AllosauriaAllosauridaeAllosauroideaAverostraAvetheropodaCarnosauriaDinosauriaEusaurischiaLate JurassicNeotheropodaNorth AmericaOrionidesSaurischiaTetanuraeTheropoda

Allosaurus fragilis

Dinosaur: Allosaurus fragilis

Type: Theropod

Length*: 9.5 m 31.2 ft
Weight*: 2.2 tons 4,850 lb
*The largest known specimen

ESR: 4 / 4 (estimated size reliability)


Material: Many skeletons also with skulls (juvenile and adult).
References: Madsen, J.H.Jr. (1993) [1976]. Allosaurus fragilis: A Revised Osteology.Paul, G.S. (1988). "Genus Allosaurus". Predatory Dinosaurs of the World.Glut, Donald F. (1997). "Allosaurus". Dinosaurs: The Encyclopedia.


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