AverostraAvetheropodaCoelurosauriaDinosauriaEarly CretaceousEusaurischiaManiraptoraManiraptoriformesNeotheropodaNorth AmericaOrionidesSaurischiaTetanuraeTherizinosauriaTherizinosauroideaTheropodaTyrannoraptora

Martharaptor greenriverensis

Dinosaur: Martharaptor greenriverensis

Cretaceous: 139.8–132.6 Ma
Type: Theropod

Length*:2.6 m8.5 ft
Weight*:120 kg265 lb
ESR: 2 / 4 (estimated size reliability)
*The largest known specimen



Locations


Sources

Material: Fragmentary skeleton without skull.
References: Senter, P., Kirkland, J., DeBlieux, D. (2012) Martharaptor greenriverensis, a New Theropod Dinosaur from the Lower Cretaceous of Utah.

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