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Temporal range: Middle Jurassic, 170 Ma
Duriavenator hesperis.jpg
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Family: Megalosauridae
Subfamily: Megalosaurinae
Genus: Duriavenator
Benson, 2008
Species: D. hesperis
Binomial name
Duriavenator hesperis
(Waldman, 1974 [originally Megalosaurus])

Megalosaurus hesperis Waldman, 1974

Artist's rendering

Duriavenator is a genus of theropod dinosaur described in 2008 by Roger Benson; its finds were excavated in England. The type species is D. hesperis, formerly known as Megalosaurus hesperis.[1] Duriavenator lived during the Bajocian stage, around 170 million years ago, making it one of the oldest-known tetanurans. The genus name combines the Latin name of Dorset, Duria, with Latin for "hunter", venator.[2] This genus has also gone under the unofficial name "Walkersaurus", which is a nomen nudum.