AverostraAvetheropodaCoelurosauriaDinosauriaEusaurischiaLate CretaceousManiraptoraManiraptoriformesNeotheropodaNorth AmericaOrionidesSaurischiaTetanuraeTherizinosauriaTherizinosauridaeTherizinosauroideaTheropodaTyrannoraptora

Nothronychus graffami 

Dinosaur: Nothronychus graffami 

Type: Theropod

Length*:5 m16.4 ft
Weight*:800 kg1,764 lb
Speed:38 km/h24 mph
ESR: 4 / 4 (estimated size reliability)
*The largest known specimen


Material: Nearly complete skeleton with skull.
References: Hedrick, Zanno, Wolfe and Dodson, (2015). The slothful claw: Osteology and taphonomy of Nothronychus mckinleyi and N. graffami (Dinosauria: Theropoda) and anatomical considerations for derived therizinosaurids.


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