Basilosaurus cetoides skeleton - 15–20 m (49–66 ft) - Basliosaurus (sometimes called Zeuglodon) was a large, predatory, prehistoric archaeocete whale from the late Eocene, approximately 41.3 to 33.9 million years ago. The Basilosauridae family went extinct at the end of the Eocene, leaving no descendants — modern cetaceans evolved from different land dwelling mammals.
Basilosaurus, unlike modern cetaceans, had various types of teeth – such as canines and molars – in its mouth (heterodonty), and it probably was able to chew its food in contrast to modern cetaceans which swallow their food whole.
Basilosaurus fossils have been found in Arkansas, Alabama, Mississippi, Louisiana, Georgia, Morocco, Egypt, Jordan, Tunisia New Zealand, and Antarctica
