AverostraAvetheropodaCoelurosauriaDinosauriaDromaeosauridaeEusaurischiaLate CretaceousManiraptoraManiraptoriformesNeotheropodaNorth AmericaOrionidesParavesPennaraptoraSaurischiaTetanuraeTheropodaTyrannoraptora

Richardoestesia isosceles 

Dinosaur: Richardoestesia isosceles 



Type: Theropod

Length*:1.5 m4.9 ft
Weight*:6 kg13 lb
ESR: 0.5 / 4 (estimated size reliability)
*The largest known specimen


Period

Epoch: Late Cretaceous
Stage: Late Santonian -Maastrichtian

Details

Status: valid
Autor: Sankey
Year: 2001
Area: North America
Country: USA, Canada, Mexico
Region: Texas, New Mexico, Wyoming, Montana, North Dakota, South Dakota, Alberta, Saskatchewan, Chiapas
Formation: Aguja, Menefee, Mesaverde, Judith River, Hell Creek, Lance, Milk River, Foremost, Dinosaur Park, Frenchman, Horseshoe Canyon, Scollard, Ocozocoautla

Classification

Dinosauria
Saurischia
Eusaurischia
Theropoda
Neotheropoda
Averostra
Tetanurae
Orionides
Avetheropoda
Coelurosauria
Tyrannoraptora
Maniraptoriformes
Maniraptora
Pennaraptora
Paraves
Dromaeosauridae


Other

Material: Many teeth.
References: Mortimer - Theropod database (online). Sankey, (2001). Late Campanian southern dinosaurs, Aguja Formation, Big Bend, Texas. Rubén Molina-Pérez & Asier Larramendi (2019) Dinosaur Facts and Figures: The Theropods and Other Dinosauriformes.

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