1. Species Biradiolites cardenasensis Böse, 1906 †
2. Species Biradiolites dainellii Parona, 1911 †
3. Species Biradiolites foliacealaeformis Bøggild, 1930 †
4. Species Biradiolites pseudocornupastoris Bøggild, 1930 †
5. Species Biradiolites jamaicensis Trechmann, 1924 † accepted as Guanacastea jamaicensis (Trechmann, 1924) † (unaccepted > superseded combination)
6. Species Biradiolites potosianus Böse, 1906 † accepted as Biradiolites cardenasensis Böse, 1906 † (unaccepted > junior subjective synonym)
7. Species Biradiolites robinsoni Chubb, 1971 † accepted as Guanacastea jamaicensis (Trechmann, 1924) † (unaccepted > junior subjective synonym)
8. Species Biradiolites angulosissimus Toucas, 1909 † (uncertain > unassessed)
9. Species Biradiolites aquitanicus Toucas, 1909 † (uncertain > unassessed)
10. Species Biradiolites baylei Toucas, 1909 † (uncertain > unassessed)
11. Species Biradiolites beaussetensis Toucas, 1909 † (uncertain > unassessed)
12. Species Biradiolites boldjuanensis Bobkova, 1960 † (uncertain > unassessed)
13. Species Biradiolites canaliculatus A. d'Orbigny, 1850 † (uncertain > unassessed)
14. Species Biradiolites carezi Toucas, 1909 † (uncertain > unassessed)
15. Species Biradiolites chaperi Toucas, 1909 † (uncertain > unassessed)
16. Species Biradiolites collsensis Astre, 1932 † (uncertain > unassessed)
17. Species Biradiolites coquandi Toucas, 1909 † (uncertain > unassessed)
18. Species Biradiolites depressus Toucas, 1909 † (uncertain > unassessed)
19. Species Biradiolites heberti Toucas, 1909 † (uncertain > unassessed)
20. Species Biradiolites lacvivieri Toucas, 1909 † (uncertain > unassessed)
21. Species Biradiolites lameracensis Toucas, 1909 † (uncertain > unassessed)
22. Species Biradiolites leychertensis Toucas, 1909 † (uncertain > unassessed)
23. Species Biradiolites macgillavryi Vermunt, 1937 † (uncertain > unassessed)
24. Species Biradiolites orbignyi Toucas, 1909 † (uncertain > unassessed)
25. Species Biradiolites praefissicostatus Toucas, 1909 † (uncertain > unassessed)
26. Species Biradiolites praeingens Toucas, 1909 † (uncertain > unassessed)
27. Species Biradiolites sciosensis Toucas, 1909 † (uncertain > unassessed)
28. Species Biradiolites siracensis Toucas, 1909 † (uncertain > unassessed)
29. Species Biradiolites tschoppi Vermunt, 1937 † (uncertain > unassessed)
30. Species Biradiolites valbei Bobkova, 1974 † (uncertain > unassessed)

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