In Depth Antarctopelta is the first armoured dinosaur known to have lived in Antarctica, though it should be pointed out that when Antarctopelta lived there, Antarctica was not covered in snow and ice. Antarctopelta was a kind of dinosaur called a nodosaur which means that in life it would have had a squat quadrupedal profile. … Read more
In Depth Alvarezsaurus was the first of a group of dinosaurs that were first discovered late into the twentieth century. Since it was the first, Alvarezsaurus was used to name this new group which became known as the alvarezsaurs. At the time of writing there are now several genera of alvarezsaurs known to us, but … Read more
In Depth Hailing from Croatia, Histriasaurus is a genus of sauropod dinosaur, and a close relative to the genus Rebbachisaurus. Further Reading - Remains of Sauropoda (Reptilia, Saurischia) in the Lower Cretaceous (Upper Hauterivian/Lower Barremian) limestones of SW Istria (Croatia). - Geologica Croatica 51(2):105-134. - F. M. Dalla Vecchia - 1998.
In Depth Named from a single humerus, Zhuchengtitan is a genus of titanosaurian dinosaur that lived in China during the late Cretaceous. Although not much to go on, the humerus of Zhuchengtitan is similar to that seen in the genus Opisthocoelicaudia, indicating Zhuchengtitan was a saltasaurid tianosaur. Zhuchengtitan lived in a diverse ecosystem which … Read more
In Depth Acrocanthosaurus immediately sticks out from other large theropods with its high dorsal spines than run from the neck to the tip of the tail. There have been many artistic representations for this structure from the spines standing proud from the body, to supporting a flap of skin. Modern thinking however comes from the … Read more
In Depth One of the most notable details of Rebbachisaurus are the tall neural spines of the vertebrae, which either stood proud from the back, or supported a sail or hump that ran along the spine. Aside from this Rebbachisaurus was a fairly generic diplodocid sauropod with a large build, long neck and whip-like tail. … Read more
In Depth Narindasaurus is a genus of sauropod dinosaur that lived in Madagascar during the mid Jurassic. Fossils of this dinosaur were first discovered in 1906, but were not given their own distinct genus till 2020. Before that time they had still been studied, with growth ring analysis suggesting that this sauropod dinosaur did not … Read more
In Depth Anasazisaurus is currently only known from a single skull, but one that has a flange of bone rising from the top of its snout. Because this crest is solid, Anasazisaurus has been identified as a saurolophine hadrosaurid. The skull of Anasazisaurus was once attributed to the genus Kritosaurus, but because the skull contains … Read more
In Depth Atrociraptor has been described from very incomplete remains, but two clear observations can be made about this dinosaur. One is that the snout appears to be both deeper and shorter than most other dromaeosaurs, something that could indicate a strong bite due to larger muscles and the outer teeth being placed closer to … Read more
In Depth Very little is known about Asiaceratops because the currently known fossils of this dinosaur are so fragmentary that some researchers have even questioned the validity of the genus. Further Reading - [Mesozoic ceratopsian dinosaurs and crocodiles of central Asia]. In: Bogdanova and Khozatskii (eds.), Theoretical and Applied Aspects of Modern Palaeontology pp 144-154. … Read more