Saghacetus is an extinct genus of basilosaurid early whale, fossils of which have been found in the Upper Eocene Qasr el Sagha Formation, Egypt.
Mandible from Dames 1894, the type specimen
Dorudon is a genus of extinct basilosaurid ancient whales that lived alongside Basilosaurus 41.03 to 33.9 million years ago in the Eocene. It was a small whale, with D. atrox measuring 5 metres long a
Saghacetus
…13 ft) in length and 350–379 kg (772–836 lb) in body mass. It was smaller than its contemporary Stromerius, both of which are smaller than the older Dorudon…
Dorudon atrox Senckenberg
Virtually complete Dorudon atrox skeleton excavated at Wadi El Hitan, displayed at the University of Michigan museum
Dorudon hind limbs, at Smithsonian Natural History Museum, Washington, D.C.