In Depth Along with Tyrannosaurus, Allosaurus is probably the most often represented large theropod dinosaur in popular culture. This is because it was one of the earliest discovered large predators and is known from more remains than any other large predatory dinosaur. One myth about Allosaurus that does need to be dispelled is that it … Read more
In Depth Narambuenatitan was a fairly small genus titanosaur that lived in South America during the Late Cretaceous. Narambuenatitan has also been noted as being similar to the genus Epachthosaurus, and the two are included within the Lithostrotia titanosaurs. Further Reading - A new titanosaur sauropod dinosaur from the Upper Cretaceous of North Patagonia, Argentina. … Read more
In Depth Boreonykus is a genus of dromaeosaurid dinosaur that lived in Canada during the late Cretaceous. Further Reading - A high-latitude dromaeosaurid, Boreonykus certekorum, gen. et sp. nov. (Theropoda), from the upper Campanian Wapiti Formation, west-central Alberta. - Journal of Vertebrate Paleontology e1034359. - P. R. Bell & P. J. Currie - 2015.
In Depth What makes Therizinosaurus and others from its group stand out from other dinosaurs are the huge claws that are on the end of its fingers. In Therizinosaurus these claws reached up to one meter long, and there purpose has three main theories. The first is for display, with the larger claws being indicative … Read more
In Depth Kaijutitan is a genus of titanosaur that lived in South America during the late Cretaceous. The name Kaijutitan is derived from the Japanese word ‘Kaiju’ which means ‘monster’. Further Reading - A new giant basal titanosaur sauropod in the Upper Cretaceous (Coniacian) of the Neuqu�n Basin, Argentina. - Cretaceous Research 100:61-81. - L. … Read more
In Depth Due to the incomplete nature of the holotype fossils, Ultrasaurus is today seen as a dubious genus of sauropod dinosaur, given that it would be near impossible to attribute further remains to the genus. Ultrasaurus is actually more famous for forcing a naming change in a North American genus of diplodocid dinosaur. In … Read more
In Depth Several hundred bones from an estimated four individuals have been attributed to this genus, and together they make up the best represented European genus of nodosaurid dinosaur. Like its nodosaurid relatives, Hungarosaurus was an armoured quadrupedal dinosaur that would have browsed upon low growing vegetation. The armour would have been an arrangement of … Read more
In Depth Lessemsaurus is a genus of sauropod dinosaur named in honour of the Don Lessem, an author noted for his work writing popular science books. Although Lessemsaurus is so far only based upon the description of vertebrae. These vertebrae are noted for having tall neural spines, something which may hint at a fleshy or … Read more
In Depth Remains of Brazilian dinosaurs are often noted as being incomplete (for example, the increasingly famous spinosaurid Oxalaia was named from only the tip of the snout), and Adamantisaurus was no exception to this since it was named from only six caudal vertebrae. These six vertebrae were originally written about in 1959 by Sergio … Read more
In Depth Rhinorex is a genus of saurolophine hadrosaur that lived in the USA during the late Cretaceous. Rhinorex can be further identified as a kritosaurine due to the development of the bones on the snout which would have formed a bony display structure in life. However, Rhinorex is also noted as being very similar … Read more