Reptilia - Dinosauria - Tyrannosauridae

Full reference: L. M. Lambe. 1914. On a new genus and species of carnivorous dinosaur from the Belly River Formation of Alberta, with a description of the skull of Stephanosaurus marginatus from the same horizon. The Ottawa Naturalist 28:13-20

Parent taxon: Albertosaurinae according to T. R. Holtz 2004

Sister taxa: none

Subtaxa: Gorgosaurus libratus

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Ecology: ground dwelling carnivore