1. Species Rhiostoma abletti Thach, 2016
2. Species Rhiostoma amarapuraense Tongkerd & Panha, 2023
3. Species Rhiostoma americanum G. D. Hanna, 1920 †
4. Species Rhiostoma anceyi Tongkerd & Inkhavilay, 2023
5. Species Rhiostoma asiphon Möllendorff, 1893
6. Species Rhiostoma breviocollar Tongkerd & S. Tumpeesuwan, 2023
7. Species Rhiostoma cambodjense (Morelet, 1875)
8. Species Rhiostoma cheliopegma Tongkerd & S. Tumpeesuwan, 2023
9. Species Rhiostoma cochinchinense (L. Pfeiffer, 1857)
10. Species Rhiostoma dalyi W. T. Blanford, 1902
11. Species Rhiostoma ebenozostera Tongkerd & Panha, 2023
12. Species Rhiostoma franzhuberi Thach, 2023
13. Species Rhiostoma furfurosum Tongkerd & Panha, 2023
14. Species Rhiostoma gnomus Tongkerd & Panha, 2023
15. Species Rhiostoma hainesi L. Pfeiffer, 1862
16. Species Rhiostoma haughtoni W. H. Benson, 1860
17. Species Rhiostoma houaphanhense Thach & F. Huber, 2023
18. Species Rhiostoma housei (Haines, 1855)
19. Species Rhiostoma jalorense Sykes, 1903
20. Species Rhiostoma khoratense Prasankok & Pimvichai, 2023
21. Species Rhiostoma lannaense Tongkerd & S. Tumpeesuwan, 2023
22. Species Rhiostoma laosense Tongkerd & Inkhavilay, 2023
23. Species Rhiostoma macalpinewoodsi Laidlaw, 1939
24. Species Rhiostoma marioni (Ancey, 1898)
25. Species Rhiostoma morleti Dautzenberg & H. Fischer, 1906
26. Species Rhiostoma nakwangense Prasankok & Pimvichai, 2023
27. Species Rhiostoma panhai Prasankok, 2023
28. Species Rhiostoma phunangense Prasankok & Pimvichai, 2023
29. Species Rhiostoma platymorpha Tongkerd & S. Tumpeesuwan, 2023
30. Species Rhiostoma prestoni (Bavay & Dautzenberg, 1909)
31. Species Rhiostoma rhothonotaphrosa Tongkerd & Panha, 2023
32. Species Rhiostoma samuiense Tomlin, 1932
33. Species Rhiostoma simplicilabre L. Pfeiffer, 1862
34. Species Rhiostoma strubelli Möllendorff, 1899
35. Species Rhiostoma thachi F. Huber, 2018
36. Species Rhiostoma tieni Thach, 2024
37. Species Rhiostoma tigrinum Tongkerd & S. Tumpeesuwan, 2023
38. Species Rhiostoma americana G. D. Hanna, 1920 † accepted as Rhiostoma americanum G. D. Hanna, 1920 † (unaccepted > incorrect grammatical agreement of specific epithet)
39. Species Rhiostoma battambangense Thach & F. Huber, 2020 accepted as Opisthoporus battambangensis (Thach & F. Huber, 2020) (unaccepted > superseded combination, basionym)
40. Species Rhiostoma battambangensis Thach & F. Huber, 2020 accepted as Rhiostoma battambangense Thach & F. Huber, 2020 accepted as Opisthoporus battambangensis (Thach & F. Huber, 2020) (wrong gender agreement of specific epithet)
41. Species Rhiostoma bernardii L. Pfeiffer, 1862 accepted as Opisthoporus bernardii (L. Pfeiffer, 1862) (original combination)
42. Species Rhiostoma boxalli Godwin-Austen, 1893 accepted as Cyclotus boxalli Godwin-Austen, 1889 (unaccepted > superseded combination, basionym)
43. Species Rhiostoma cavernae Godwin-Austen, 1889 accepted as Opisthoporus cavernae (Godwin-Austen, 1889) (original combination)
44. Species Rhiostoma christae Thach, 2016 accepted as Rhiostoma abletti Thach, 2016 (unaccepted > junior subjective synonym)
45. Species Rhiostoma chupingense Tomlin, 1938 accepted as Rhiostoma samuiense Tomlin, 1932 (unaccepted > junior subjective synonym)
46. Species Rhiostoma grohi Thach, 2020 accepted as Opisthoporus grohi (Thach, 2020) (unaccepted > superseded combination, basionym)
47. Species Rhiostoma gwendolenae Godwin-Austen, 1889 accepted as Cyclotus gwendolenae (Godwin-Austen, 1889) (original combination)
48. Species Rhiostoma herosae Thach & F. Huber, 2017 accepted as Opisthoporus herosae (Thach & F. Huber, 2017) (unaccepted > superseded combination, basionym)
49. Species Rhiostoma houaphanhensis Thach & F. Huber, 2023 accepted as Rhiostoma houaphanhense Thach & F. Huber, 2023 (unaccepted > incorrect grammatical agreement of specific epithet)
50. Species Rhiostoma huberi Thach, 2018 accepted as Rhiostoma jalorense Sykes, 1903 (unaccepted > junior subjective synonym)
51. Species Rhiostoma hungerfordi Godwin-Austen, 1889 accepted as Cyclotus hungerfordi (Godwin-Austen, 1889) (original combination)
52. Species Rhiostoma iris Godwin-Austen, 1889 accepted as Cyclotus iris (Godwin-Austen, 1889) (original combination)
53. Species Rhiostoma jousseaumei de Morgan, 1886 accepted as Pterocyclos jousseaumei (de Morgan, 1886) (unaccepted > superseded combination, basionym)
54. Species Rhiostoma macalpine-woodsi Laidlaw, 1939 accepted as Rhiostoma macalpinewoodsi Laidlaw, 1939 (hyphens are not accepted in speific epithet)
55. Species Rhiostoma ngocngai Thach & F. Huber, 2018 accepted as Opisthoporus ngocngai (Thach & F. Huber, 2018) (unaccepted > superseded combination, basionym)
56. Species Rhiostoma ngocthachi F. Huber, 2020 accepted as Opisthoporus ngocthachi (F. Huber, 2020) (unaccepted > superseded combination, basionym)
57. Species Rhiostoma ninhbien D. S. Do, T. S. Nguyen & H. L. Do, 2020 accepted as Rhiostoma abletti Thach, 2016 (unaccepted > junior subjective synonym)
58. Species Rhiostoma ninhbinhense Thach & F. Huber, 2018 accepted as Opisthoporus herosae (Thach & F. Huber, 2017) (unaccepted > junior subjective synonym)
59. Species Rhiostoma ninhbinhensis Thach & F. Huber, 2018 accepted as Rhiostoma ninhbinhense Thach & F. Huber, 2018 accepted as Opisthoporus herosae (Thach & F. Huber, 2017) (wrong gender agreement of specific epithet)
60. Species Rhiostoma smithi Bartsch, 1932 accepted as Rhiostoma hainesi L. Pfeiffer, 1862 (unaccepted > junior subjective synonym)
61. Species Rhiostoma spaleotes Tomlin, 1931 accepted as Pterocyclos spelaeotes (Tomlin, 1931) (incorrect subsequent spelling and unaccepted combination)
62. Species Rhiostoma spelaeotes Tomlin, 1931 accepted as Pterocyclos spelaeotes (Tomlin, 1931) (original combination)
63. Species Rhiostoma thorsengi Thach, 2020 accepted as Opisthoporus thorsengi (Thach, 2020) (unaccepted > superseded combination, basionym)
64. Species Rhiostoma tigrina Tongkerd & S. Tumpeesuwan, 2023 accepted as Rhiostoma tigrinum Tongkerd & S. Tumpeesuwan, 2023 (unaccepted > incorrect grammatical agreement of specific epithet)
65. Species Rhiostoma tomlini A. E. Salisbury, 1949 accepted as Rhiostoma hainesi L. Pfeiffer, 1862 (unaccepted > junior subjective synonym)

 The webpage text is licensed under a Creative Commons Attribution 4.0 License