkhnego kaynozoya yugo-zapada Ukrainy i Moldavii (opisaniye i stratigraficheskiye zametki [Naiads of the Upper Cenozoic in the south-west of Ukraine and Moldova (description and stratigraphic notes)]. Lvov State University, Lvov, 146 pp.
page(s): 11 [details] Available for editors

[request]

additional source Frierson, L. S. (1904). Notes on the structure of the shells of Unio. The Nautilus. 17(9): 98-99., available online at https://www.biodiversitylibrary.org/page/1726521 [details]

Present

Inaccurate

Introduced: alien

Containing type locality

Definitions

[show lower level...]

Language	Name
English	freshwater mussels	[details]
German	Flussmuscheln	[details]

To European Nucleotide Archive, ENA (Cafferia) (from synonym Cafferia C. T. Simpson, 1900)
To European Nucleotide Archive, ENA (Crassiana) (from synonym Crassiana Servain, 1882)
To European Nucleotide Archive, ENA (Unio)
To Genbank (from synonym Cafferia C. T. Simpson, 1900)
To Genbank (from synonym Crassiana Servain, 1882)
To Genbank

Unreviewed

Unio pictorum

Image from typetaxon