Archaeoceti

Ambulocetus mammal walking, white background

Ambulocetus mammal swimming, white background

Ambulocetus mammal, white background

Ambulocetus mammal, front view

Ambulocetus hunting black-backed butterflyfish

Ambulocetus catching fish in prehistoric waters

Ambulocetus natans, an early cetacean that lived in the ?

A prehistoric whale, Georgiacetus vogtlensis, catching fish

Early whale skull of Pakicetus inachus