In Depth The holotype fossil of a partial jaw of Regnosaurus was recovered by Gideon Mantell who considered it to belong to an unknown large prehistoric animal. Mantell would later name his animal Igaunodon, though it was still referred to as a big lizard since the word dinosaur had still not been invented. Mantell realised … Read more
In Depth Discovered in the increasingly famous Hațeg basin of Romania, Paludititan was a genus of titanosaurian dinosaur that lived in Eastern Europe towards the end of the Cretaceous period. Paludititan is not the first titanosaur to be named from this part of the world, the dwarf titanosaur Magyarosaurus was named earlier and seems to … Read more
In Depth There has been a lot of uncertainty as to exactly what Rhopalodon was, but a 2005 study by Tverdokhlebov et al considered the genus to represent a mid-sized dinocephalian therapsid. Further Reading - Upper Permian vertebrates and their sedimentological context in the South Urals, Russia, - Earth-Science Reviews 69 27-77 55 - Valentin … Read more
In Depth Nanokogia seems to have been much like modern day pygmy sperm whales of the Kogia genus. This is reflected in the genus name which basically means ‘Small Kogia’. One difference however is that Nanokogia seems to have lacked teeth in the upper jaw, which may be a reflection of a specific prey specialisation. … Read more
In Depth The first description of Paleoparadoxia remains was published in 1939 by Tokunaga as Cornwallius tabatai. The genus Paleoparadoxia was not named until 1959 when R. H. Reinhart published a review of the Sirenia and Desmostylia. Paleoparadoxia was a large quadrupedal mammal that has been identified as a member of the Desmostylia (type genus … Read more
In Depth Named in reference to the more famous Triceratops, Eotriceratops was a large ceratopsian dinosaur of the late Cretaceous. At three meters long from the snout to the tip of the neck frill, the skull of Eotriceratops is also immense. The skull at the base of the left brow horn has bite marks which … Read more
In Depth Nine times out of ten Ischyodus in simply referred to as a prehistoric Chimaera. In this instance it is meant as being similar to Chimaera monstrosa, also known as the rat fish and the rabbit fish, due to its physical similarity. Both Ischyodus and Chimaera monstrosa are members of the Chondrichthyes, which means … Read more
In Depth Platycraniellus is a genus of therapsid that lived in South Africa during the early Triassic. Further Reading - Redescription of Platycraniellus elegans (Therapsida, Cynodontia) from the lower Triassic of South Africa, and the cladistic relationships of eutheriodonts. - Palaeontology col 50, issue 3 pp 591-618. - Fernando Abdala - 2007.
In Depth Chiayusaurus is a highly dubious genus of sauropod dinosaur because the type species is based upon the description of a tooth crown. The problem with such tooth taxons is that unless in exceptionally rare cases (like with Troodon), it is next to impossible to assign further remains. Even a second species named C. … Read more
In Depth Lycopsis is a genus of borhyaenoid mammal that lived in South America during the Miocene. Further Reading - A New Species of Lycopsis (Borhyaenidae: Marsupialia) from the La Venta Fauna (Late Miocene) of Colombia, South America. - Journal of Paleontology 51(3):633-642. - L. G. Marshall - 1977. - New clues for understanding Neogene … Read more