AntarcticaAverostraAvetheropodaCoelurosauriaDinosauriaEusaurischiaLate CretaceousManiraptoraManiraptoriformesNeotheropodaOrionidesParavesPennaraptoraSaurischiaTetanuraeTheropodaTyrannoraptora

Imperobator antarcticus

Dinosaur: Imperobator antarcticus

Cretaceous: 72.1–66 Ma
Type: Theropod

Length*:4 m13.1 ft
Weight*:100 kg220 lb
ESR: 1 / 4 (estimated size reliability)
*The largest known specimen



Locations


Sources

Material: Fragmentary left and right pes, skull fragments ?, teeth ?, referred other fragmentary skeleton.
References: Ely, R. C., & Case, J. A. (2019). Phylogeny of A New Gigantic Paravian (Theropoda; Coelurosauria; Maniraptora) From The Upper Cretaceous Of James Ross Island, Antarctica.

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