| A (1 species) |
| Artiocetus - early Lutetian |
| B (1 species) |
| Babiacetus - Middle Eocene |
| C (1 species) |
| Carolinacetus - Middle Eocene |
| D (0 species) |
| E (1 species) |
| Eocetus - Middle Eocene |
| F (0 species) |
| G (2 species) |
| Gaviacetus - Middle Eocene |
| Georgiacetus - Middle Eocene |
| H (0 species) |
| I (1 species) |
| Indocetus - Middle Eocene |
| J (0 species) |
| K (1 species) |
| Kharodacetus - Middle Eocene, 42 Ma |
| L (0 species) |
| M (2 species) |
| Maiacetus - Middle Eocene |
| Makaracetus - Early Middle Eocene |
| N (1 species) |
| Natchitochia - Middle Eocene |
| O (0 species) |
| P (2 species) |
| Pappocetus - Eocene |
| Protocetus - Middle Eocene |
| Q (1 species) |
| Qaisracetus - Middle Eocene |
| R (1 species) |
| Rodhocetus - Lutetian |
| S (0 species) |
| T (2 species) |
| Takracetus - Middle Eocene |
| Togocetus - 46-44 Ma |
| U (0 species) |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (0 species) |