Pachyrhinosaurini
Extinct tribe of dinosaurs / From Wikipedia, the free encyclopedia
Pachyrhinosaurini is a tribe of centrosaurine dinosaurs. The clade existed during the Late Cretaceous, about 83.6 to 68.5 million years ago, evolving during the early Campanian,[2] and becoming extinct in the Maastrichtian.[3][4] The tribe contains five genera: Styracosaurus, Stellasaurus, Einiosaurus, Achelousaurus, and Pachyrhinosaurus. Pachyrhinosaurus and Achelousaurus form the clade of pachyrhinosaurins called the Pachyrostra ("thick-snouts"), characterized primarily by their nasal bosses.
Quick Facts Scientific classification, Type species ...
Pachyrhinosaurini | |
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Skull of a Pachyrhinosaurus canadensis | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | †Ornithischia |
Clade: | †Ceratopsia |
Family: | †Ceratopsidae |
Subfamily: | †Centrosaurinae |
Clade: | †Eucentrosaura |
Tribe: | †Pachyrhinosaurini Fiorillo & Tykoski, 2012 |
Type species | |
†Pachyrhinosaurus canadensis | |
Subdivisions[1] | |
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