AverostraAvetheropodaCoelurosauriaDinosauriaEusaurischiaLate CretaceousManiraptoriformesNeotheropodaNorth AmericaOrionidesOrnithomimidaeOrnithomimosauriaSaurischiaTetanuraeTheropodaTyrannoraptora

“Ornithomimus” sedens

Dinosaur: "Ornithomimus" sedens

Type: Theropod

Length*: 5.8 m 19.0 ft
Weight*: 420 kg 926 lb
*The largest known specimen

ESR: 3 / 4 (estimated size reliability)


Material: Two incomplete skeletons and skull. Referred unguals ?, other postcrania ?
References: Marsh, (1892). Notice of new reptiles from the Laramie Formation. Mortimer - Theropod database (online).


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