1. Species Trypanostoma affine I. Lea, 1864 accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
2. Species Trypanostoma alabamense I. Lea, 1862 accepted as Pleurocera canaliculata alabamensis (I. Lea, 1862) accepted as Pleurocera canaliculata (Say, 1821) (original combination)
3. Species Trypanostoma anthonyi I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
4. Species Trypanostoma attenuatum I. Lea, 1862 accepted as Pleurocera attenuata (I. Lea, 1862) (unaccepted > superseded combination)
5. Species Trypanostoma bivittatum I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
6. Species Trypanostoma canalitium I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
7. Species Trypanostoma carinatum I. Lea, 1864 accepted as Pleurocera uncialis (Haldeman, 1842) (junior synonym)
8. Species Trypanostoma carolinense I. Lea, 1862 accepted as Pleurocera parva (I. Lea, 1862) (junior synonym)
9. Species Trypanostoma castaneum I. Lea, 1868 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
10. Species Trypanostoma chakasahaense I. Lea, 1862 accepted as Pleurocera vestita (Conrad, 1834) (junior synonym)
11. Species Trypanostoma chakasahaensis I. Lea, 1862 accepted as Trypanostoma chakasahaense I. Lea, 1862 accepted as Pleurocera vestita (Conrad, 1834) (incorrect gender ending)
12. Species Trypanostoma christyi I. Lea, 1862 accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
13. Species Trypanostoma cinctum I. Lea, 1864 accepted as Pleurocera canaliculata undulata (Say, 1829) accepted as Pleurocera canaliculata (Say, 1821) (unaccepted > junior subjective synonym)
14. Species Trypanostoma clarkii I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
15. Species Trypanostoma corneum I. Lea, 1864 accepted as Pleurocera canaliculata (Say, 1821)
16. Species Trypanostoma currieranum I. Lea, 1863 accepted as Pleurocera currierana (I. Lea, 1863) accepted as Pleurocera brumbyi (I. Lea, 1852)
17. Species Trypanostoma curtatum I. Lea, 1863 accepted as Pleurocera canaliculata (Say, 1821)
18. Species Trypanostoma cylindraceum I. Lea, 1864 accepted as Pleurocera curta roanensis (I. Lea, 1864) accepted as Pleurocera picta (I. Lea, 1841) (junior synonym)
19. Species Trypanostoma dignum I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
20. Species Trypanostoma dux I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
21. Species Trypanostoma estabrookii I. Lea, 1862 accepted as Pleurocera uncialis (Haldeman, 1842) (junior synonym)
22. Species Trypanostoma florencense I. Lea, 1862 accepted as Pleurocera canaliculata excurata (Conrad, 1834) accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
23. Species Trypanostoma florense Goodrich, 1940 accepted as Pleurocera canaliculata excurata (Conrad, 1834) accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
24. Species Trypanostoma hartmanii I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
25. Species Trypanostoma henryanum I. Lea, 1862 accepted as Pleurocera uncialis (Haldeman, 1842) (junior synonym)
26. Species Trypanostoma incurvum I. Lea, 1862 accepted as Pleurocera trochiformis (Conrad, 1834) (junior synonym)
27. Species Trypanostoma jayi I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
28. Species Trypanostoma knoxense I. Lea, 1862 accepted as Pleurocera parva (I. Lea, 1862) (junior synonym)
29. Species Trypanostoma knoxvillense I. Lea, 1862 accepted as Pleurocera uncialis (Haldeman, 1842) (junior synonym)
30. Species Trypanostoma labiatum I. Lea, 1862 accepted as Pleurocera acuta Rafinesque, 1824 (junior synonym)
31. Species Trypanostoma lativittatum I. Lea, 1862 accepted as Pleurocera vestita (Conrad, 1834) (junior synonym)
32. Species Trypanostoma lesleyi I. Lea, 1864 accepted as Pleurocera alveare (Conrad, 1834) (junior synonym)
33. Species Trypanostoma lewisii I. Lea, 1862 accepted as Pleurocera acuta lewisii (I. Lea, 1862) accepted as Pleurocera acuta Rafinesque, 1824 (original combination)
34. Species Trypanostoma ligatum I. Lea, 1862 accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
35. Species Trypanostoma luteum I. Lea, 1862 accepted as Pleurocera parva (I. Lea, 1862) (junior synonym)
36. Species Trypanostoma lyonii I. Lea, 1863 accepted as Elimia ebenum (I. Lea, 1841) (unaccepted > junior subjective synonym)
37. Species Trypanostoma minor I. Lea, 1862 accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
38. Species Trypanostoma modestum I. Lea, 1862 accepted as Pleurocera parva (I. Lea, 1862) (junior synonym)
39. Species Trypanostoma moniliferum I. Lea, 1862 accepted as Pleurocera canaliculata excurata (Conrad, 1834) accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
40. Species Trypanostoma moriforme I. Lea, 1862 accepted as Pleurocera showalterii (I. Lea, 1862) (a justified emendation of T. moriformi; junior synonym)
41. Species Trypanostoma moriformi I. Lea, 1862 accepted as Trypanostoma moriforme I. Lea, 1862 accepted as Pleurocera showalterii (I. Lea, 1862) (junior synonym)
42. Species Trypanostoma napoideum I. Lea, 1864 accepted as Pleurocera picta (I. Lea, 1841) (junior synonym)
43. Species Trypanostoma nuciforme I. Lea, 1868 accepted as Elimia modesta (I. Lea, 1845)
44. Species Trypanostoma olivaceum I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
45. Species Trypanostoma pallidum I. Lea, 1862 accepted as Pleurocera acuta Rafinesque, 1824 (junior synonym)
46. Species Trypanostoma parvum I. Lea, 1862 accepted as Pleurocera parva (I. Lea, 1862) (original combination)
47. Species Trypanostoma postelli I. Lea, 1862 accepted as Pleurocera postelli (I. Lea, 1862) accepted as Pleurocera postellii (I. Lea, 1862) (junior synonym)
48. Species Trypanostoma postellii I. Lea, 1862 accepted as Pleurocera postellii (I. Lea, 1862)
49. Species Trypanostoma pumilum I. Lea, 1862 accepted as Pleurocera picta (I. Lea, 1841) (junior synonym)
50. Species Trypanostoma pybasii I. Lea, 1862 accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
51. Species Trypanostoma roanense I. Lea, 1864 accepted as Pleurocera curta roanensis (I. Lea, 1864) accepted as Pleurocera picta (I. Lea, 1841) (original combination)
52. Species Trypanostoma rostellatum I. Lea, 1862 accepted as Pleurocera canaliculata alabamensis (I. Lea, 1862) accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
53. Species Trypanostoma showalterii I. Lea, 1862 accepted as Pleurocera showalterii (I. Lea, 1862) (junior synonym)
54. Species Trypanostoma simplex I. Lea, 1862 accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
55. Species Trypanostoma spillmanii I. Lea, 1862 accepted as Pleurocera vestita (Conrad, 1834) (junior synonym)
56. Species Trypanostoma striatum I. Lea, 1862 accepted as Pleurocera striata (I. Lea, 1862) (junior synonym)
57. Species Trypanostoma strictum I. Lea, 1862 accepted as Pleurocera parva (I. Lea, 1862) (junior synonym)
58. Species Trypanostoma subrobustum I. Lea, 1864 accepted as Pleurocera canaliculata undulata (Say, 1829) accepted as Pleurocera canaliculata (Say, 1821) (unaccepted > junior subjective synonym)
59. Species Trypanostoma subulaeforme I. Lea, 1862 accepted as Pleurocera uncialis (Haldeman, 1842) (junior synonym)
60. Species Trypanostoma sycamorense I. Lea, 1862 accepted as Pleurocera uncialis (Haldeman, 1842) (junior synonym)
61. Species Trypanostoma tennesseense I. Lea, 1862 accepted as Lithasia obovata (Say, 1829) (junior synonym)
62. Species Trypanostoma terebrale I. Lea, 1868 accepted as Pleurocera brumbyi (I. Lea, 1852) (junior synonym)
63. Species Trypanostoma thorntonii I. Lea, 1862 accepted as Pleurocera canaliculata undulata (Say, 1829) accepted as Pleurocera canaliculata (Say, 1821) (junior synonym; a justified emendation of T. thortonii by Lea (1863))
64. Species Trypanostoma thortonii I. Lea, 1862 accepted as Pleurocera canaliculata undulata (Say, 1829) accepted as Pleurocera canaliculata (Say, 1821) (incorrect original spelling of Trypanostoma thorntonii I. Lea, 1862)
65. Species Trypanostoma tortum I. Lea, 1862 accepted as Elimia viennaensis (I. Lea, 1862) (a secondary homonym of Melania torta I. Lea, 1845; Pleurocera parkeri Tryon, 1873 is a replacement name )
66. Species Trypanostoma toumeyi [sic] accepted as Trypanostoma tuomeyi I. Lea, 1862 accepted as Pleurocera canaliculata undulata (Say, 1829) accepted as Pleurocera canaliculata (Say, 1821) (unaccepted > misspelling)
67. Species Trypanostoma trivittatum I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
68. Species Trypanostoma trochulus I. Lea, 1862 accepted as Pleurocera picta (I. Lea, 1841) (junior synonym)
69. Species Trypanostoma troostii I. Lea, 1862 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
70. Species Trypanostoma tuomeyi I. Lea, 1862 accepted as Pleurocera canaliculata undulata (Say, 1829) accepted as Pleurocera canaliculata (Say, 1821) (unaccepted > junior subjective synonym)
71. Species Trypanostoma univittata I. Lea, 1864 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
72. Species Trypanostoma vanuxemii I. Lea, 1862 accepted as Pleurocera parva (I. Lea, 1862) (junior synonym)
73. Species Trypanostoma venustum I. Lea, 1864 accepted as Pleurocera vestita (Conrad, 1834) (junior synonym)
74. Species Trypanostoma viride I. Lea, 1862 accepted as Pleurocera canaliculata (Say, 1821) (junior synonym)
75. Species Trypanostoma wheatleyi I. Lea, 1868 accepted as Pleurocera prasinata (Conrad, 1834) (junior synonym)
76. Species Trypanostoma whitei I. Lea, 1862 accepted as Pleurocera vestita (Conrad, 1834) (junior synonym)
77. Species Trypanostoma ornata Nicolas, 1891 † (uncertain > taxon inquirendum)

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