In Depth Although discovered in a joint Mongolian and Russian dig in 1989, Achillobator did not get named until 1999. These remains are very fragmentary but do suggest that Achillobator was a particularly large dromaeosaurid dinosaur. The achilles tendons seem to have been particularly well developed, probably to account for the extra size and weight … Read more
In Depth Crittendenceratops is a genus of ceratopsian dinosaur that lived in Western portion of North America during the late Cretaceous. While many fossils of various types of animals have been discovered in the Fort Crittenden Formation of Arizona, Crittendenceratops is the first distinct genus to be named from this formation. Further Reading - A … Read more
In Depth Not a lot is known about Zby, other than it was a eusauropod dinosaur that seems to have featured similarities with the genus Turiasaurus from Spain, which may also be the largest sauropod dinosaur known from Europe. Zby might sound like a strange name for an animal, but this dinosaur was actually named … Read more
In Depth Alxasaurus was a very significant discovery since study of the bones of this dinosaur reveal both specialised therizinosaur morphs as well as more standard’ theropod features. Combined with its appearance in the early Cretaceous, Alxasaurus is firmly established as a transitory form that shows a stage of development between general theropods and the … Read more
In Depth Nanningosaurus is a genus of hadrosaurid dinosaur that lived in China during the late Cretaceous, and is also the first genus of hadrosaur identified as living in southern China. Further Reading - The first hadrosaurid dinosaur from southern China. Acta Geologica Sinica 81(4):550-554. - J. Mo, Z. Zhao, W. Wang & X. Xu … Read more
In Depth Though known only from very few fossils, Adratiklit is the first known example of dacentrurine stegosaur from North Africa. At the time of naming however, we do not know other details such as the type and extent of plates and spikes that would have run down its back as the genus was named … Read more
In Depth Sefapanosaurus is a genus of sauropodomorph dinosaur that lived in South Africa during the late Triassic. Further Reading - A new basal sauropodiform from South Africa and the phylogenetic relationships of basal sauropodomorphs. Zoological Journal of the Linnean Society 174:589-634. - A. Otero, E. Krupandan, D. Pol, A. Chinsamy & J. Choiniere - … Read more
In Depth Agujaceratops originally started out as being assigned as a species to the genus Chasmosaurus, another and more common Campanian era ceratospian dinosaur. However closer analysis by Lucas, Sullivan and Hunt in 2006 of a partial skull revealed key differences between it and other Chasmosaurus fossils. This led to the material being removed from … Read more
In Depth Auroraceratops is a genus of neoceratopsian dinosaur, the kind of horned dinosaurs that were becoming more and more common during the early Cretaceous, the descendants of which would grow into the horned giants like Triceratops at of the late Cretaceous. One of the notable features about Auroraceratops is the rough rugose appearance of … Read more
In Depth Although certainly not the only dinosaur to be discovered in Brazil, Amazonsaurus was still the first discovered within the Amazon Basin. Amazonsaurus is confirmed as a diplodocoid sauropod, but the lack of fossil remains makes it difficult to tell what kind. One possibility is that Amazonsaurus might be a rebbachisaurid, a sub group … Read more