In Depth Although only described from very incomplete remains, a number of things can be inferred about Barreirosuchus. Comparison to other notosuchian genera indicates that in life Barreirosuchus may have been up to four meters long. The discovery of a nearby turtle rib is also taken as an indication that Barreirosuchus was at least semi-aquatic. … Read more
In Depth When Willinakaqe was first described it was from a collection of fossils from various different individual dinosaurs. With the holotype bones of Willinakaqe weathered, the other fossil bones were used as stand in to get a more complete picture of this dinosaur. This involved establishing what is known as a paratype, a more … Read more
In Depth Elaphrosaurus has been something of an enigma for palaeontologists as while it is generally regarded as a ceratosaur, its proportions are similar to some other kinds of theropods. The overall appearance of Elaphrosaurus is that of a lightweight hunter that relied more upon speed rather than strength to take down prey. The tibia … Read more
In Depth Although often labelled as a duck billed dinosaur, Saurolophus is more technically defined as a hadrosaurid due to its placement within the Hadrosauroidea. Even more specifically, Saurolophus is defined as the type genus of the Saurolophinae, the group of solid crested to crestless hadrosaurids that were previously known as hadrosaurines before the then … Read more
In Depth Woolungasaurus was an elasmosaurid plesiosaur, the group that are noted for having particularly long necks typified by the type genus Elasmosaurus. Out of this large sub group of plesiosaurs, Hydralmosaurus from North America is thought to be one of the most similar to Woolungasaurus. Another elasmosaurid plesiosaur that Woolungasaurus would have shared its … Read more
In Depth Talenkauen is a genus of small to medium sized ornithopod dinosaur that lived in South America during the late Cretaceous. Noted for being similar in overall build to the much older Dryosaurus from North America, some of the most notable features of Talenkauen include an arrangement of oval plates that run alongside the … Read more
In Depth Named in 2015 alongside Kuttanacaiman and Caiman wannlangstoni, Gnatusuchus was a small genus of caiman crocodile that lived in what is now Peru during the Miocene. The part of Peru that Gnatusuchus is known from would have been an expanse of freshwater swamp at this time, and in this swamp there seems to … Read more
In Depth Gueragama is a genus of iguanian lizard that lived in South America during the late Cretaceous. Further Reading - A stem acrodontan lizard in the Cretaceous of Brazil revises early lizard evolution in Gondwana. - Nature Communications 6:8149:1-8. - T. R. Sim�es, E. Wilner, M. W. Caldwell, L. C. Weinsch�tz & A. W. … Read more
In Depth Hualianceratops is a genus of small ceratopsian dinosaur that lived in China during the Late Jurassic. Identified as a member of the Chaoyangsauridae group of ceratopsians, Hualianceratops would have been a small and bipedal herbivore. Further Reading - A new taxon of basal ceratopsian from China and the early evolution of Ceratopsia. – … Read more
In Depth Sinankylosaurus is a genus of ankylosaur that lived in Asia during the late Cretaceous. Though only known from partial remains, the presence of Sinankylosaurus again illustrates the similarity of animal fauna between Asia and North America during the late Cretaceous. Further Reading - A new ankylosaurian from the Late Cretaceous strata of Zhucheng, … Read more