In Depth Monkonosaurus is a dubious genus of stegosaur that lived in what is now Tibet during the late Jurassic. Monkonosaurus is considered to be dubious because only a few bones are known, and these may not be diagnostic enough to assign further fossil remains to. Further Reading - Phylogeny and Evolutionary Stages of Dinosauria. … Read more
In Depth A poorly known genus of hadrosaurid dinosaur, Pararhabdodon fossils were initially thought to be from a species of the genus Rhabdodon. New study resulted in the establishment of a new genus, Pararhabdodon, with the description being based upon the caudal (tail) vertebrae. Early fossil assignment for the genus was mostly vertebrae with a … Read more
In Depth Like with most flat headed pachycephalosaurs, the genus Dracorex may well represent a juvenile of another genus. This is because there seems to be an emerging pattern where pachycephalosaurs had flat heads when they hatched out of the eggs, but growing into domes as the dinosaur grew to adulthood. In this respect Dracorex … Read more
In Depth Koreaceratops made headlines in 2011 for two reasons, the first being that this was the first ceratopsian dinosaur to be discovered in South Korea. The second is the theory that Koreaceratops may have been semi aquatic. The latter is idea is based upon the observation of the tall neural spines of the recovered … Read more
In Depth First named as a species of Stegoceras, Colepiocephale appears to have been a small genus of pachycephalosaur dinosaur that lived in Canada during the late Cretaceous. Unfortunately Colepiocephale is still only known from a partial skull dome, so the exact size of the living dinosaur is still unknown, but estimated to be around … Read more
In Depth By the start of the Late Cretaceous the central portion of North America had been submerged by a shallow sea. This created two landmasses out of the North American continent, Laramidia in the west and Appalachia in the east. Most Cretaceous era dinosaurs from North America have been found in what was once … Read more
In Depth Huehuecanauhtlus easily has one of the hardest genus names to pronounce of any dinosaur. That aside, Huehuecanauhtlus was a genus of hadrosauroid dinosaurs that lived in what is now Mexico during the late Cretaceous. The region that the Huehuecanauhtlus holotypes are known from would have been near the southern tip of the landmass … Read more
In Depth Drinker might sound like an odd name for a dinosaur, but this dinosaur is named after Edward Drinker Cope, a man who in the late nineteenth century who made many of the most important discoveries in American paleontological history during that time. Most of this is derived from Cope’s involvement in the ‘Bone … Read more
In Depth Heterodontosaurus is one of more popular ornithischian genera thanks to the mixture of teeth in the mouth. Heterodontosaurus had blade-like incisor teeth and chisel-like molar teeth within the mouth for processing food by slicing and grinding respectively. The show stealing features of the mouth however are the large tusks in the anterior (front) … Read more
In Depth Tianzhenosaurus is a genus of relatively small ankylosaurid dinosaur that lived in China during the late Cretaceous, though a specific point of time during the late Cretaceous is unavailable at the time of writing. There has however been speculation that Tianzhenosaurus may actually be synonymous with the genus Saichania. Further Reading - A … Read more