1. Subgenus Ena (Cauliculus) Lindholm, 1925
2. Species Ena auversiensis (Deshayes, 1863) †
3. Species Ena concolor (Westerlund, 1887)
4. Species Ena coreanica Pilsbry & Y. Hirase, 1908
5. Species Ena dazimonensis Hausdorf, 2001
6. Species Ena elongata (Kobelt, 1877)
7. Species Ena markamensis D.-N. Chen & G.-Q. Zhang, 2001
8. Species Ena menkhorsti Hausdorf & Bank, 2001
9. Species Ena montana (Draparnaud, 1801)
10. Species Ena monticola (J. R. Roth, 1856)
11. Species Ena nogellii (J. R. Roth, 1850)
12. Species Ena stefanii Wenz, 1919 †
13. Species Ena subtilis (Rossmässler, 1837)
14. Species Ena turgidula (F. Sandberger, 1872) †
15. Subgenus Ena (Cerastus) E. von Martens, 1860 accepted as Cerastus E. von Martens, 1860 (distinct genus)
    1. Species Ena (Cerastus) lagariensis E. A. Smith, 1904 accepted as Cerastus trapezoideus lagariensis (E. A. Smith, 1904) (original combination)
    2. Species Ena (Cerastus) retirugis (E. von Martens, 1895) accepted as Cerastus retirugis (E. von Martens, 1895) accepted as Cerastus trapezoideus trapezoideus (E. von Martens, 1892) (unaccepted > superseded combination)
    3. Species Ena (Cerastus) vexillum Thiele, 1911 accepted as Cerastus vexillum (Thiele, 1911) (original combination)
16. Subgenus Ena (Cirna) Pallary, 1928 accepted as Cirna Pallary, 1928 (unaccepted > superseded combination)
    1. Species Ena (Cirna) macfadyeni Pallary, 1939 (uncertain > taxon inquirendum)
17. Subgenus Ena (Dolichena) Pilsbry, 1934 accepted as Dolichena Pilsbry, 1934 (original rank)
    1. Species Ena (Dolichena) miranda Pilsbry, 1934 accepted as Dolichena miranda (Pilsbry, 1934) (original combination)
18. Subgenus Ena (Eburnea) Mousson, 1888 accepted as Xerocerastus Kobelt & Möllendorff, 1902
    1. Species Ena (Eburnea) damarensis (H. Adams, 1870) accepted as Xerocerastus damarensis (H. Adams, 1870) (unaccepted > superseded combination)
    2. Species Ena (Eburnea) schultzei O. Boettger, 1910 accepted as Xerocerastus schultzei (O. Boettger, 1910) (basionym)
    3. Species Ena (Eburnea) subteres O. Boettger, 1910 accepted as Lubricetta subteres (O. Boettger, 1910) (basionym)
19. Subgenus Ena (Heudiella) Annandale, 1924 accepted as Heudiella Annandale, 1924 accepted as Macrophaedusa Möllendorff, 1883 (unaccepted rank)
    1. Species Ena (Heudiella) phaedusoides Thiele, 1931 accepted as Apoecus phaedusoides (Thiele, 1931) (original combination)
20. Subgenus Ena (Holcauchen) Möllendorff, 1901 accepted as Holcauchen Möllendorff, 1901 (unaccepted rank)
    1. Species Ena (Holcauchen) brookedolani Pilsbry, 1934 accepted as Holcauchen brookedolani (Pilsbry, 1934) (original combination)
21. Subgenus Ena (Laeonapaeus) Lindholm, 1925 accepted as Pseudonapaeus (Pseudonapaeus) Westerlund, 1887 accepted as Pseudonapaeus Westerlund, 1887 (unaccepted > junior subjective synonym)
22. Subgenus Ena (Mastus) H. Beck, 1837 accepted as Mastus H. Beck, 1837 (unaccepted > superseded combination)
    1. Species Ena (Mastus) kessabianus Pallary, 1939 accepted as Pene kotschyi (L. Pfeiffer, 1854) (unaccepted > junior subjective synonym)
23. Subgenus Ena (Mauronapaeus) Kobelt, 1899 accepted as Mauronapaeus Kobelt, 1899 (superseded generic combination)
    1. Species Ena (Mauronapaeus) gouvioni Pallary, 1928 accepted as Coniconapaeus letourneuxi (Bourguignat, 1864) (junior synonym)
    2. Species Ena (Mauronapaeus) jobaiana [sic] † accepted as Mauronapaeus jobaeanus (Crosse, 1861) † (unaccepted > misspelling - incorrect subsequent spelling)
24. Subgenus Ena (Mirus) Albers, 1850 accepted as Mirus Albers, 1850 (unaccepted rank)
    1. Species Ena (Mirus) krejcii F. Haas, 1933 accepted as Mirus krejcii (F. Haas, 1933) (original combination)
    2. Species Ena (Mirus) notha Pilsbry, 1934 accepted as Mirus nothus (Pilsbry, 1934) (original combination)
25. Subgenus Ena (Napaeus) Albers, 1850 accepted as Napaeus Albers, 1850
    1. Species Ena (Napaeus) arneggensis (K. Miller, 1907) † accepted as Palaeomastus arneggensis (K. Miller, 1907) † (unaccepted > superseded combination)
    2. Species Ena (Napaeus) complanata (Reuss, 1849) † accepted as Palaeomastus complanatus (Reuss, 1849) † (unaccepted > superseded combination)
    3. Species Ena (Napaeus) filocincta (Reuss, 1861) † accepted as Palaeomastus filocinctus (Reuss, 1861) † (unaccepted > superseded combination)
    4. Species Ena (Napaeus) gaali Wenz, 1919 † accepted as Napaeus gaali (Wenz, 1919) † (unaccepted > superseded combination)
    5. Species Ena (Napaeus) gracilis (Thomä, 1845) † accepted as Palaeomastus gracilis (Thomä, 1845) † (unaccepted > superseded combination)
    6. Species Ena (Napaeus) suevica (Wenz, 1916) † accepted as Napaeus suevicus (Wenz, 1916) † (unaccepted > superseded combination)
    7. Species Ena (Napaeus) turgidula (F. Sandberger, 1872) † accepted as Ena turgidula (F. Sandberger, 1872) † (unaccepted > superseded combination)
    8. Species Ena (Napaeus) matheyi (Maillard, 1892) † (uncertain > taxon inquirendum)
    9. Species Ena (Napaeus) potaninianus (Ancey, 1886) (uncertain > unassessed)
26. Subgenus Ena (Pachnodus) E. von Martens, 1890 accepted as Pachnodus E. von Martens, 1860
    1. Species Ena (Pachnodus) mcbeaniana Burnup, 1905 accepted as Gittenedouardia mcbeaniana (Burnup, 1905) (original combination)
27. Subgenus Ena (Paramastus) P. Hesse, 1933 accepted as Paramastus P. Hesse, 1933 (unaccepted > superseded rank)
28. Subgenus Ena (Pene) Pallary, 1929 accepted as Pene Pallary, 1929 (unaccepted > superseded rank)
29. Subgenus Ena (Petraeomastus) Möllendorff, 1901 accepted as Petraeomastus Möllendorff, 1901 (unaccepted rank)
    1. Species Ena (Petraeomastus) rumichangensis Pilsbry, 1934 accepted as Petraeomastus semifartus (Möllendorff, 1902) (junior synonym)
30. Subgenus Ena (Petraeus) Albers, 1850 accepted as Buliminus H. Beck, 1837 (unaccepted > junior subjective synonym)
    1. Species Ena (Petraeus) alepensis (L. Pfeiffer, 1841) accepted as Buliminus alepensis (L. Pfeiffer, 1841) (unaccepted > superseded combination)
31. Subgenus Ena (Pseudonapaeus) Westerlund, 1887 accepted as Pseudonapaeus Westerlund, 1887 (unaccepted > superseded rank)
    1. Species Ena (Pseudonapaeus) latilabris Lindholm, 1927 accepted as Pseudonapaeus latilabris (Lindholm, 1927) (basionym)
    2. Species Ena (Pseudonapaeus) submucronata Lindholm, 1927 accepted as Pseudonapaeus submucronatus (Lindholm, 1927) (basionym)
32. Subgenus Ena (Quadridentiana) Caziot, 1910 accepted as Jaminia Risso, 1826 (unaccepted > junior subjective synonym)
33. Subgenus Ena (Rachisellus) Bourguignat, 1890 accepted as Rachis Albers, 1850 (junior synonym)
    1. Species Ena (Rachisellus) drymaeoides Thiele, 1911 accepted as Paracerastus drymaeoides (Thiele, 1911) (unaccepted > superseded combination, original combination)
34. Subgenus Ena (Serina) Gredler, 1898 accepted as Serina Gredler, 1898
    1. Species Ena (Serina) hazarica Gude, 1914 accepted as Serina hazarica (Gude, 1914) (original combination)
35. Subgenus Ena (Subzebrina) Westerlund, 1887 accepted as Ena (Subzebrinus) Westerlund, 1887 accepted as Subzebrinus Westerlund, 1887 accepted as Pseudonapaeus Westerlund, 1887 (unaccepted > misspelling - incorrect subsequent spelling)
    1. Species Ena (Subzebrina) oxiana (E. von Martens, 1876) accepted as Pseudonapaeus sogdianus (E. von Martens, 1874) (unaccepted > junior subjective synonym, subgenus misspelled)
36. Subgenus Ena (Subzebrinus) Westerlund, 1887 accepted as Subzebrinus Westerlund, 1887 accepted as Pseudonapaeus Westerlund, 1887 (unaccepted rank)
    1. Species Ena (Subzebrinus) batarae B. Rensch, 1930 accepted as Pseudonapaeus batarae (B. Rensch, 1930) (unaccepted > superseded combination)
    2. Species Ena (Subzebrinus) baudoni (Deshayes, 1870) accepted as Pseudonapaeus baudoni (Deshayes, 1870) (unaccepted combination)
    3. Species Ena (Subzebrinus) eleonorae Tzvetkov, 1940 accepted as Pseudonapaeus eleonorae (Tzvetkov, 1940) (original combination)
    4. Species Ena (Subzebrinus) erratica Pilsbry, 1934 accepted as Pseudonapaeus erraticus (Pilsbry, 1934) (original combination)
    5. Species Ena (Subzebrinus) tipperi Prashad, 1927 accepted as Subzebrinus tipperi (Prashad, 1927) accepted as Pseudonapaeus tipperi (Prashad, 1927) (original combination)
37. Subgenus Ena (Tridensiana) Caziot, 1910 accepted as Chondrula H. Beck, 1837 (unaccepted > junior objective synonym)
38. Subgenus Ena (Turanena) Lindholm, 1922 accepted as Turanena Lindholm, 1922 (unaccepted > superseded rank)
    1. Species Ena (Turanena) albolimbata Lindholm, 1927 accepted as Turanena albolimbata (Lindholm, 1927) (basionym)
    2. Species Ena (Turanena) cognata Lindholm, 1927 accepted as Turanena cognata (Lindholm, 1927)
    3. Species Ena (Turanena) hermonensis Forcart, 1981 accepted as Turanena hermonensis (Forcart, 1981) (unaccepted > superseded combination)
    4. Species Ena (Turanena) leptogyra Lindholm, 1927 accepted as Turanena leptogyra (Lindholm, 1927) (unaccepted > superseded combination, basionym)
    5. Species Ena (Turanena) stschukini Lindholm, 1927 accepted as Turanena stschukini (Lindholm, 1927)
39. Species Ena arcuata Küster, 1845 accepted as Pseudonapaeus arcuatus (Küster, 1845) (unaccepted > superseded combination)
40. Species Ena batarae B. Rensch, 1930 accepted as Pseudonapaeus batarae (B. Rensch, 1930) (unaccepted > superseded combination)
41. Species Ena enabensis Pallary, 1939 accepted as Turanena benjamitica (W. H. Benson, 1859) (unaccepted > junior subjective synonym)
42. Species Ena etuberculata Frauenfeld, 1867 accepted as Mastus etuberculatus (Frauenfeld, 1867) (original combination)
43. Species Ena galinae Tzvetkov, 1940 accepted as Pseudonapaeus galinae (Tzvetkov, 1940) (original combination)
44. Species Ena glandula (Mousson, 1849) accepted as Apoecus glandula (Mousson, 1849)
45. Species Ena gouvioni Pallary, 1928 accepted as Coniconapaeus letourneuxi (Bourguignat, 1864) (original combination)
46. Species Ena hachijoensis Kuroda, 1945 accepted as Luchuena hachijoensis (Kuroda, 1945) (unaccepted > superseded combination)
47. Species Ena hassiaca (Wenz, 1919) † accepted as Ena turgidula (F. Sandberger, 1872) † (unaccepted > junior objective synonym)
48. Species Ena jugoslaviensis A. J. Wagner, 1922 accepted as Ena concolor (Westerlund, 1887) (unaccepted > junior subjective synonym, junior synonym)
49. Species Ena kivuensis Preston, 1913 accepted as Pseudoglessula kivuensis (Preston, 1913) accepted as Kempioconcha elatior (Thiele, 1911) (original combination)
50. Species Ena kyusyuensis Kuroda, 1945 accepted as Mirus rugulosus (Möllendorff, 1900) (junior synonym)
51. Species Ena luchuana (Pilsbry, 1901) accepted as Luchuena luchuana (Pilsbry, 1901) (unaccepted combination)
52. Species Ena montivaga van Benthem Jutting, 1959 accepted as Apoecus montivagus (van Benthem Jutting, 1959) (original combination)
53. Species Ena murotonis Kuroda & T. Habe, 1945 accepted as Mirus murotonis (Kuroda & T. Habe, 1945) (unaccepted > superseded combination)
54. Species Ena namibica O. Boettger, 1910 accepted as Xerocerastus namibicus (O. Boettger, 1910) (original combination)
55. Species Ena nitens Degner, 1922 accepted as Lubricetta nitens (Degner, 1922) (original combination)
56. Species Ena obscura (O. F. Müller, 1774) accepted as Merdigera obscura (O. F. Müller, 1774) (unaccepted > superseded combination)
57. Species Ena porrecta (Möllendorff, 1902) accepted as Petraeomastus porrectus (Möllendorff, 1902) (unaccepted > superseded combination, unaccepted combination)
58. Species Ena prillwitzi (Möllendorff, 1897) accepted as Apoecus prillwitzi (Möllendorff, 1897) (unaccepted > superseded combination)
59. Species Ena purii H. C. Ray, 1951 accepted as Pseudonapaeus purii (H. C. Ray, 1951) (unaccepted > superseded combination)
60. Species Ena reiniana (Kobelt, 1875) accepted as Mirus reinianus (Kobelt, 1875) (unaccepted combination)
61. Species Ena robusta Degner, 1922 accepted as Xerocerastus robustus (Degner, 1922) (original combination)
62. Species Ena secalina (E. von Martens, 1880) accepted as Pseudonapaeus secalinus (E. von Martens, 1880) (unaccepted > superseded combination)
63. Species Ena serica Degner, 1922 accepted as Lubricetta serica (Degner, 1922) (original combination)
64. Species Ena tenggerica (Möllendorff, 1897) accepted as Apoecus tenggericus (Möllendorff, 1897) (unaccepted > superseded combination)
65. Species Ena tenuilirata (Möllendorff, 1897) accepted as Apoecus tenuiliratus (Möllendorff, 1897) (unaccepted > superseded combination)
66. Species Ena thrausta (Möllendorff, 1897) accepted as Apoecus thraustus (Möllendorff, 1897)
67. Species Ena vibex (Küster, 1845) accepted as Pseudonapaeus vibex (Küster, 1845) (unaccepted > superseded combination)
68. Species Ena warburgi (Schmacker & O. Boettger, 1891) accepted as Apoecus warburgi (Schmacker & O. Boettger, 1891) (unaccepted combination)
69. Species Ena yildirimi Schütt, 1995 accepted as Meijeriella yildirimi (Schütt, 1995) (unaccepted > superseded combination, basionym)
70. Subgenus Ena (Ena) W. Turton, 1831 represented as Ena W. Turton, 1831
    1. Species Ena (Ena) montana (Draparnaud, 1801) accepted as Ena montana (Draparnaud, 1801)
    2. Species Ena (Ena) nogellii (J. R. Roth, 1850) accepted as Ena nogellii (J. R. Roth, 1850)
    3. Species Ena (Ena) obscura (O. F. Müller, 1774) accepted as Merdigera obscura (O. F. Müller, 1774) (unaccepted combination)
    4. Species Ena (Ena) pelidne H. E. J. Biggs, 1946 accepted as Imparietula pelidne (H. E. J. Biggs, 1946) (unaccepted > superseded combination)
    5. Species Ena (Ena) stefanii Wenz, 1919 † represented as Ena stefanii Wenz, 1919 †
71. Species Ena gaillardi Fischer-Piette & Bedoucha, 1965 (uncertain > taxon inquirendum)
72. Species Ena leptostraca (Schmacker & O. Boettger, 1891) (uncertain > taxon inquirendum)
73. Species Ena sharmani (W. H. Baily, 1858) † (uncertain > taxon inquirendum)

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