AverostraAvetheropodaCoelurosauriaDinosauriaEusaurischiaLate JurassicManiraptoraManiraptoriformesNeotheropodaNorth AmericaOrionidesParavesPennaraptoraSaurischiaTetanuraeTheropodaTroodontidaeTyrannoraptora

Hesperornithoides miessleri

Dinosaur: Hesperornithoides miessleri


Type: Theropod

Length*: 90 cm 3.0 ft
Weight*: 2.5 kg 6 lb
*The largest known specimen

ESR: 3.5 / 4 (estimated size reliability)


Other

Material: Large part of skeleton with skull.
References: Hartman, S., Mortimer, M., Wahl, W.R., Lomax, D.R., Lippincott, J., Lovelace, D.M. (2019). "A new paravian dinosaur from the Late Jurassic of North America supports a late acquisition of avian flight".

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