In Depth The material that would be named as Montanoceratops was originally assigned to Leptoceratops as a second species in 1935 as Leptoceratops cerorhynchos. However the original remains were incomplete and when further and more complete material was discovered by C. M. Sternbergi this second species of Leptoceratops was realised to be a different albeit … Read more
In Depth Pantydraco was formerly known as Thecodontosaurus caducus, however re-examination of the many Thecodontosaurus species has resulted in many being regarded as synonyms or actually recognised as new animals, as is the case for Pantydraco. Named after the Pantyffynnon quarry where it was discovered, Pantydraco is thought to represent a basal sauropodomorph. For this … Read more
In Depth Tototlmimus is a genus of ornithomimosaur that lived in Mexico during the late Cretaceous. So far Tototlmimus is only known from fossils of some foot bones and fingers, and so it is hard to infer much about this dinosaur other than that it has been estimated to have been a medium sized ornithomimid. … Read more
In Depth Although only known from the incomplete remains of a juvenile, the dinosaur Siats seems to have been one of the larger theropod dinosaurs from North America. The partial remains of the holotype individual which mostly include elements of the hind quarters are estimated to have come from an individual dinosaur that was … Read more
In Depth Machairoceratops is a genus of centrosaurine ceratopsian dinosaur that lived in North America during the late Cretaceous. At the time of the genus description in 2016, Machairoceratops is only known from partial skull and horn remains. We can however ascertain a few facts about this dinosaur. One is that Machairoceratops was a centrosaurine … Read more
In Depth Jiutaisaurus is a genus of sauropod dinosaur that lived in China during the Cretaceous. Further Reading - A New Sauropod Dinosaur from the Cretaceous of Jiutai, Jilin, China. - Global Geology 25(1): 6-9. - W. -H. Wu, Z. -M. Dong, Y. -W. Sun, C. -T. Li & T. Li - 2006.
In Depth Gigantosaurus is a little known and currently dubious genus of sauropod dinosaur. The fossils that are assigned to the genus could come from a sauropod, but they were all found disarticulated and separately, raising the notion that they could be from more than one individual. The state of preservation also means that it … Read more
In Depth Iuticosaurus is a genus of titanosaurian dinosaur, though one that is widely regarded as dubious. Why it is dubious stems all the way back to 1887 when Richard Lydekker named two caudal vertebrae (BMNH R146a and BMNH 151) as belonging to the genus Onithopsis. His reason for this was that fossils of … Read more
In Depth Nipponosaurus is classed as a lambeosaurine hadrosaurid because of the hollow head crest that rises up from the top of the snout, though the incomplete nature of the known remains makes it hard to establish fine details, and reconstructions are usually completed with comparisons to other better preserved genera. Also, because the fossils … Read more
In Depth A very small sauropod, Rayososaurus is considered to be very similar to another genus called Rebbachisaurus. Because Rayososaurus is from South America and Rebbachisaurus is from Africa, this has given rise to the notion that these two continents were joined for much longer than previously thought back in the Cretaceous. Further Reading – … Read more