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 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 So far at the time of writing the only known fossils of Kol are of a complete foot. This foot however is enough to identify Kol as an alvarezsaurid dinosaur, and one that was fairly big. The foot of the Kol holotype specimen is about twice the size of the foot of Shuvuuia, … Read more
In Depth Ganzhousaurus is an oviraptorid dinosaur that displays a mix of primitive and advanced features which suggests that it is transitory in form between primitive oviraptorids that were around earlier in the Cretaceous, and more advanced ones alive later in the Cretaceous. Though since the fossils for Ganzhousaurus are from a Maastrichtian era deposit, … Read more
In Depth The history of Sinosaurus as a dinosaur taxon goes all the way back to 1948 when the genus was first formally described. However this description was based upon very partial remains something that meant the genus fell by the wayside in popularity stakes, with some palaeontologists even treating the Sinosaurus genus as a … Read more