Bos

Hippopotamus

Pakicetus

Rhodocetus

Artiocetus

Qaisracetus

Ambulocetus

Remingtoncetus

Dalanistes

Protocetus

Georgiacetus

Babiacetus

Eocetus

Gaviacetus

Mysticeti

Odontoceti

Zygorhiza

Chrysocetus

Dorudon

Saghacetus

Basilosaurus