| Family | Genus | Species |
|---|---|---|
| Antilocapridae | 1 | 1 |
| Balaenidae | 2 | 4 |
| Balaenopteridae | 2 | 13 |
| Bovidae | 59 | 250 |
| Camelidae | 4 | 18 |
| Cervidae | 27 | 174 |
| Delphinidae | 19 | 90 |
| Eschrichtiidae | 1 | 1 |
| Giraffidae | 2 | 7 |
| Hippopotamidae | 2 | 4 |
| Iniidae | 1 | 4 |
| Lipotidae | 1 | 1 |
| Monodontidae | 2 | 2 |
| Moschidae | 1 | 14 |
| Neobalaenidae | 1 | 1 |
| Phocoenidae | 4 | 11 |
| Physeteridae | 2 | 3 |
| Platanistidae | 1 | 3 |
| Pontoporiidae | 1 | 1 |
| Suidae | 6 | 27 |
| Tayassuidae | 5 | 5 |
| Tragulidae | 3 | 9 |
| Ziphiidae | 6 | 26 |