DinosauriaEarly CretaceousEurypodaGenasauriaOrnithischiaSouth AmericaStegosauriaThyreophora

“Amargastegos brevicollus”

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Dinosaur: "Amargastegos brevicollus"

Cretaceous: 125.8–113 Ma
Type: Stegosaur

Length*:3.3 m10.8 ft
Weight*:230 kg507 lb
ESR: 1 / 4 (estimated size reliability)
*The largest known specimen


Period

Epoch: Early Cretaceous
Stage: Barremian-Early Aptian
Years: 125.8–113 Ma

Details

Status: nomen nudum
Author: Ulansky
Year: 2014

Distribution

Area: South America
Country: Argentina
Region: Neuquén
Formation: La Amarga


Sources

Material: Supraorbital, two cervical vertebrae, an isolated cervical prezygapophysis, rib fragment, caudal centrum, a cervical plates.
References: Ulansky, R. E., (2014). Evolution of the stegosaurs (Dinosauria; Ornithischia).

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