1. Species Acmaea achates (Reeve, 1855)
2. Species Acmaea catalaunensis Cossmann, 1913 †
3. Species Acmaea dubia Wilckens, 1910 †
4. Species Acmaea dulcis (Lamarck, 1803) †
5. Species Acmaea hannonica É. Vincent, 1930 †
6. Species Acmaea juanina Odhner, 1922
7. Species Acmaea marceauxi (Deshayes, 1861) †
8. Species Acmaea mitra Rathke, 1833
9. Species Acmaea nanshaensis Y.-Y. Liu, 1991
10. Species Acmaea nojimensis Yokoyama, 1920 †
11. Species Acmaea scutatella (Lamarck, 1803) †
12. Species Acmaea submesidia Stilwell, Zinsmeister & Oleinik, 2004 †
13. Subgenus Acmaea (Chiazacmea) W. R. B. Oliver, 1926 accepted as Patelloida Quoy & Gaimard, 1834
    1. Species Acmaea (Chiazacmea) heteromorpha (W. R. B. Oliver, 1926) accepted as Patelloida heteromorpha (W. R. B. Oliver, 1926)
14. Subgenus Acmaea (Collisella) Dall, 1871 accepted as Lottia J. E. Gray, 1833 (a junior synonym)
    1. Species Acmaea (Collisella) abrolhosensis Petuch, 1979 accepted as Lottia abrolhosensis (Petuch, 1979) (original combination)
    2. Species Acmaea (Collisella) apicina Dall, 1879 accepted as Problacmaea apicina (Dall, 1879) accepted as Erginus (Problacmaea) apicinus (Dall, 1879) represented as Erginus apicinus (Dall, 1879) (basionym)
    3. Species Acmaea (Collisella) cassis (Rathke, 1833) accepted as Lottia pelta (Rathke, 1833) (a junior synonym)
    4. Species Acmaea (Collisella) cona [sic] accepted as Lottia conus (Test, 1945)
    5. Species Acmaea (Collisella) depicta (Hinds, 1842) accepted as Tectura depicta (Hinds, 1842)
    6. Species Acmaea (Collisella) digitalis (Rathke, 1833) accepted as Lottia digitalis (Rathke, 1833) (unaccepted combination)
    7. Species Acmaea (Collisella) paradigitalis Fritchman, 1960 accepted as Lottia paradigitalis (Fritchman, 1960) (unaccepted > superseded combination)
    8. Species Acmaea (Collisella) patina Rathke, 1833 accepted as Collisella patina (Rathke, 1833) (unaccepted rank)
    9. Species Acmaea (Collisella) pelta (Rathke, 1833) accepted as Lottia pelta (Rathke, 1833) (unaccepted combination)
    10. Species Acmaea (Collisella) persona Rathke, 1833 accepted as Lottia persona (Rathke, 1833) (a junior synonym)
    11. Species Acmaea (Collisella) radiata Rathke, 1833 accepted as Lottia persona (Rathke, 1833) (a junior synonym)
    12. Species Acmaea (Collisella) sybaritica Dall, 1871 accepted as Problacmaea sybaritica (Dall, 1871) accepted as Erginus (Problacmaea) sybariticus (Dall, 1871) represented as Erginus sybariticus (Dall, 1871) (original combination)
    13. Species Acmaea (Collisella) testudinalis (O. F. Müller, 1776) accepted as Testudinalia testudinalis (O. F. Müller, 1776) (unaccepted combination)
    14. Species Acmaea (Collisella) hieroglyphica Dall, 1871 (uncertain > unassessed)
    15. Species Acmaea (Collisella) peramabilis Dall, 1872 (uncertain > unassessed)
15. Subgenus Acmaea (Niveotectura) T. Habe, 1944 accepted as Niveotectura T. Habe, 1944 (unaccepted > superseded rank)
    1. Species Acmaea (Niveotectura) pallida (A. Gould, 1859) accepted as Niveotectura pallida (A. Gould, 1859) (unaccepted combination)
16. Subgenus Acmaea (Notoacmea) Iredale, 1915 accepted as Notoacmea Iredale, 1915 (superseded combination)
    1. Species Acmaea (Notoacmea) concinna (Lischke, 1870) accepted as Nipponacmea concinna (Lischke, 1870) (unaccepted combination)
17. Subgenus Acmaea (Rhodopetala) Dall, 1921 accepted as Rhodopetala Dall, 1921 (unaccepted rank)
    1. Species Acmaea (Rhodopetala) rosea (Dall, 1872) accepted as Rhodopetala rosea (Dall, 1872) (unaccepted combination)
18. Species Acmaea acutapex S. S. Berry, 1960 accepted as Lottia acutapex (S. S. Berry, 1960)
19. Species Acmaea alba Tenison Woods, 1877 accepted as Scutellastra chapmani (Tenison Woods, 1876) (junior synonym)
20. Species Acmaea albescens R. A. Philippi, 1846 accepted as Iothia albescens (R. A. Philippi, 1846) (unaccepted > superseded combination)
21. Species Acmaea albonotata E. A. Smith, 1901 accepted as Eoacmaea albonotata (E. A. Smith, 1901) (unaccepted > superseded combination)
22. Species Acmaea aleutica Dall, 1927 accepted as Erginus apicinus (Dall, 1879)
23. Species Acmaea alveus (Conrad, 1831) accepted as Lottia alveus (Conrad, 1831) (unaccepted combination)
24. Species Acmaea ancylus Rathke, 1833 accepted as Lottia digitalis (Rathke, 1833) (a junior synonym)
25. Species Acmaea antillarum (G. B. Sowerby I, 1834) accepted as Lottia antillarum G. B. Sowerby I, 1834 (unaccepted combination)
26. Species Acmaea apicina Dall, 1879 accepted as Problacmaea apicina (Dall, 1879) accepted as Erginus (Problacmaea) apicinus (Dall, 1879) represented as Erginus apicinus (Dall, 1879) (unaccepted > superseded combination)
27. Species Acmaea araucana (A. d'Orbigny, 1839) accepted as Scurria araucana (A. d'Orbigny, 1839) (unaccepted > superseded combination)
28. Species Acmaea atrata P. P. Carpenter, 1864 accepted as Lottia atrata (P. P. Carpenter, 1864) (original combination)
29. Species Acmaea bombayana E. A. Smith, 1911 accepted as Cellana radiata radiata (Born, 1778) accepted as Cellana radiata (Born, 1778) (unaccepted > junior subjective synonym)
30. Species Acmaea bourdoti Cossmann, 1902 † accepted as Patella bourdoti (Cossmann, 1902) † (unaccepted > superseded combination)
31. Species Acmaea calamus (Crosse & P. Fischer, 1864) accepted as Eoacmaea calamus (Crosse & P. Fischer, 1864) (unaccepted > superseded combination)
32. Species Acmaea candeana (A. d'Orbigny, 1847) accepted as Lottia antillarum G. B. Sowerby I, 1834 (unaccepted > junior subjective synonym)
33. Species Acmaea carpenteri Pilsbry, 1891 accepted as Tectura tenera (C. B. Adams, 1845)
34. Species Acmaea cassis Rathke, 1833 accepted as Lottia pelta (Rathke, 1833)
35. Species Acmaea ceciliana (A. d'Orbigny, 1841) accepted as Scurria ceciliana (A. d'Orbigny, 1841) (superseded combination)
36. Species Acmaea chathamensis Pilsbry, 1891 accepted as Cellana rota (Gmelin, 1791)
37. Species Acmaea cingulata F. W. Hutton, 1883 accepted as Radiacmea inconspicua (J. E. Gray, 1843) (junior subjective synonym)
38. Species Acmaea coffea (Reeve, 1855) accepted as Scurria variabilis (G. B. Sowerby I, 1839) (synonym)
39. Species Acmaea cona [sic] accepted as Lottia conus (Test, 1945) (incorrect original spelling)
40. Species Acmaea concinna Lischke, 1870 accepted as Nipponacmea concinna (Lischke, 1870) (original combination)
41. Species Acmaea concreta S. S. Berry, 1963 accepted as Collisella stanfordiana (S. S. Berry, 1957) accepted as Lottia stanfordiana (S. S. Berry, 1957) (unaccepted > junior subjective synonym)
42. Species Acmaea conulus (Dunker, 1861) accepted as Patelloida conulus (Dunker, 1861) (unaccepted combination)
43. Species Acmaea conus Test, 1945 accepted as Lottia conus (Test, 1945) (original combination)
44. Species Acmaea corticata F. W. Hutton, 1880 accepted as Patelloida corticata (F. W. Hutton, 1880) (superseded combination)
45. Species Acmaea crucis Tenison Woods, 1876 accepted as Patelloida insignis (Menke, 1843) (unaccepted > junior subjective synonym)
46. Species Acmaea curvissior Oberling, 1970 accepted as Williamia gussoni (O. G. Costa, 1829) (synonym)
47. Species Acmaea cymbula Hupé, 1854 accepted as Scurria scurra (Lesson, 1831) (synonym)
48. Species Acmaea daedala Suter, 1907 accepted as Notoacmea daedala (Suter, 1907) (original combination)
49. Species Acmaea dalliana Pilsbry, 1891 accepted as Lottia dalliana (Pilsbry, 1891) (original combination)
50. Species Acmaea depicta (Hinds, 1842) accepted as Tectura depicta (Hinds, 1842)
51. Species Acmaea digitalis Rathke, 1833 accepted as Lottia digitalis (Rathke, 1833) (original combination)
52. Species Acmaea dittmeri H. J. Anderson, 1964 † accepted as Pseudococculina dittmeri (H. J. Anderson, 1964) † (unaccepted > superseded combination)
53. Species Acmaea dorsuosa A. Gould, 1859 accepted as Lottia dorsuosa (A. Gould, 1859) (unaccepted > superseded combination)
54. Species Acmaea eccentrica Test, 1945 accepted as Propilidium tasmanicum (Pilsbry, 1895) (unaccepted > junior subjective synonym)
55. Species Acmaea edmitchelli Lipps, 1966 † accepted as Lottia edmitchelli (Lipps, 1966) † (original combination)
56. Species Acmaea elegans R. A. Philippi, 1846 accepted as Lottia antillarum G. B. Sowerby I, 1834 (unaccepted > junior subjective synonym)
57. Species Acmaea emydia Dall, 1914 accepted as Lottia emydia (Dall, 1914) (unaccepted combination)
58. Species Acmaea euglypta Dautzenberg & H. Fischer, 1897 accepted as Veleropilina euglypta (Dautzenberg & H. Fischer, 1897) (original combination)
59. Species Acmaea exilis R. A. Philippi, 1846 accepted as Patelloida exilis (R. A. Philippi, 1846) (unaccepted > superseded combination)
60. Species Acmaea fascicularis Menke, 1851 accepted as Lottia fascicularis (Menke, 1851)
61. Species Acmaea fergusoni Wheat, 1913 accepted as Testudinalia testudinalis (O. F. Müller, 1776) (synonym)
62. Species Acmaea floccata (Reeve, 1855) accepted as Lottia mesoleuca (Menke, 1851)
63. Species Acmaea fonsecana Pilsbry & H. N. Lowe, 1932 accepted as Notoacmea biradiata (Reeve, 1855) (unaccepted > junior subjective synonym)
64. Species Acmaea funiculata (P. P. Carpenter, 1864) accepted as Niveotectura funiculata (P. P. Carpenter, 1864) (unaccepted > superseded combination)
65. Species Acmaea gallensis Winckworth, 1928 accepted as Lottia tranquebarica (Gmelin, 1791)
66. Species Acmaea garrettii Pilsbry, 1891 accepted as Patelloida garrettii (Pilsbry, 1891) (original combination)
67. Species Acmaea goodmani S. S. Berry, 1960 accepted as Collisella stanfordiana (S. S. Berry, 1957) accepted as Lottia stanfordiana (S. S. Berry, 1957) (unaccepted > junior subjective synonym)
68. Species Acmaea hamillei P. Fischer, 1857 accepted as Plesiothyreus hamillei (P. Fischer, 1857) (original combination)
69. Species Acmaea helmsi E. A. Smith, 1894 accepted as Notoacmea elongata (Quoy & Gaimard, 1834) (junior subjective synonym)
70. Species Acmaea heroldi (Dunker, 1861) accepted as Patelloida heroldi (Dunker, 1861) (unaccepted > superseded combination)
71. Species Acmaea incognita (Friedbetg, 1928) † accepted as Tectura incognita Friedberg, 1928 † (unaccepted > superseded combination)
72. Species Acmaea inconspicua (J. E. Gray, 1843) accepted as Radiacmea inconspicua (J. E. Gray, 1843) (unaccepted > superseded combination)
73. Species Acmaea inquilinus Preston, 1913 accepted as Patelloida inquilinus (Preston, 1913)
74. Species Acmaea insessa (Hinds, 1842) accepted as Discurria insessa (Hinds, 1842)
75. Species Acmaea instabilis (A. Gould, 1846) accepted as Lottia instabilis (A. Gould, 1846) (unaccepted combination)
76. Species Acmaea intermedia Suter, 1907 accepted as Radiacmea intermedia (Suter, 1907) (superseded combination)
77. Species Acmaea kolarovai Grabau & S. G. King, 1928 accepted as Collisella peitaihoensis (Grabau & S. G. King, 1928) accepted as Lottia peitaihoensis (Grabau & S. G. King, 1928)
78. Species Acmaea kuragiensis Yokoyama, 1920 accepted as Lepeta kuragiensis (Yokoyama, 1920) (original combination)
79. Species Acmaea laevigata Eichwald, 1850 † accepted as Tectura laevigata (Eichwald, 1850) † (unaccepted > superseded combination)
80. Species Acmaea langfordi Schwengel, 1949 accepted as Lottia langfordi (Habe, 1944)
81. Species Acmaea leucophaea R. A. Philippi, 1846 accepted as Scurria variabilis (G. B. Sowerby I, 1839) (unaccepted > junior subjective synonym)
82. Species Acmaea leucopleura (Gmelin, 1791) accepted as Lottia leucopleura (Gmelin, 1791)
83. Species Acmaea limatula (P. P. Carpenter, 1864) accepted as Lottia limatula (P. P. Carpenter, 1864)
84. Species Acmaea lineata R. A. Philippi, 1846 accepted as Patelloida lineata (R. A. Philippi, 1846) (unaccepted > superseded combination)
85. Species Acmaea maraisi Kilburn, 1977 accepted as Asteracmea maraisi (Kilburn, 1977) (original combination)
86. Species Acmaea marcusi Righi, 1966 accepted as Lottia marcusi (Righi, 1966)
87. Species Acmaea marmorata Tenison Woods, 1876 accepted as Patelloida latistrigata (Angas, 1865) (unaccepted > junior subjective synonym)
88. Species Acmaea mesoleuca Menke, 1851 accepted as Lottia mesoleuca (Menke, 1851) (original combination)
89. Species Acmaea minutissima E. A. Smith, 1904 accepted as Cocculinella minutissima (E. A. Smith, 1904) (unaccepted > junior homonym)
90. Species Acmaea mitchelli Lipps, 1963 † accepted as Lottia edmitchelli (Lipps, 1966) † (invalid: junior homonym of Acmaea striata mitchelli Oldroyd, 1933; A. edmitchelli is a replacement name)
91. Species Acmaea mufria Hedley, 1915 accepted as Patelloida mufria (Hedley, 1915) (original combination)
92. Species Acmaea mutabilis Philippi, 1851 accepted as Collisella discors (R. A. Philippi, 1849) accepted as Lottia discors (R. A. Philippi, 1849) (unaccepted > junior subjective synonym)
93. Species Acmaea nisoria R. A. Philippi, 1846 accepted as Scurria variabilis (G. B. Sowerby I, 1839) (unaccepted > junior subjective synonym)
94. Species Acmaea norohensis E. A. Smith, 1890 accepted as Lottia noronhensis (E. A. Smith, 1890) (unaccepted > superseded combination)
95. Species Acmaea oblongata Yokoyama, 1926 accepted as Siphonacmea oblongata (Yokoyama, 1926)
96. Species Acmaea ochracea (Dall, 1871) accepted as Lottia instabilis (A. Gould, 1846)
97. Species Acmaea orbignyi Dall, 1909 accepted as Lottia orbignyi (Dall, 1909)
98. Species Acmaea ordinaria W. H. Turton, 1932 accepted as Helcion pectunculus (Gmelin, 1791) (possible junior synonym)
99. Species Acmaea paleacea A. Gould, 1853 accepted as Tectura paleacea (A. Gould, 1853) (original combination)
100. Species Acmaea paradigitalis Fritchman, 1960 accepted as Lottia paradigitalis (Fritchman, 1960) (original combination)
101. Species Acmaea parasitica (A. d'Orbigny, 1841) accepted as Scurria variabilis (G. B. Sowerby I, 1839) (synonym)
102. Species Acmaea parva (Angas, 1879) accepted as Naccula parva (Angas, 1879)
103. Species Acmaea parviconoidea Suter, 1907 accepted as Notoacmea parviconoidea (Suter, 1907) (superseded combination)
104. Species Acmaea patellavecta Verco, 1912 accepted as Patelloida nigrosulcata (Reeve, 1855)
105. Species Acmaea patina Rathke, 1833 accepted as Collisella patina (Rathke, 1833) (original combination)
106. Species Acmaea pediculus (R. A. Philippi, 1846) accepted as Lottia pediculus (R. A. Philippi, 1846) (unaccepted > superseded combination)
107. Species Acmaea peitaihoensis Grabau & S. G. King, 1928 accepted as Collisella peitaihoensis (Grabau & S. G. King, 1928) accepted as Lottia peitaihoensis (Grabau & S. G. King, 1928) (original combination)
108. Species Acmaea pelta Rathke, 1833 accepted as Lottia pelta (Rathke, 1833) (original combination)
109. Species Acmaea perconica Preston, 1913 accepted as Patelloida perconica (Preston, 1913) (unaccepted > superseded combination)
110. Species Acmaea persona Rathke, 1833 accepted as Lottia persona (Rathke, 1833) (original combination)
111. Species Acmaea petterdi Tenison Woods, 1877 accepted as Notoacmea petterdi (Tenison Woods, 1877) (original combination)
112. Species Acmaea plana R. A. Philippi, 1846 accepted as Scurria plana (R. A. Philippi, 1846) (unaccepted > superseded combination)
113. Species Acmaea profunda (Deshayes, 1863) accepted as Eoacmaea profunda (Deshayes, 1863)
114. Species Acmaea pseudocorticata Iredale, 1908 accepted as Patelloida corticata (F. W. Hutton, 1880) (junior subjective synonym)
115. Species Acmaea pulcherrima Dall, 1927 accepted as Eoacmaea pustulata (Helbling, 1779) (unaccepted > junior subjective synonym)
116. Species Acmaea punctatissima R. A. Philippi, 1846 (unaccepted > junior subjective synonym)
117. Species Acmaea puncturata (Lamarck, 1819) (unaccepted)
118. Species Acmaea punicea W. H. Turton, 1932 (unaccepted, possible junior synonym)
119. Species Acmaea pustulata (Helbling, 1779) (unaccepted)
120. Species Acmaea radiata Rathke, 1833 (unaccepted)
121. Species Acmaea rosea (Dall, 1872) (unaccepted, unaccepted combination)
122. Species Acmaea roseoradiata Suter, 1907 (unaccepted, junior primary homonym of Acmaea roseoradiata E .A. Smith, 1901; Notoacmea suteri Iredale, 1915 is a replacement name)
123. Species Acmaea roseoradiata E. A. Smith, 1901 (unaccepted, original combination)
124. Species Acmaea rubella (O. Fabricius, 1780) (unaccepted)
125. Species Acmaea saccharina (Linnaeus, 1758) (unaccepted > superseded combination)
126. Species Acmaea scabra (A. Gould, 1846) (unaccepted > superseded combination)
127. Species Acmaea scabrilirata Angas, 1865 (unaccepted, junior subjective synonym)
128. Species Acmaea scapha Suter, 1907 (unaccepted, superseded combination)
129. Species Acmaea schrenckii Lischke, 1868 (unaccepted, unaccepted combination)
130. Species Acmaea scutum Rathke, 1833 (unaccepted, original combination)
131. Species Acmaea semicornea Preston, 1908 (unaccepted > superseded combination)
132. Species Acmaea semirubida Dall, 1914 (unaccepted, original combination)
133. Species Acmaea stanfordiana S. S. Berry, 1957 (unaccepted, original combination)
134. Species Acmaea striata (Quoy & Gaimard, 1834) (unaccepted)
135. Species Acmaea striatocostata Sinzov, 1892 † (unaccepted, subjective synonym)
136. Species Acmaea strigatella P. P. Carpenter, 1864 (unaccepted > superseded combination)
137. Species Acmaea strongiana Hertlein, 1958 (unaccepted)
138. Species Acmaea subcostata Sinzov, 1892 † (unaccepted > superseded combination)
139. Species Acmaea subrugosa A. d'Orbigny, 1841 (unaccepted)
140. Species Acmaea subundulata Angas, 1865 (unaccepted, junior subjective synonym)
141. Species Acmaea tejonensis Gabb, 1869 † (unaccepted > superseded combination)
142. Species Acmaea tenuissima Sinzov, 1892 † (unaccepted > superseded combination)
143. Species Acmaea tessulata (O. F. Müller, 1776) (unaccepted)
144. Species Acmaea testudinalis (O. F. Müller, 1776) (unaccepted, unaccepted combination)
145. Species Acmaea travancorica Preston, 1911 (unaccepted)
146. Species Acmaea turveri Hertlein & A. M. Strong, 1951 (unaccepted)
147. Species Acmaea unicolor (Forbes, 1844) (unaccepted)
148. Species Acmaea variabilis (G. B. Sowerby I, 1839) (unaccepted, synonym)
149. Species Acmaea vernicosa P. P. Carpenter, 1865 (unaccepted > junior subjective synonym)
150. Species Acmaea virginea (O. F. Müller, 1776) (unaccepted > superseded combination)
151. Species Acmaea viridula (Lamarck, 1819) (unaccepted, synonym)
152. Species Acmaea vokesi Hickman, 1980 † (unaccepted > superseded combination)
153. Species Acmaea wottonae Christiaens, 1975 (unaccepted > junior subjective synonym)
154. Species Acmaea zografi Dautzenberg & H. Fischer, 1896 (unaccepted, original combination)
155. Subgenus Acmaea (Tectura) J. E. Gray, 1847 (alternative representation)
     1. Species Acmaea (Tectura) incognita (Friedbetg, 1928) † accepted as Tectura incognita Friedberg, 1928 †
     2. Species Acmaea (Tectura) laevigata Eichwald, 1850 † accepted as Tectura laevigata (Eichwald, 1850) †
     3. Species Acmaea (Tectura) maraisi Kilburn, 1977 accepted as Asteracmea maraisi (Kilburn, 1977)
     4. Species Acmaea (Tectura) testudinalis (O. F. Müller, 1776) accepted as Testudinalia testudinalis (O. F. Müller, 1776) (unaccepted combination)
     5. Species Acmaea (Tectura) unicolor (Forbes, 1844) accepted as Tectura virginea (O. F. Müller, 1776)
     6. Species Acmaea (Tectura) virginea (O. F. Müller, 1776) accepted as Tectura virginea (O. F. Müller, 1776) (unaccepted combination)
156. Species Acmaea cancellata Test, 1945 (uncertain > taxon inquirendum)
157. Species Acmaea clarki K. van W. Palmer, 1918 † (uncertain > unassessed)
158. Species Acmaea cornea Test, 1945 (uncertain > taxon inquirendum)
159. Species Acmaea dickersoni K. van W. Palmer, 1918 † (uncertain > unassessed)
160. Species Acmaea fouae Test, 1945 (uncertain > taxon inquirendum)
161. Species Acmaea gabatella S. S. Berry, 1960 (uncertain > taxon inquirendum)
162. Species Acmaea irregularis Test, 1945 (uncertain > taxon inquirendum)
163. Species Acmaea laevigata Binkhorst, 1861 † (uncertain > unassessed, invalid; not Eichwald, 1850)
164. Species Acmaea martinezensis Dickerson, 1914 † (uncertain > unassessed)
165. Species Acmaea mitella Menke, 1847 (uncertain, status not researched)
166. Species Acmaea multistriata W. H. Turton, 1932 (uncertain > taxon inquirendum)
167. Species Acmaea neglecta Schepman, 1908 (uncertain > taxon inquirendum)
168. Species Acmaea oakvillensis K. van W. Palmer, 1918 † (uncertain > unassessed)
169. Species Acmaea pileolus (Middendorff, 1848) (uncertain > unassessed)
170. Species Acmaea rigida Kaunhowen, 1898 † (uncertain > unassessed)
171. Species Acmaea simplex Dickerson, 1917 † (uncertain > unassessed)
172. Species Acmaea transparens Test, 1945 (uncertain > taxon inquirendum)

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