In Depth Morrosaurus is a genus of iguanodontian dinosaur that lived in Antarctica during the late Cretaceous. Further Reading - A new ornithopod (Dinosauria, Ornithischia) from the Upper Cretaceous of Antarctica and its palaeobiogeographical implications. Cretaceous Research 57:311-324. - S. Rozadilla, F. L. Agnolin, F. E. Novas, A. M. Aranciaga Rolando, M. J. Motta, J. … Read more
In Depth Baotianmansaurus is a genus of sauropod dinosaur known to have lived in China during the late Cretaceous. The known remains of Baotianmansaurus are very incomplete which means that it is still unknown what kind of sauropod Baotianmansaurus was, though it is usually classed as a titanosauriform. Additional details such as weight, length and … Read more
In Depth Every so often a dinosaur is discovered that makes people sit up and take notice, and arguably in 2022 that dinosaur was Meraxes. This is because the Meraxes genus has a number of accolades to its name. First is that at the time of its naming in 2022, Meraxes is the most completely … Read more
In Depth Gobihadros is a genus of hadrosauroid dinosaur known to have lived in central Asia during the earlier stages of the late Cretaceous. Known from numerous fossils from several individuals of varying ages and sizes, and some of these articulated, Gobihadros is one of the best preserved hadrosaurs from Asia. Further Reading - A … Read more
In Depth Quaesitosaurus is only known from a partial skull of what appears to have been a diplodocid sauropod dinosaur, however it has also drawn similarity to Nemegtosaurus that is also from the same area and also only known from a skull. If true then Quaesitosaurus may also be connected Opisthocoelicaudia which is only known … Read more
In Depth Although based upon incomplete remains, Ceratonykus is known to have been one of the alvarezsaurs. Other alvarezsaurs from the same formation include Parvicursor and possibly Mononykus. Further Reading - Ceratonykus oculatus gen. et sp. nov., a new dinosaur (? Theropoda, Alvarezsauria) from the Late Cretaceous of Mongolia. - Paleontological Journal 43(1):94-106. - V. … Read more
In Depth Although only known from incomplete skull and lower jaw material, Zhuchengtyrannus was still almost certainly one of the largest of the Asian tyrannosaurines. Also, even though the teeth of the holotype are not particularly well preserved, there are more as yet unidentified teeth that are known from that location that may yet prove … Read more
In Depth Sinornithosaurus was especially well preserved, and not only were the presence of feathers clearly revealed; they showed indications of having differing colours for different body areas. The feathers, while not exactly like those of modern birds, are still more advanced than in other species, including some of the later dromaeosaurids. This is significant … Read more
In Depth The skull of Bistahieversor has many features that are considered primitive for the tyrannosaurid group, but most importantly, a noticeable depth that is lacking in other, and later, tyrannosaurid species. This is significant because it was once thought that only the later and more advanced tyrannosaurids, like Tyrannosaurus itself, had deeper snouts. The … Read more
In Depth Sinusonasus is a genus of troodontid dinosaur that lived in China during the early Cretaceous. Sinusonasus means ‘wave nose’, and this name was given after the way the snout on the holotype skull has an undulating profile kind of like a wave. The tail vertebrae of Sinusonasus are also noteworthy in that the … Read more