In Depth Aratasaurus is a genus of Coelurosaurian theropod dinosaur that lived in South America during the early Cretaceous. The holotype individual of Aratasaurus is estimated to have been about four years old at the time of death, and only a juvenile or at most a sub adult. Older adults would have likely been larger, … Read more
In Depth Ocepechelon is a fascinating genus of sea turtle for two reasons. First, with a skull that was seventy centimetres long, Ocepechelon must have been huge, but unfortunately without a shell and/or post cranial skeleton we don’t know how big. Second, the mouth of Ocepechelon is formed into a pipette-like feature which suggests that … Read more
In Depth Further Reading - Nachweis des Jaguars (Panthera onca gombaszoegensis) aus dem sp�ten Unter- oder fr�hen Mittelpleistoz�n der Niederlande. - Deinsea, Annual of the Natural History Museum Rotterdam. P. 47-57. - H. Hemmer & R.-D Kahlke - 2005. - New record of the European jaguar, Panthera onca gombaszoegensis (Kretzoi, 1938), from the Plio-Pleistocene of … Read more
In Depth Adynomosaurus is a genus of lambeosaurine hadrosaurid dinosaur that lived in Spain during the late Cretaceous. Further Reading - Adynomosaurus arcanus, a new lambeosaurine dinosaur from the Late Cretaceous Ibero-Armorican Island of the European Archipelago. - Cretaceous Research. 96: 19–37. - Albert Prieto-M�rquez, Victor, Fondevilla, Albert G. Sell�s, Jonathan R.Wagner & �ngel Galobart … Read more
In Depth Discovered in 1972 by Dimitar Kovachev, Kalimantsia did not get named until 2001. Although based upon the description of a skull, Kalimantsia is known to have had a shorter snout than many other known chalicotheres, something that might suggest a foraging specialisation in tougher types of vegetation that required a stronger bite (an … Read more
In Depth The western word for naming a genus dragon is ‘draco’, in China its ‘long’, but Azhdarcho is the Uzbek word for such a mythical beast. Azhdarcho is also the centre for the azdarchid line of pterosaurs. The azhdarchids are known for having long necks, the result of neck vertebrae that are longer in … Read more
In Depth Liaoceratops was a fairly small neoceratopsian dinosaur that is nonetheless a good example of the ancestors of the later and larger ceratopsian dinosaurs such as Triceratops and Styracosaurus that lived during the late Cretaceous. Liaoceratops had the beginnings of a neck frill, though nothing like the same scale as later descendants, and no … Read more
In Depth Chuxiongosaurus is a genus of sauropodomorph dinosaur that lived in China during the very early Jurassic. For this reason Chuxiongosaurus is often remembered as the first basal sauropodomorph dinosaur to be discovered in an early Jurassic aged deposit in China. When compared to other sauropodomorph genera, Chuxiongosaurus is noted as being similar to … Read more
In Depth Astrophocaudia was a genus of sauropod named in 2012, and considered to be part of a group of sauropods called the Somphospondyli along with Sauroposeidon. Further Reading - Revision of the sauropod dinosaurs of the Lower Cretaceous Trinity Group, southern USA, with the description of a new genus, Michael D. D’Emic - 2012.
In Depth Pyozia is a genus of varanopid pelycosaur that lived in Russia during the Permian. Further Reading - Pyozia mesenensis, a New, Small Vapanopid (Synapsida: Eupelycosauria) from Russia: ‘‘Pelycosaur’’ Diversity in the Middle Permian. - Journal of Vertebrate Paleontology 24(1):173-179. - J. S. Anderson & R. R. Reisz - 2004.