In Depth When Willinakaqe was first described it was from a collection of fossils from various different individual dinosaurs. With the holotype bones of Willinakaqe weathered, the other fossil bones were used as stand in to get a more complete picture of this dinosaur. This involved establishing what is known as a paratype, a more … Read more
In Depth Although often labelled as a duck billed dinosaur, Saurolophus is more technically defined as a hadrosaurid due to its placement within the Hadrosauroidea. Even more specifically, Saurolophus is defined as the type genus of the Saurolophinae, the group of solid crested to crestless hadrosaurids that were previously known as hadrosaurines before the then … Read more
In Depth Talenkauen is a genus of small to medium sized ornithopod dinosaur that lived in South America during the late Cretaceous. Noted for being similar in overall build to the much older Dryosaurus from North America, some of the most notable features of Talenkauen include an arrangement of oval plates that run alongside the … Read more
In Depth Edmontosaurus is without a doubt one of if not the most intensively studied hadrosaurid dinosaur. Not only are there many Edmontosaurus specimens known, but those that have been recovered include some of the best preserved hadrosaurid material so far found.Classification history Edmontosaurus has one of the longest and most complicated taxonomic histories of … Read more
In Depth Fulgurotherium is a little known genus of Australian dinosaur that is also known from very little fossil material; at the time of writing, only a fragment of a femur. This femur seems to match up small ornithopod dinosaurs that range about one to one and a half meters long in size, but this … Read more
In Depth Geranosaurus was an ornithischian dinosaur that lived in South Africa during the early Jurassic. Because Geranosaurus is known from only very fragmentary fossil remains, many consider it a dubious genus as it will likely be very difficult to attribute further remains to the genus given there is so little to compare new discoveries … 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 Although not very well known, Jaxartosaurus possesses a hollow helmet shaped crest on top of its skull similar to the better known Corythosaurus. Because this crest is hollow, Jaxartosaurus had been confidently assigned to the Lambeosaurinae group of hadrosaurs which are typified by their hollow crests. The crest of Jaxartosaurus like its lambeosaurine … Read more
In Depth Laosaurus is today considered to be a dubious genus of dinosaur. Though previously considered to be a hypsilophodont (relative of Hypsilophodon), most of the fossil remains once attributed to Laosaurus have ended up being considered to be other genera such as Orodromeus, Dryosaurus and Othnielosaurus. What few fossils that are still assigned to … Read more
In Depth Hippodraco is a genus of medium sized ornithopod dinosaur that lived in North America during the early Cretaceous. Though still a fairly large dinosaur when compared to a person, Hippodraco paled in comparison to the impressively large Iguanacolossus, which is known from the same member of the Cedar Mountain Formation that Hippodraco was … Read more