(redirected from Chasmosaurinae)
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Noun1.Ceratopsidae - American ceratopsian dinosaurs
reptile family - a family of reptiles
Ceratopsia, suborder Ceratopsia - horned dinosaurs
References in periodicals archive ?
Pentaceratops were smaller cousins of a group of large, horned dinosaurs called the Chasmosaurinae which belonged to the Triceratops species.
Medusaceratops belongs to the Chasmosaurinae subfamily of the horned dinosaur family Ceratopsidae.
Medusaceratops is the oldest member of the Chasmosaurinae in North America and shows that the group, like its most famous member, Triceratops, had long brow horns and were fairly large when they first evolved," said Ryan.