Dinosaurus

Dinosaurus
Temporal range: ~
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Genus: †Dinosaurus
Fischer, 1847
Species:
†D. murchisonii
Binomial name
†Dinosaurus murchisonii
(Fischer, 1845)
This article is about the therapsid genus. For the group of animals, see Dinosaur. For the film, see Dinosaurus! For the temnospondyl amphibian, see Dvinosaurus.

Dinosaurus is an extinct genus of therapsid of controversial affinities. Its type and only species is Dinosaurus murchisonii. It is only known from a partial snout from the Permian of Russia. Its taxonomic history is intertwined with several other poorly-known Russian therapsids, particularly Rhopalodon, Brithopus, and Phthinosuchus.

Dinosaurus is not a dinosaur; the similarity in names is coincidental. Dinosaurs belong to the clade Dinosauria, a clade of reptiles, whereas Dinosaurus is a therapsid, and as such, more closely related to mammals. Dinosauria was named only five years prior to Dinosaurus, in 1842.

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