Noun
English Wikipedia has an article on:basilosaurusWikipedia
basilosaurus (plural basilosauruses)
Any species of several very large extinct cetaceans belonging to the genus †Basilosaurus, of the family †Basilosauridae, from the late Eocene. the two species in the genus B.isis (found in Egypt and Tunisia) and B. cetoides (found in the southern and eastern US).
Development Ancestors The direct ancestors of today's cetaceans are probably found within the Dorudontidae whose most famous member, Dorudon atrox, lived at the same time as Basilosaurus. Source: Internet
Basilosaurus (a whale, despite the name) The Paleocene ranged from 65 million to 55 million years ago. Source: Internet
Basilosaurus The Paleocene ranged from 65 million to 55 million years ago. Source: Internet
Mammals like Andrewsarchus were now at the top of the food-chain and sharks were replaced by whales such as Basilosaurus as rulers of the seas. Source: Internet
The authors suggest Basilosaurus as a candidate, or possibly Remingtoncetids. Source: Internet
The Wadi Al-Hitan ("Whale Valley") in Egypt contains numerous skeletons of Basilosaurus, as well as other marine vertebrates. Source: Internet