In Depth Kaijiangosaurus is only known from very fragmentary remains, so it is difficult to establish exactly where it belongs in relation with other dinosaurs. Further remains have been attributed to the genus but are currently undescribed, but some palaeontologists have leaned towards a classification within the Megalosauridae (the theropod dinosaur group typified by Megalosaurus). … 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
Sarahsaurus: Research Database Sauropodomorpha (Dinosauria) · Early Jurassic (~200 MYA) · North America — USA (Arizona, Kayenta Formation) Research Note: Sarahsaurus was a prosauropod from the Early Jurassic of Arizona — an important taxon for understanding sauropodomorph evolution in North America and the early diversification of dinosaurs. Research Finding Status Grade Year Method … Read more
Halszkaraptor: Research Database Dromaeosauridae (Theropoda) · Late Cretaceous (~75–71 MYA) · Asia — Mongolia (Bugastansaya) Research Note: Halszkaraptor was a dromaeosaurid from the Late Cretaceous of Mongolia. As a member of the newly recognized Halszkaraptorinae, it provides important data on the diversity and evolutionary relationships of dromaeosaurid dinosaurs. Research Finding Status Grade Year … Read more
In Depth Fossils of Cruxicheiros were first discovered in 1960 when they were discovered in the Cross Hand Quarry of Warwickshire, which as you have no doubt already realised is the inspiration for the name Cruxicheiros which means ‘Cross Hand’. At the time the fossils were just lumped in with Megalosaurus, which has for a … Read more
Nasutoceratops: Research Database Ceratopsidae (Ornithischia) · Late Cretaceous (~76-75 MYA) · North America — Utah (Kaiparowits Formation) Research Note: Nasutoceratops was a centrosaurine ceratopsid from the Late Cretaceous of Utah — the first known centrosaurine ceratopsid from southern Laramidia. As a member of the Ceratopsidae, it provides data on ceratopsid diversity and biogeography in … 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
Loricosaurus: Research Database Sauropoda · Cretaceous · South America Research Note: Loricosaurus was a titanosaur from the Cretaceous of South America, providing important data on sauropod diversity in Gondwana. Research Finding Status Grade Year Method Citation Impact García 2012: Loricosaurus and titanosaur diversity in the Cretaceous Cretaceous Research Confirmed A 2012 Fossil García, … Read more
Eotrachodon: Research Database Hadrosauridae (Ornithischia) · Late Cretaceous (~83 MYA) ·> North America — USA (Alabama, Mesaverde Group) Research Note: Eotrachodon was a hadrosaurid from the Late Cretaceous of Alabama, USA. As a basal saurolophine, it provides important data on the early diversification of hadrosaurids in eastern North America. Research Finding Status Grade … Read more
Rocasaurus: Research Database Titanosauria (Sauropoda) · Late Cretaceous (~77-75 MYA) · South America — Argentina (Neuquén Province, Cerro Barcino Formation) Research Note: Rocasaurus was a titanosaurian sauropod from the Late Cretaceous of Argentina — a member of the Saltasauridae that provides data on titanosaur diversity and the Cretaceous dinosaur faunas of South America. … Read more