| Pseudemys scripta subsp. gaigeae Hartweg, 1939 |
| Pseudemys scripta subsp. hartwegi Legler, 1990 |
| Pseudemys scripta subsp. hiltoni Carr, 1942 |
| Pseudemys scripta subsp. ornata (Gray, 1831) |
| Pseudemys scripta subsp. taylori Legler, 1960 |
| Pseudemys scripta subsp. yaquia Legler & Webb, 1970 |
| Ptychemys Agassiz, 1857 |
| Pyxidemys Fitzinger, 1835 |
| Redamia Gray, 1870 |
| Terrapene Merrem, 1820 |
| Terrapene carolina (Linnaeus, 1758) |
| Terrapene carolina subsp. carolina (Linnaeus, 1758) |
| Terrapene carolina subsp. mexicana (Gray, 1849) |
| Terrapene carolina subsp. yucatana (Boulenger, 1895) |
| Terrapene coahuila Schmidt & Owens, 1944 |
| Terrapene goldmani Stejneger, 1933 |
| Terrapene klauberi Bogert, 1943 |
| Terrapene mexicana (Gray, 1849) |
| Terrapene mexicana subsp. yucatana (Boulenger, 1895) |
| Terrapene nelsoni Stejneger, 1925 |