Centrosaurinae
Videos
Centrosaurinae is a subfamily of ceratopsid, a group of large quadrupedal ornithischian dinosaur. Centrosaurine fossil remains are known primarily from the northern region of Laramidia but isolated ta
Paläontologisches Museum in München Monoclonius
Skull of an unnamed nasutoceratopsin exhibited in the Museo del Mamuth in Chihuahua City, from the municipality of Aldama
Pachyrhinosaurus
Videos
Pachyrhinosaurus is a genus of centrosaurine ceratopsid dinosaur from the Late Cretaceous period of North America. The first examples were discovered by Charles M. Sternberg in Alberta, Canada, in 194
Centrosaurinae
…substituent clade Pachyrostra, compromising centrosaurs with bossed instead of horned noses, is defined as "the least inclusive clade including both Pachyrhinosaurus canadensis and Achelousaurus horneri. Centrosaurine fossils have mostly been found in Western North America (Alberta, Montana, and Alaska). In the United States…
Pachyrhinosaurus Royal Tyrrell 1
Skulls of the three species compared: P. perotorum (with inaccurate epiparietal placement), P. canadensis, and P. lakustai
P. perotorum mounted at the Perot Museum; note the small forwards pointing epiparietals at the top of the frill, which were inaccurately reconstructed following the original description, while these would actually have faced up like in the other species.
TMP 2002.76.1, which may be a specimen of Pachyrhinosaurus, Achelousaurus, or a new taxon, in Royal Tyrrell Museum