AllosauriaAllosauridaeAllosauroideaAverostraAvetheropodaCarnosauriaDinosauriaEusaurischiaLate JurassicNeotheropodaNorth AmericaOrionidesSaurischiaTetanuraeTheropoda

Creosaurus atrox

Dinosaur: Creosaurus atrox

Jurassic: 149.2–145 Ma
Type: Theropod

Length*:6.1 m20.0 ft
Weight*:600 kg1,323 lb
ESR: 3 / 4 (estimated size reliability)
*The largest known specimen


Period

Epoch: Late Jurassic
Stage: Tithonian
Years: 149.2–145 Ma

Details

Status: nomen dubium
Author: Marsh
Year: 1878

Distribution

Area: North America
Country: USA
Region: Wyoming
Formation: Morrison


Sources

Material: Partial skeleton with incomplete skull.
References: Mortimer - Theropod database (online).

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