1. Species Sphenotus arcaeformis (J. Hall & Whitfield, 1869) †
2. Species Sphenotus cherokeensis Snider, 1915
3. Species Sphenotus clavulus (J. Hall & Whitfield, 1869) †
4. Species Sphenotus constrictus Girty, 1915 †
5. Species Sphenotus contractus (J. Hall, 1843) †
6. Species Sphenotus cultellus Girty, 1915 †
7. Species Sphenotus cuneatus (Conrad, 1838) †
8. Species Sphenotus gigantus R.-J. Zhang, 1977 †
9. Species Sphenotus meslerianus Girty, 1910 †
10. Species Sphenotus monroensis (Worthen, 1884) †
11. Species Sphenotus palmerae Caster, 1930 †
12. Species Sphenotus pisinnus R. D. Hoare, Heaney & Mapes, 1989 †
13. Species Sphenotus solenoides (J. Hall & Whitfield, 1869) †
14. Species Sphenotus subtortuosus (J. Hall & Whitfield, 1869) †
15. Species Sphenotus tiogensis McAlester, 1962 †
16. Species Sphenotus vulgaris Girty, 1915 †
17. Species Sphenotus washingtonensis Girty, 1910 †
18. Species Sphenotus yingtangensis Pojeta, R.-J. Zhang & Z.-Y. Yang, 1986 †
19. Species Sphenotus arcuatus J. Hall, 1885 † (uncertain > unassessed)
20. Species Sphenotus bodenbenderi J. M. Clarke, 1899 † (uncertain > unassessed)
21. Species Sphenotus carinatus Spriestersbach, 1915 † (uncertain > unassessed)
22. Species Sphenotus dubium Girty, 1910 † (uncertain > unassessed)
23. Species Sphenotus elongatus Spriestersbach, 1915 † (uncertain > unassessed)
24. Species Sphenotus gibsonense Snider, 1915 † (uncertain > unassessed)
25. Species Sphenotus gorceixi J. M. Clarke, 1899 † (uncertain > unassessed)
26. Species Sphenotus oklahomaense Snider, 1915 † (uncertain > unassessed)
27. Species Sphenotus quadriplicatum Snider, 1915 † (uncertain > unassessed)
28. Species Sphenotus signatus J. Hall, 1885 † (uncertain > unassessed)
29. Species Sphenotus spathulus Spriestersbach, 1915 † (uncertain > unassessed)
30. Species Sphenotus telamon J. Hall, 1885 † (uncertain > unassessed)
31. Species Sphenotus branneri Girty, 1910 † accepted as Permophorus branneri (Girty, 1910) † (unaccepted > superseded combination)
32. Species Sphenotus cherokeense Snider, 1915 † accepted as Sphenotus cherokeensis Snider, 1915 (unaccepted > incorrect grammatical agreement of specific epithet)
33. Species Sphenotus meslerianum Girty, 1910 † accepted as Sphenotus meslerianus Girty, 1910 † (unaccepted > incorrect grammatical agreement of specific epithet)
34. Species Sphenotus octocostatus Weller, 1916 † accepted as Permophorus octocostatus (Weller, 1916) † (unaccepted > superseded combination)
35. Species Sphenotus ratingensis Drevermann, 1902 † accepted as Pleurophorella ratingensis (Drevermann, 1902) † (unaccepted > superseded combination)
36. Species Sphenotus washingtonense Girty, 1910 † accepted as Sphenotus washingtonensis Girty, 1910 † (unaccepted > incorrect grammatical agreement of specific epithet)

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