网页Basilosaurus is a genus of prehistoric archaeocete whale from the late Eocene, about 41.3 to 33.9 million years ago. It was one of the largest and earliest fully aquatic cetaceans, with heterodont teeth and a serpent-like body.
网页Basilosaurus was a primitive whale that lived in the Eocene Epoch, with a long skull and a slender body. It belonged to the family Basilosauridae, which also includes other ancient marine reptiles and whales.
网页Museum display of a Basilosaurus skeleton. Wikimedia Commons. Unusually for a prehistoric whale, Basilosaurus was sleek and eel-like, measuring up to 65 feet long …
网页2015年3月22日 · Basilosaurus has an important place in the study of whale evolution. In addition to being the first primitive whale identified, Basilosaurus was the first true whale that was an obligate aquatic animal.