Reconstruction of Basilosaurus cetoides with the goal of being less shrinkwrapped than common used ones. Dominik Hammelsbruch / CC BY-SA 4.0
Basilosaurus cetoides lived in the prehistoric Tethys Ocean. As landmasses shifted and moved, this area became the modern-day Indian Ocean and Atlantic Ocean.
Editorial Use Only. Frankfurt German July 27th 2019: The fossil of dorudon atrox in Naturmuseum Senckenberg. It is a genus of extinct basilosaurid ancient whales that lived alongside Basilosaurus in the Eocene.
The oldest evidence of the Basilosaurus dates to around 33.9 million years ago.