Pentaceratops
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Pentaceratops is a genus of herbivorous ceratopsid dinosaur from the late Cretaceous Period of what is now North America. Fossils of this animal were first discovered in 1921, but the genus was named
Pentaceratops sternbergii holotype AMNH6325
P. sternbergii holotype skull with reconstructed parts, AMNH
Specimen being airlifted with help from the New Mexico National Guard, 2015
Restoration of P. sternbergii
Chasmosaurinae
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Chasmosaurinae is a subfamily of ceratopsid dinosaurs. They were one of the most successful groups of herbivores of their time. Chasmosaurines appeared in the early Campanian, and became extinct, alon
Pentaceratops
…the thigh bone bows outwards. Osborn originally assigned Pentaceratops to Ceratopsia. Within this group Pentaceratops belonged to the Ceratopsinae or Chasmosaurinae. It appears to be most closely related to Utahceratops. Their clade was perhaps more derived than the earlier genus Chasmosaurus but more basal than…
Chasmosaurus belli RTM 01