1. Subgenus Anculosa (Lithasia) Haldeman, 1840 accepted as Lithasia Haldeman, 1840
   1. Species Anculosa (Lithasia) geniculata Haldeman, 1840 accepted as Lithasia geniculata (Haldeman, 1840)
2. Subgenus Anculosa (Mudalia) Haldeman, 1840 accepted as Leptoxis Rafinesque, 1819 (unaccepted > junior subjective synonym)
   1. Species Anculosa (Mudalia) affinis Haldeman, 1841 accepted as Leptoxis dilatata (Conrad, 1835)
   2. Species Anculosa (Mudalia) turgida Haldeman, 1840 accepted as Elimia melanoides (Conrad, 1834)
3. Species Anculosa affinis Haldeman, 1841 accepted as Leptoxis dilatata (Conrad, 1835) (unaccepted > junior subjective synonym)
4. Species Anculosa aldrichi C. Goodrich, 1922 accepted as Leptoxis coosaensis (I. Lea, 1861) (unaccepted > junior subjective synonym)
5. Species Anculosa ampla J. G. Anthony, 1855 accepted as Leptoxis ampla (J. G. Anthony, 1855) (unaccepted > superseded combination)
6. Species Anculosa anthonyi Redfield, 1854 accepted as Athearnia crassa (Haldeman, 1842) (junior synonym)
7. Species Anculosa arkansensis Hinkley, 1915 accepted as Leptoxis arkansensis (Hinkley, 1915) (original combination)
8. Species Anculosa bella I. Lea, 1841 accepted as Leptoxis plicata (Conrad, 1834) (junior synonym)
9. Species Anculosa brevispira C. Goodrich, 1922 accepted as Leptoxis coosaensis (I. Lea, 1861) (junior synonym)
10. Species Anculosa canalifera J. G. Anthony, 1860 accepted as Leptoxis carinata (Bruguière, 1789) (junior synonym)
11. Species Anculosa carinata I. Lea, 1841 accepted as Leptoxis carinata (Bruguière, 1789) (original combination)
12. Species Anculosa choccoloccoensis C. Goodrich, 1922 accepted as Leptoxis coosaensis (I. Lea, 1861) (junior synonym)
13. Species Anculosa cincinnatiensis (I. Lea, 1838) accepted as Leptoxis praerosa (Say, 1821) (junior synonym)
14. Species Anculosa clipeata C. Goodrich, 1922 accepted as Leptoxis clipeata (C. Goodrich, 1922) (original combination)
15. Species Anculosa coosaensis I. Lea, 1861 accepted as Leptoxis coosaensis (I. Lea, 1861) (original combination)
16. Species Anculosa corpulenta J. G. Anthony, 1860 accepted as Leptoxis carinata (Bruguière, 1789) (junior synonym)
17. Species Anculosa crassa Haldeman, 1842 accepted as Athearnia crassa (Haldeman, 1842) (original combination)
18. Species Anculosa dentata I. Lea, 1841 accepted as Leptoxis carinata (Bruguière, 1789) (junior synonym)
19. Species Anculosa dilatata (Conrad, 1835) accepted as Leptoxis dilatata (Conrad, 1835)
20. Species Anculosa downiei I. Lea, 1868 accepted as Leptoxis foremani (I. Lea, 1843) (junior synonym)
21. Species Anculosa elegans J. G. Anthony, 1860 accepted as Leptoxis ampla (J. G. Anthony, 1855) (junior synonym)
22. Species Anculosa flammata I. Lea, 1843 accepted as Leptoxis foremani (I. Lea, 1843)
23. Species Anculosa flexuosa C. Goodrich, 1922 accepted as Leptoxis taeniata (Conrad, 1834) accepted as Leptoxis picta (Conrad, 1834) (unaccepted > junior subjective synonym)
24. Species Anculosa foremani I. Lea, 1843 accepted as Leptoxis foremani (I. Lea, 1843) (original combination)
25. Species Anculosa formosa I. Lea, 1860 accepted as Leptoxis formosa (I. Lea, 1860) (original combination)
26. Species Anculosa fusca Haldeman, 1841 accepted as Fluminicola fuscus (Haldeman, 1841) (original combination)
27. Species Anculosa geniculata Haldeman, 1840 accepted as Lithasia geniculata (Haldeman, 1840) (original combination)
28. Species Anculosa gibbosa I. Lea, 1841 accepted as Leptoxis praerosa (Say, 1821) (junior synonym)
29. Species Anculosa griffithiana I. Lea, 1841 accepted as Leptoxis taeniata (Conrad, 1834) accepted as Leptoxis picta (Conrad, 1834)
30. Species Anculosa harpethensis Pilsbry, 1896 accepted as Leptoxis praerosa (Say, 1821)
31. Species Anculosa incisa I. Lea, 1843 accepted as Gyrotoma excisa (I. Lea, 1843) (junior synonym)
32. Species Anculosa lewisii I. Lea, 1861 accepted as Lithasia obovata (Say, 1829) (junior synonym)
33. Species Anculosa ligata J. G. Anthony, 1860 accepted as Leptoxis ligata (J. G. Anthony, 1860) (original combination)
34. Species Anculosa lirata C. Goodrich, 1922 accepted as Leptoxis lirata (C. Goodrich, 1922) (unaccepted > superseded combination)
35. Species Anculosa littorina Haldeman, 1840 accepted as Leptoxis praerosa (Say, 1821) (junior synonym)
36. Species Anculosa mimica C. Goodrich, 1922 accepted as Leptoxis ampla (J. G. Anthony, 1855) (unaccepted > junior subjective synonym)
37. Species Anculosa minor Hinkley, 1912 accepted as Leptoxis minor (Hinkley, 1912) (original combination)
38. Species Anculosa modesta C. Goodrich, 1922 accepted as Leptoxis foremani (I. Lea, 1843) (unaccepted > junior subjective synonym)
39. Species Anculosa occultata C. Goodrich, 1922 accepted as Leptoxis occultata (C. Goodrich, 1922) (unaccepted > superseded combination)
40. Species Anculosa patula J. G. Anthony, 1860 accepted as Leptoxis dilatata (Conrad, 1835) (junior synonym)
41. Species Anculosa picta Conrad, 1834 accepted as Leptoxis picta (Conrad, 1834) (original combination)
42. Species Anculosa planispira C. Goodrich, 1921 accepted as Lithasia obovata (Say, 1829) (unaccepted > junior subjective synonym)
43. Species Anculosa planulata Wheatley, 1845 (unaccepted > nomen nudum)
44. Species Anculosa praerosa (Say, 1821) accepted as Leptoxis praerosa (Say, 1821) (unaccepted combination)
45. Species Anculosa rubiginosa I. Lea, 1841 accepted as Leptoxis plicata (Conrad, 1834) (junior synonym)
46. Species Anculosa showalterii I. Lea, 1860 accepted as Leptoxis showalterii (I. Lea, 1860) (original combination)
47. Species Anculosa smithi C. Goodrich, 1922 accepted as Leptoxis ampla (J. G. Anthony, 1855) (unaccepted > junior subjective synonym)
48. Species Anculosa solida I. Lea, 1843 accepted as Elimia brevis (I. Lea, 1843) (junior synonym)
49. Species Anculosa squalida I. Lea, 1845 accepted as Lithasia salebrosa florentiana (I. Lea, 1841) (junior synonym)
50. Species Anculosa subglobosa (Say, 1825) accepted as Leptoxis praerosa (Say, 1821) (junior synonym)
51. Species Anculosa sulcata C. Goodrich, 1922 accepted as Leptoxis lirata (C. Goodrich, 1922) (unaccepted > junior subjective synonym)
52. Species Anculosa taeniata Conrad, 1834 accepted as Leptoxis picta (Conrad, 1834)
53. Species Anculosa tintinabulum C. Goodrich, 1940 accepted as Leptoxis praerosa (Say, 1821) (unaccepted > junior subjective synonym)
54. Species Anculosa tintinnabulum I. Lea, 1845 accepted as Leptoxis praerosa (Say, 1821) (junior synonym)
55. Species Anculosa torrefacta C. Goodrich, 1922 accepted as Leptoxis torrefacta (C. Goodrich, 1922) (unaccepted > superseded combination)
56. Species Anculosa troostiana I. Lea, 1841 accepted as Leptoxis dilatata (Conrad, 1835) (junior synonym)
57. Species Anculosa tryoni J. Lewis, 1871 accepted as Leptoxis praerosa (Say, 1821) (junior synonym)
58. Species Anculosa tuberculata I. Lea, 1841 accepted as Leptoxis plicata (Conrad, 1834) (junior synonym)
59. Species Anculosa turbinata I. Lea, 1861 accepted as Leptoxis crassa (Haldeman, 1842) accepted as Athearnia crassa (Haldeman, 1842) (junior synonym)
60. Species Anculosa turgida Haldeman, 1840 accepted as Leptoxis melanoides (Conrad, 1834) accepted as Elimia melanoides (Conrad, 1834) (junior synonym)
61. Species Anculosa umbilicata Wetherby, 1876 accepted as Leptoxis umbilicata (Wetherby, 1876) (original combination)
62. Species Anculosa variabilis I. Lea, 1841 accepted as Leptoxis carinata (Bruguière, 1789) (junior synonym)
63. Species Anculosa viridula J. G. Anthony, 1860 accepted as Leptoxis dilatata (Conrad, 1835) (junior synonym)
64. Species Anculosa vittata I. Lea, 1860 accepted as Leptoxis vittata (I. Lea, 1860) (original combination)
65. Species Anculosa zebra J. G. Anthony, 1860 accepted as Leptoxis foremani (I. Lea, 1843)
66. Species Anculosa contorta I. Lea, 1860 (uncertain > nomen dubium)
67. Species Anculosa ornata J. G. Anthony, 1860 (uncertain > nomen dubium)

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