In Depth Yehuecauhceratops is a genus of ceratopsian dinosaur that lived in North America during the late Cretaceous. The holotype individual of Yehuecauhceratops was discovered in the Aguja Formation of Mexico, and in life is thought to have been similar to nasutoceratopsine ceratopsian dinosaur genera such as Nasutoceratops and Avaceratops. Unfortunately because of the lack … Read more
In Depth Centrosaurus acquired its named from the numerous bony projections that run along the edges of its frill. Aside from these a large nasal horn extends upwards from the top of the snout, and a pair of small horns project from the eyebrow. Two more hornlets hook down from the top of the frill, … Read more
In Depth Brachyceratops is regarded as a highly dubious genus of ceratopsian dinosaur that may represent the juvenile form of another already named genus, and indeed one specimen of Brachyceratops (USNM 14765, a sub adult referred to the original five juveniles) has already been moved to the Rubeosaurus genus. This would normally raise speculation that … Read more
In Depth Nasutoceratops was the second genus of centrosaurine ceratopsian dinosaur to be discovered in the south west of the USA, the first genus being Diabloceratops that was named three years earlier. Back in the Cretaceous the South-west of what is now the USA was the southern portion of Laramidia, an island landmass extending from … Read more
In Depth The fact that Albertaceratops has large and well developed brow horns on what is in essence a centrosaurine skull has led to the thinking that Albertaceratops is a basal centrosaurine ceratopsian. Later members of the group would develop considerably reduced brow horns. Albertaceratops had no nasal horn but instead had a bony growth … Read more
In Depth With holotype fossils initially described as specimens of Rubeosaurus, Stellasaurus is a genus of centrosaurine ceratopsian dinosaur that lived in North America during the late Cretaceous. Although little fossil material exists of Stellasaurus at the time of writing, the dinosaur has been reconstructing as having two large upwards pointing spikes rising from the … Read more
In Depth Machairoceratops is a genus of centrosaurine ceratopsian dinosaur that lived in North America during the late Cretaceous. At the time of the genus description in 2016, Machairoceratops is only known from partial skull and horn remains. We can however ascertain a few facts about this dinosaur. One is that Machairoceratops was a centrosaurine … Read more
In Depth Crittendenceratops is a genus of ceratopsian dinosaur that lived in Western portion of North America during the late Cretaceous. While many fossils of various types of animals have been discovered in the Fort Crittenden Formation of Arizona, Crittendenceratops is the first distinct genus to be named from this formation. Further Reading - A … Read more