1. Species Aperostoma (Aperostoma) agassizi Bartsch & J. P. E. Morrison, 1942 accepted as Neocyclotus agassizi (Bartsch & J. P. E. Morrison, 1942) (original name)
2. Species Aperostoma (Aperostoma) brujense Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma duffianum (C. B. Adams, 1845) (unaccepted > junior subjective synonym)
3. Species Aperostoma (Aperostoma) confusum Sykes, 1901 accepted as Incidostoma confusum (Sykes, 1901)
4. Species Aperostoma (Aperostoma) dunkeri (L. Pfeiffer, 1857) accepted as Incidostoma dunkeri (L. Pfeiffer, 1857) (unaccepted > superseded combination)
5. Species Aperostoma (Aperostoma) ecuadorense Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma ecuadorense (Bartsch & J. P. E. Morrison, 1942) (original combination)
6. Species Aperostoma (Aperostoma) exiguum Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma exiguum (Bartsch & J. P. E. Morrison, 1942) (unaccepted > superseded combination)
7. Species Aperostoma (Aperostoma) manabense Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma manabense (Bartsch & J. P. E. Morrison, 1942) (original combination)
8. Species Aperostoma (Aperostoma) masvense Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma masvense (Bartsch & J. P. E. Morrison, 1942) (original combination)
9. Species Aperostoma (Aperostoma) nanum Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma nanum (P. Bartsch & J. P. E. Morrison, 1942) (unaccepted > superseded combination)
10. Species Aperostoma (Aperostoma) olivaceum Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma quitense (L. Pfeiffer, 1852) (unaccepted > junior subjective synonym)
11. Species Aperostoma (Aperostoma) pailaense Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma pailaense (Bartsch & J. P. E. Morrison, 1942) (original combination)
12. Species Aperostoma (Aperostoma) pazi (Crosse, 1866) accepted as Incidostoma pazi (Crosse, 1866) (unaccepted > superseded combination)
13. Species Aperostoma (Aperostoma) perezi (Hidalgo, 1866) accepted as Incidostoma perezi (Hidalgo, 1866) (unaccepted > superseded combination)
14. Species Aperostoma (Aperostoma) popayanum (I. Lea, 1838) accepted as Incidostoma popayanum (I. Lea, 1838) (unaccepted > superseded combination)
15. Species Aperostoma (Aperostoma) portobellense Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma portobellense (Bartsch & J. P. E. Morrison, 1942) (original combination)
16. Species Aperostoma (Aperostoma) salengoense Bartsch & J. P. E. Morrison, 1942 accepted as Incidostoma salengoense (Bartsch & J. P. E. Morrison, 1942) (original combination)
17. Species Aperostoma (Aperostoma) allantayum Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma allantayum Bartsch & J. P. E. Morrison, 1942
18. Species Aperostoma (Aperostoma) amazonense Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma amazonense Bartsch & J. P. E. Morrison, 1942
19. Species Aperostoma (Aperostoma) balsasense Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma balsasense Bartsch & J. P. E. Morrison, 1942
20. Species Aperostoma (Aperostoma) blanchetium (S. Moricand, 1826) represented as Aperostoma blanchetium (S. Moricand, 1826)
21. Species Aperostoma (Aperostoma) bogotense (L. Pfeiffer, 1855) represented as Aperostoma bogotense (L. Pfeiffer, 1855)
22. Species Aperostoma (Aperostoma) boliviense Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma boliviense Bartsch & J. P. E. Morrison, 1942
23. Species Aperostoma (Aperostoma) carmioli Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma carmioli Bartsch & J. P. E. Morrison, 1942
24. Species Aperostoma (Aperostoma) castaneum Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma castaneum Bartsch & J. P. E. Morrison, 1942
25. Species Aperostoma (Aperostoma) caucaense (S. I. Da Costa, 1901) represented as Aperostoma caucaense (S. I. Da Costa, 1901)
26. Species Aperostoma (Aperostoma) cingulatum (G. B. Sowerby I, 1843) represented as Aperostoma cingulatum (G. B. Sowerby I, 1843)
27. Species Aperostoma (Aperostoma) colombiense (S. I. Da Costa, 1901) represented as Aperostoma colombiense (S. I. Da Costa, 1901)
28. Species Aperostoma (Aperostoma) cumingi Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma cumingi Bartsch & J. P. E. Morrison, 1942
29. Species Aperostoma (Aperostoma) currani Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma currani Bartsch & J. P. E. Morrison, 1942
30. Species Aperostoma (Aperostoma) depressum (S. I. Da Costa, 1906) represented as Aperostoma depressum (S. I. Da Costa, 1906)
31. Species Aperostoma (Aperostoma) fasciatum (Kobelt, 1912) represented as Aperostoma fasciatum (Kobelt, 1912)
32. Species Aperostoma (Aperostoma) filoliratum (G. B. Sowerby III, 1892) represented as Aperostoma filoliratum (G. B. Sowerby III, 1892)
33. Species Aperostoma (Aperostoma) fischeri (Hidalgo, 1867) represented as Aperostoma fischeri (Hidalgo, 1867)
34. Species Aperostoma (Aperostoma) fultoni Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma fultoni Bartsch & J. P. E. Morrison, 1942
35. Species Aperostoma (Aperostoma) giganteum (Reeve, 1842) represented as Aperostoma giganteum (Reeve, 1842) accepted as Incidostoma giganteum (Reeve, 1842)
36. Species Aperostoma (Aperostoma) inca (A. d'Orbigny, 1835) represented as Aperostoma inca (A. d'Orbigny, 1835)
37. Species Aperostoma (Aperostoma) inconspicuum (G. B. Sowerby I, 1843) represented as Aperostoma inconspicuum (G. B. Sowerby I, 1843)
38. Species Aperostoma (Aperostoma) indecisum F. Haas, 1952 represented as Aperostoma indecisum F. Haas, 1952
39. Species Aperostoma (Aperostoma) laxatum (G. B. Sowerby I, 1850) represented as Aperostoma laxatum (G. B. Sowerby I, 1850)
40. Species Aperostoma (Aperostoma) leai Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma leai Bartsch & J. P. E. Morrison, 1942
41. Species Aperostoma (Aperostoma) merrilli Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma merrilli Bartsch & J. P. E. Morrison, 1942
42. Species Aperostoma (Aperostoma) mexicanum (Menke, 1830) represented as Aperostoma mexicanum (Menke, 1830)
43. Species Aperostoma (Aperostoma) nevadense Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma nevadense Bartsch & J. P. E. Morrison, 1942
44. Species Aperostoma (Aperostoma) paezense Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma paezense Bartsch & J. P. E. Morrison, 1942
45. Species Aperostoma (Aperostoma) paezicolum Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma paezicolum Bartsch & J. P. E. Morrison, 1942
46. Species Aperostoma (Aperostoma) peruense Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma peruense Bartsch & J. P. E. Morrison, 1942
47. Species Aperostoma (Aperostoma) peruvianum (Da Costa, 1906) represented as Aperostoma peruvianum (Da Costa, 1906)
48. Species Aperostoma (Aperostoma) pittieri (E. von Martens, 1900) represented as Aperostoma pittieri (E. von Martens, 1900) accepted as Incidostoma pittieri (E. von Martens, 1900)
49. Species Aperostoma (Aperostoma) redfieldi Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma redfieldi Bartsch & J. P. E. Morrison, 1942
50. Species Aperostoma (Aperostoma) schunkei F. Haas, 1955 represented as Aperostoma schunkei F. Haas, 1955
51. Species Aperostoma (Aperostoma) smile Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma smile Bartsch & J. P. E. Morrison, 1942
52. Species Aperostoma (Aperostoma) umbilicatum Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma umbilicatum Bartsch & J. P. E. Morrison, 1942
53. Species Aperostoma (Aperostoma) utriaense Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma utriaense Bartsch & J. P. E. Morrison, 1942
54. Species Aperostoma (Aperostoma) venezuelensis Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma venezuelensis Bartsch & J. P. E. Morrison, 1942
55. Species Aperostoma (Aperostoma) viridulum F. Haas, 1952 represented as Aperostoma viridulum F. Haas, 1952

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