In Depth Fossils sitting in a museum and sometimes thought to belong to one kind of ceratopsian dinosaur are sometimes found to actually represent another upon later examination. This is how others such as Mojoceratops and Spinops were discovered, and is also how Ojoceratops was discovered. Ojoceratops was classed as Torosaurus, but is thought to … Read more
Sarmientosaurus: Research Database Titanosauria (Sauropoda) · Late Cretaceous (~70 MYA) · South America — Argentina (Lechoja Formation) Research Note: Sarmientosaurus was a titanosaur from the Late Cretaceous Lechoja Formation of Patagonia, Argentina. As a well-preserved titanosaur, it provides important data on titanosaur anatomy and diversity in the Latest Cretaceous of South America. Research … Read more
In Depth Although the genus name means crocodile, Walgettosuchus was actually a theropod dinosaur, although the single opalised vertebrae that it is known from has been criticised as not being diagnostic enough to establish a specific genus. As such Walgettosuchus is generally regarded as being what is called a nomen dubium, a genus that cannot … Read more
In Depth Originally named as a species of Camptosaurus, Uteodon was a fairly primitive iguanodont dinosaur that lived in what is now Utah during the late Jurassic. As an iguanodont, Uteodon would have been a primarily quadrupedal plant eater, though it may have still reared up on its hind legs to reach higher vegetation. Possible … Read more
In Depth Kelumapusaura is a genus of hadrosaurid dinosaur that lived in South America during the late Cretaceous. The establishment of Kelumapusaura was born out of the discovery of a bone bed of at least several individuals. Further reading - A new hadrosaurid (Dinosauria: Ornithischia) from the Late Cretaceous of northern Patagonia and the radiation … Read more
Scelidosaurus: Research Database Thyreophora (Ornithischia) · Early Jurassic (~190 MYA) · Europe — England (Dorset, Lower Jurassic) Research Note: Scelidosaurus was an early thyreophoran from the Early Jurassic of England — one of the earliest known armored dinosaurs and an important taxon for understanding the evolution of armored dinosaurs. Research Finding Status Grade … Read more
Kunmingosaurus: Research Database Sauropoda (Dinosauria) · Early Jurassic (~190 MYA) · Asia — China (Yunnan) Research Note: Kunmingosaurus was a basal sauropod from the Early Jurassic of Yunnan, China — one of the earliest known sauropods and an important taxon for understanding sauropod evolution. Research Finding Status Grade Year Method Citation Impact Maisch … Read more
In Depth The description of the ceratopsian dinosaur Udanoceratops is based upon the discovery of an almost complete sixty centimetre long skull. This in turn led to size estimates for the missing body leading all the way up to four meters long; however it would be interesting to see how Udanoceratops compares to other later … Read more
In Depth Spiclypeus is a genus of ceratopsian dinosaur that lived in North America during the late Cretaceous. Further Reading - Spiclypeus shipporum gen. et sp. nov., a boldly audacious new chasmosaurine ceratopsid (Dinosauria: Ornithischia) from the Judith River Formation (Upper Cretaceous: Campanian) of Montana, USA. - PLoS ONE 11(5). - J. C. Mallon, C. … Read more
Tornieria: Research Database Titanosauria (Sauropoda) · Early Cretaceous (~120-110 MYA) · Africa — Tanzania (Tendaguru Formation) Research Note: Tornieria was a titanosaurian sauropod from the Early Cretaceous of Tanzania — a member of the Titanosauria that provides data on sauropod diversity and the Cretaceous dinosaur faunas of Africa during the Early Cretaceous. Research … Read more