in 1975 by W. Langston Jr. to Pachyrhinosaurus were also recovered at the Scabby Butte locality. Another Pachyrhinosaurus bonebed, on the Wapiti River...

the outside than the comparable spikes of Pachyrhinosaurus. Achelousaurus also differs from Pachyrhinosaurus in its smaller nasal boss that does not reach...

group not with Styracosaurus albertensis, but in a clade including Pachyrhinosaurus, Einiosaurus and Achelousaurus, and therefore McDonald and Horner gave...

apertus and Pachyrhinosaurus canadensis".. Centrosaurini is defined as "the largest clade containing Centrosaurus apertus, but not Pachyrhinosaurus canadensis"...

had spanned the gap between the older Styracosaurus and the later Pachyrhinosaurus. He deliberately declined to name these three taxa. The oldest form...

regalis-Pachyrhinosaurus canadensis zone. As the name suggests, two common terrestrial herbivores in these lower strata were Pachyrhinosaurus and Edmontosaurus...

friend Patchi. Patchi is the youngest and smallest in a litter of Pachyrhinosaurus hatchlings and is often bullied by his older brother Scowler. Their...

Epichirostenotes, Edmontonia, Edmontosaurus, Hypacrosaurus, Ornithomimus, Pachyrhinosaurus, Parksosaurus, Saurolophus, and Struthiomimus. Other finds have included...

on January 3, 2007. In 2013, he provided the voice for Scowler, a Pachyrhinosaurus in BBC Earth's Walking With Dinosaurs: The Movie. Stone resides in...

same animal. Other members of the Centrosaurinae subfamily include Pachyrhinosaurus, Avaceratops, Einiosaurus, Albertaceratops, and Achelousaurus. The...

displays or for intraspecific combat. The massive bosses on the skulls of Pachyrhinosaurus and Achelousaurus resemble those formed by the base of the horns in...

In contrast to the contemporary large herbivores Edmontosaurus and Pachyrhinosaurus, which apparently preferred coastal lowland and upland environments...

new species of the dinosaur genus Pachyrhinosaurus after the Perot family. The new species is named Pachyrhinosaurus perotorum. "Forbes 400: 2017 Ranking"...

Pachyrhinosaurus lakustai Pachyrhinosaurus perotorum...

Centrosaurinae, while Styracosaurus was found to be more closely related to Pachyrhinosaurus, and other derived centrosaurines, than to Centrosaurus. In 2011, Anthony...

Einiosaurus on a single evolutionary line that led to Achelousaurus and Pachyrhinosaurus. Like other ceratopsid dinosaurs, Stellasaurus would have had complex...

southwest and the northwestern Wapiti Formation, which contains two Pachyrhinosaurus bone beds. The Bearpaw Formation represents strata deposited during...

bed in Alberta, a Gryposaurus bone bed in the Oldman Formation, a Pachyrhinosaurus bone bed in the Wapiti Formation, and the Nemegt Basin in the Gobi...

Pachyrhinosaurus perotorum (Dinosauria: Ceratopsidae) Nasal Reveals Unexpected Complexity of Craniofacial Ontogeny and Integument in Pachyrhinosaurus"...

Centrosaurus apertus Coronosaurus brinkmani Styracosaurus albertensis Pachyrhinosaurus Chasmosaurus belli, C. russelli Vagaceratops irvinensis Hadrosauridae...

to lock it away. After Darius helps his former boss Ronnie calm a Pachyrhinosaurus, the Allosaurus attacks but is quickly driven off and manages to escape...

Pachyrhinosaurus canadensis Pachyrhinosaurus perotorum...

due to its limited surface exposure and accessibility, although two Pachyrhinosaurus bone beds have been productive. The Wapiti Formation consists of interbedded...

re-released as a Rulon with a new yellow-and-spotted-black paint scheme. The Pachyrhinosaurus had motorized walking action. The Ice Age subline was unique in that...

Pachyrhinosaurus lakustai Pachyrhinosaurus perotorum...

migrating. It shows a 1000-mile autumn migration of Edmontosaurus and Pachyrhinosaurus from their summer grazing in northwest Canada (then well inside the...

Paleontology Pachyrhinosaurus n. sp. Campanian Wapiti Formation Canada The beak of this specimen is missing the rounded notch seen in most Pachyrhinosaurus. According...

palate is present on the premaxilla, a feature otherwise only seen in Pachyrhinosaurus among centrosaurines. Nasutoceratops differs from other ceratopsids...

taxa. Alaskacephale coexisted with dinosaurs like the ceratopsian Pachyrhinosaurus, ornithopod Edmontosaurus, and tyrannosaurid Nanuqsaurus in addition...

Centrosaurini Centrosaurus Coronosaurus Spinops Styracosaurus? Pachyrhinosaurini Achelousaurus Einiosaurus Stellasaurus Pachyrhinosaurus...