In Depth When it comes to the study of ceratopsian dinosaurs, it is the genus Psittacosaurus that has the most significance. The remains of literally over four hundred individuals are known, a few of these complete, articulated and with soft tissue remains such as skin and feather impressions. It is also possible to study the … Read more
In Depth Bihariosaurus is a genus of ornithopod dinosaur that lived in Europe during the early Cretaceous. However some researchers have pointed out that there are no clearly distinctive features seen in current Bihariosaurus fossils other than what can be commonly seen in other ornithopod genera. Bihariosaurus is noted a being similar to Camptosaurus. Further … Read more
In Depth Othnielia was originally named as a species of Nanosaurus as N. rex back in 1877 by famed American palaeontologist Othniel Charles Marsh. This was based upon a femur (YPM 1875), but in 1977, a later palaeontologist named Peter Galton renamed the femur as well as some associated skeletal remains as the genus Othnielia, … Read more
In Depth The holotype skull of Theiophytalia was originally described as belonging to Camptosaurus by Othniel Charles Marsh in 1886, and in 1909 used as a base to reconstruct Camptosaurus by Charles W. Gilmore. The problem here is that this skull is slightly different to other known Camptosaurus skulls. Additionally, Camptosaurus is known to have … Read more
In Depth Draconyx is a genus of ornithischian dinosaur that lived in Portugal during the late Jurassic. Although the currently available fossils don’t reveal the whole skeleton, Draconyx still seems to have been similar to Camptosaurus, albeit a little smaller. Further Reading - Draconyx loureiroi, a new camptosauridae (Dinosauria, Ornithopoda) from the Late Jurassic of … Read more
In Depth Isaberrysaura is a genus of dinosaur that lived in South America during the middle Jurassic. Initially described as a neoornithischian, later analysis has suggested that Isaberrysaura is actually a very primitive stegosaur. Although much detail about Isaberrysaura is still unknown, it is possible that Isaberrysaura may have still been bipedal despite being a … Read more
In Depth Hypsilophodon is one of the more famous dinosaurs that have been discovered in the Isle of Wight, however its discovery was delayed by the fact that for the first twenty years of the first fossils discovery, Hypsilophodon was actually believed to be a juvenile Iguanodon. This is of course in reference to the … Read more
In Depth With a weight estimate of 0.5-0.75 kilos, Fruitadens is by far one of the smallest known dinosaurs. Recovered specimens are thought to represent juveniles and sub adults that are almost fully grown. In appearance Fruitadens is considered to have been similar to Heterodontosaurus, although it may have been closer to Echinodon and Tianyulong … Read more
In Depth After Stegosaurus itself, Kentrosaurus is easily the best known of the stegosaurs. Many herbivores were known to have herded, and support for this in Kentrosaurus comes from the massive collection of bones from the Tendaguru beds. Like other Stegosaurs, Kentrosaurus was considered to be a low browser, although it’s considered possible for Kentrosaurus … Read more
In Depth Since the closing decades of the twentieth century literally thousands of fossil bones of hadrosaurid dinosaurs have been found in Alaska. Initially considered to be lambeosaurines (the type with bony head crests), there were later determined to be saurolophines, specifically similar to Edmontosaurus. Most of these remains however have come from juveniles which … Read more