| Family | Genus | Species |
|---|---|---|
| Carettochelyidae | 1 | 1 |
| Chelidae | 16 | 73 |
| Cheloniidae | 5 | 14 |
| Chelydridae | 2 | 5 |
| Dermatemydidae | 1 | 1 |
| Dermochelyidae | 1 | 1 |
| Emydidae | 12 | 67 |
| Geoemydidae | 23 | 107 |
| Kinosternidae | 5 | 31 |
| Pelomedusidae | 2 | 33 |
| Platysternidae | 1 | 1 |
| Podocnemididae | 3 | 9 |
| Testudinidae | 19 | 83 |
| Trionychidae | 13 | 52 |