In Depth Tawa is yet another dinosaur genus from the late Triassic of the Ghost Ranch North America, and as you might expect, one quite primitive in form. Tawa were bipedal dinosaurs of the theropod line, noted for having femurs that were proportionately quite long when compared to the lower leg bones. Tawa also had … Read more
In Depth Comahuesaurus was is genus of rebbachisaurid sauropod that lived in South America during the early Cretaceous. As a rebacchiosauird, Comahuesaurus would be related to genera such as Zapalasaurus, Rebbachisaurus and Rayososaurus. Further Reading - A new basal rebbachisaurid (Sauropoda, Diplodocoidea) from the Early Cretaceous of the Neuqu�n Basin; evolution and biogeography of the … Read more
In Depth Beibeilong is a genus of oviraptorid dinosaur that lived in Asia during the earlier stages of the late Cretaceous. The genus was described from fossilised embryos and eggs. Adult details including maximum size of Beibeilong are unknown at the time of writing, but the original describers of the genus speculated that when fully … Read more
In Depth Ojoraptorsaurus is a genus of oviraptosaur that lived in what is now New Mexico during the earlier stage of the Maastrichtian. Although only named from fossilised pubis bones, Ojoraptorsaurus has been identified as a caenagnathid oviraptosaur, making it a closer relative to genera such as Elmisaurus and Gigantoraptor. With the holotype fossils of … Read more
In Depth Borealosaurus is a genus of titanosaurid dinosaur that lived in China around the boundary of the early/late Cretaceous. Though only known from partial remains, Borealosaurus has been interpreted as being potentially related to the better known Opisthocoelicaudia. In addition to this the Japanese titanosaur Fukuititan has also been interpreted as a close relation … Read more
In Depth Many people often think that Sinraptor will be another dromaeosaurid dinosaur, when in actual fact it was a medium sized theropod of a similar build to Allosaurus. This is not the first instance that a non dromaeosaurid dinosaur has been given the inclusion of ‘raptor’ in its name with others such as Fukuiraptor … Read more
In Depth The almost complete specimen of Monolophosaurus was first discovered in 1984. This exciting find was initially named ‘Jiangjunmiaosaurus’ after Jiangjunmiao, an abandoned inn near where the skeleton was found, but it was never an official name hence the lack of italics and its description as a nomen nudum (a name that is not … Read more
In Depth Yimenosaurus is one of the more popular sauropodomorph dinosaurs thanks to the large number of fossils from several individuals that make up the genus. At the time of writing the only uncertainty concerning Yimenosaurus are the limbs, which have a distinct lack of representation. Yimenosaurus is also known to have easily attained sizes … Read more
In Depth Although many people are familiar with the dinosaur Oviraptor, what they don’t realise is that its modern day reconstruction of this oviraptorid is often based upon the more abundant remains of Citipati. Named after two beheaded monks who appear in Tibetan buddhist folklore, Citipati is also one of the larger members of its … Read more
In Depth Limaysaurus was a medium sized rebbachisaurid sauropod that lived in Argentina during the early Cretaceous. Further Reading – Rebbachisaurus tessonei sp. nov. A new sauropod from the Albian-Cenomanian of Argentina; new evidence on the origin of the Diplodocidae. – Gaia, 11: 13-33. – J. O. Calvo & L Salgado – 1995. – Lower … Read more