1. Species Radiodiscus amoenus (Thiele, 1927)
2. Species Radiodiscus andium Pilsbry, 1944
3. Species Radiodiscus australis Hylton Scott, 1970
4. Species Radiodiscus bactricolus (Guppy, 1868)
5. Species Radiodiscus bequaerti Florez, 1968
6. Species Radiodiscus coarctatus Hylton Scott, 1979
7. Species Radiodiscus compactus (Suter, 1900)
8. Species Radiodiscus coppingeri (E. A. Smith, 1881)
9. Species Radiodiscus costellifer Hylton Scott, 1957
10. Species Radiodiscus crenulatus Hylton Scott, 1963
11. Species Radiodiscus cuprinus Fonseca & Thomé, 2000
12. Species Radiodiscus ditzleri H. B. Baker, 1925
13. Species Radiodiscus flammulatus Hylton Scott, 1975
14. Species Radiodiscus florezi Weyrauch, 1965
15. Species Radiodiscus giganteus Weyrauch, 1958
16. Species Radiodiscus goeldii (Thiele, 1927)
17. Species Radiodiscus golbachi Weyrauch, 1965
18. Species Radiodiscus hollidayi Rutherford, 2020
19. Species Radiodiscus iheringi (Ancey, 1899)
20. Species Radiodiscus lateumbilicatus Weyrauch, 1966
21. Species Radiodiscus magellanicus (E. A. Smith, 1881)
22. Species Radiodiscus mariae Pilsbry, 1921
23. Species Radiodiscus microhelix F. Haas, 1951
24. Species Radiodiscus millecostatus Pilsbry & Ferriss, 1906
25. Species Radiodiscus patagonicus (Suter, 1900)
26. Species Radiodiscus peruvianus Crawford, 1939
27. Species Radiodiscus proameri H. B. Baker, 1930
28. Species Radiodiscus promatensis Miquel, Ramírez & Thomé, 2004
29. Species Radiodiscus quillajicola Vargas-Almonacid, 2000
30. Species Radiodiscus riochicoensis Crawford, 1939
31. Species Radiodiscus sanchicoensis Miquel, Ramirez & Thomé, 2007
32. Species Radiodiscus santacrucensis L. S. Morton, 1999 †
33. Species Radiodiscus tenellus Hylton Scott, 1957
34. Species Radiodiscus thomei Weyrauch, 1965
35. Species Radiodiscus titicacensis Hylton Scott, 1957
36. Species Radiodiscus ubtaoi Salvador, Charles, Simone & Maestrati, 2018
37. Species Radiodiscus vazi Fonseca & Thomé, 1994
38. Subgenus Radiodiscus (Radioconus) H. B. Baker, 1927 accepted as Radioconus H. B. Baker, 1927 (unaccepted combination)
    1. Species Radiodiscus (Radioconus) microhelix F. Haas, 1951 accepted as Radiodiscus microhelix F. Haas, 1951 (original combination)
39. Subgenus Radiodiscus (Radiodiscus) Pilsbry, 1906 accepted as Radiodiscus Pilsbry, 1906
    1. Species Radiodiscus (Radiodiscus) millicostatus Pilsbry & Ferriss, 1906 accepted as Radiodiscus (Radiodiscus) millecostatus Pilsbry & Ferriss, 1906 represented as Radiodiscus millecostatus Pilsbry & Ferriss, 1906
    2. Species Radiodiscus (Radiodiscus) proameri H. B. Baker, 1930 accepted as Radiodiscus proameri H. B. Baker, 1930
    3. Species Radiodiscus (Radiodiscus) millecostatus Pilsbry & Ferriss, 1906 represented as Radiodiscus millecostatus Pilsbry & Ferriss, 1906
40. Subgenus Radiodiscus (Radiodomus) H. B. Baker, 1930 accepted as Radiodomus H. B. Baker, 1930 (unaccepted > superseded rank)
    1. Species Radiodiscus (Radiodomus) abietum H. B. Baker, 1930 accepted as Radiodomus abietum (H. B. Baker, 1930) (unaccepted > superseded combination)
41. Species Radiodiscus abietum H. B. Baker, 1930 accepted as Radiodomus abietum (H. B. Baker, 1930)
42. Species Radiodiscus bolachaensis Fonseca & Thomé, 1994 accepted as Radiodiscus compactus (Suter, 1900) (unnecessary replacement name for Radiodiscus jheringi (Thiele, 1927), supposedly secondary homonym of R. iheringi (Ancey, 1899), but both species names differ in spelling)
43. Species Radiodiscus hubrichti B. A. Branson, 1975 accepted as Striatura pugetensis (Dall, 1895) (unaccepted > junior subjective synonym)
44. Species Radiodiscus katiae Hylton Scott, 1948 accepted as Radiodiscus compactus (Suter, 1900) (junior synonym)
45. Species Radiodiscus kuscheli Hylton Scott, 1957 accepted as Glabrogyra kuscheli (Hylton Scott, 1957) (original combination)
46. Species Radiodiscus millicostatus Pilsbry & Ferriss, 1906 accepted as Radiodiscus millecostatus Pilsbry & Ferriss, 1906 (incorrect subsequent spelling)
47. Species Radiodiscus misiollemis Hylton Scott, 1957 accepted as Radiodiscus pilsbryi Hylton Scott, 1957 accepted as Paralaoma servilis (Shuttleworth, 1852) (junior synonym)
48. Species Radiodiscus misionensis Hylton Scott, 1957 accepted as Paralaoma servilis (Shuttleworth, 1852) (junior subjective synonym)
49. Species Radiodiscus pilsbryi Hylton Scott, 1957 accepted as Paralaoma servilis (Shuttleworth, 1852) (junior subjective synonym)
50. Species Radiodiscus sanrafaelensis Turazzini & Miquel, 2014 † accepted as Charopatagonia sanrafaelensis (Turazzini & Miquel, 2014) † (unaccepted > superseded combination)
51. Species Radiodiscus tenellus Hylton Scott, 1958 accepted as Radiodiscus compactus (Suter, 1900) (junior synonym)
52. Species Radiodiscus villarricensis Miquel & G. M. Barker, 2009 accepted as Charopatagonia villarricensis (Miquel & G. M. Barker, 2009) (unaccepted > superseded combination)
53. Species Radiodiscus wigodzinskyi Weyrauch, 1965 accepted as Radiodiscus compactus (Suter, 1900) (junior synonym)
54. Species Radiodiscus bryophila (R. A. Philippi, 1855) (uncertain > nomen dubium)
55. Species Radiodiscus corticaria (R. A. Philippi, 1855) (uncertain > nomen dubium)
56. Species Radiodiscus exiguus (R. A. Philippi, 1855) (uncertain > nomen dubium)
57. Species Radiodiscus hypophloea (R. A. Philippi, 1855) (uncertain > nomen dubium)
58. Species Radiodiscus muscicola (R. A. Philippi, 1855) (uncertain > nomen dubium)

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