In Depth Leptoceratops is similar in form to the earlier ceratopsian dinosaurs that would evolve into the larger members of the group such as Chasmosaurus and Anchiceratops. However Leptoceratops lived much later than these ancestral forms as indicated by its entry into the fossil record at a time which would have seen Leptoceratops living in … Read more
In Depth Bonitasaura is a genus of what seems to have been fairly small titanosaurs that lived in Argentina during the Late Cretaceous. The holotype individual seems to have been a subadult, which means that while it was sexually mature, it still would not have been fully grown. During this phase of its life though, … Read more
In Depth Equijubus seems to have been a primitive hadrosauroid from the early Cretaceous of China, though some have considered the genus to be more simply an iguanodont. Despite this, the skull of Equijubus lacks a palpebral bone, meaning that the eye did not have a bony projection jutting above it. Further Reading - The … Read more
In Depth Because of a current lack of fossils for this genus, the only thing that can be said with any certainty is that Kerberosaurus was a saurolophine hadrosaurid, the group of hadrosaurs noted to have solid head crests like those of Saurolophus. The skull remains of Kerberosaurus were discovered in a bone bed of … Read more
In Depth At the time of the description in 2017, Zuul was the best preserved ankylosaurine ankylosaur ever found in North America. Not only was the skull and post cranial skeleton mostly complete, many of the armoured plates that adorned its back were still present. The type species name, Z. crurivastator, is Latin and basically … Read more
In Depth With fossils going back to the mid Jurassic, it comes as no surprise that Huayangosaurus is a more primitive stegosaur than better known genera from the late Jurassic. The skull of Huayangosaurus is broader than later forms which reveals it was not as well adapted to selective browsing. The premaxilla also still has … Read more
In Depth Panguraptor is the first genus of coelophysid dinosaur discovered on the Asian continent. Panguraptor was a small predator that would have hunted small animals. Panguraptor was also the second definitive dinosaur genus named from the Lufeng Formation, the first being Sinosaurus. Further Reading - The first well-preserved coelophysoid theropod dinosaur from Asia. - … Read more
In Depth One of the troodonts, Byronosaurus aquired its name after being named after Byron Jaffe, a supporter of the American Museum of Natural History Paleontological Expeditions. One of the unearthed skulls of B. jaffei is the best persevered skull specimen of any troodont, and shows two adaptions that are unique among the currently known … Read more
In Depth Although as the name suggests this was the first dromaeosaurid to be discovered, it was not well understood until some of the other dromaeosaurids were discovered and studied. This has allowed for the gaps to be filled in, giving a much more accurate representation of what Dromaeosaurus was like. While Dromaeosaurus still had … Read more
In Depth Cristatusaurus is recorded as a genus of spinosaurid dinosaur that lived in Africa during the Cretaceous. Africa has been an important source of spinosauird fossil material, however usually only snouts and teeth, and a few isolated bone fragments are found. Unfortunately, Cristatusaurus is no exception, and at the time of writing only some … Read more