AverostraAvetheropodaCoelurosauriaDinosauriaEusaurischiaLate CretaceousManiraptoraManiraptoriformesNeotheropodaNorth AmericaOrionidesParavesPennaraptoraSaurischiaTetanuraeTheropodaTroodontidaeTyrannoraptora

“Saurornitholestes” robustus 

Dinosaur: "Saurornitholestes" robustus 

Cretaceous: 83.6–72.1 Ma
Type: Theropod

Length*:1.9 m6.2 ft
Weight*:17 kg37 lb
ESR: 0.5 / 4 (estimated size reliability)
*The largest known specimen



Sources

Material: Frontal, referred tooth ?
References: Evans, D. C., Larson, D. W., Cullen, T. M., & Sullivan, R. M. (2014). “Saurornitholestes” robustus is a troodontid (Dinosauria: Theropoda).

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