Pronunciation: kar-KA-ro-DON-toe-SOR-us Meaning: Shark-toothed lizard Author/s: Stromer (1931) Synonyms: See below First Discovery: Bahariya, Egypt Chart Position: 124
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(Shark-toothed lizard from the Sahara)EtymologyCarcharodontosaurus is derived from "Carcharodon" (Greek "karkharo" jagged and "odon" tooth), the shark genus that includes the Great White (Carcharodon carcharias) and maybe the extinct Megalodon (Carcharodon megalodon), and the Greek "sauros" (lizard), so named because of its shark-like teeth.
The species epithet, saharicus, refers to its discovery in the Sahara desert.
DiscoveryThe first remains of Carcharodontosaurus saharicus were discovered by R. Markgraf in the Bahariya Formation, 2km from Ain Gedid on the western face of Gebel Harra, Egypt, in 1914, and when Stromer described them in 1931 he noticed the same characteristics in a couple of teeth (BSP 1922 X-46) that Charles Depéret and J. Savornin found in Algeria in 1924. The latter authors had named these teeth Megalosaurus saharicus in 1925 and later referred them to Dryptosaurus. However, Stromer realised that all of these remains represented a hitherto unknown theropod dinosaur that he named Carcharodontosaurus, though he did the honourable thing and retained the previous epithet. Unfortunately, the original remains (holotype BSP 1922 X-46), including a partial skull, teeth, vertebrae, claw bones and assorted hip and leg bones were all destroyed during WWII allied bombing raids on Munich in 1944. But Sereno found a very large, nearly complete skull (SGM Din-1) in the Kem Kem Formation of Morocco's Sahara Dessert in 1995 that was designated as neotype. Further remains from the Echkar Formation of Niger were assigned to a second species, Carcharodontosaurus iguidensis, by Stephen Brusatte and Paul Sereno in December 2007 based on its more modest size and features of its upper jaw and braincase.