- A large carnivorous amphibian (Ambulocetus natans, order Cetacea) of the Eocene epoch, an early ancestor of today’s whales.More example sentences
- Even more disturbing is the fact that fossils of Ambulocetus were found in strata at or above the stratigraphic levels where whale fossils were found.
- Then paleontologists working in Pakistan found the fossil of a 45-million year old whale named Ambulocetus that looked in life like a furry crocodile.
- Paleontologists have found complete skeletons of creatures such as the 45 million year old Ambulocetus.
1990s: modern Latin, from Latin ambulare 'to walk' + cetus 'whale'.