AllosauriaAllosauridaeAllosauroideaAverostraAvetheropodaCarnosauriaDinosauriaEusaurischiaLate JurassicNeotheropodaNorth AmericaOrionidesSaurischiaTetanuraeTheropoda

Allosaurus jimmadseni

Dinosaur: Allosaurus jimmadseni

Type: Theropod

Length*:7.6 m24.9 ft
Weight*:1.2 tons2,646 lb
Speed:34 km/h21 mph
ESR: 4 / 4 (estimated size reliability)
*The largest known specimen


Material: At least several individuals (include almost complete skeletons and skulls).
References: Chure, (2000). A new species of Allosaurus from the Morrison Formation of Dinosaur National Monument (Utah-Colorado) and a revision of the theropod family Allosauridae.Chure DJ, Loewen MA. (2020). Cranial anatomy of Allosaurus jimmadseni, a new species from the lower part of the Morrison Formation (Upper Jurassic) of Western North America.


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