In Depth Drinker might sound like an odd name for a dinosaur, but this dinosaur is named after Edward Drinker Cope, a man who in the late nineteenth century who made many of the most important discoveries in American paleontological history during that time. Most of this is derived from Cope’s involvement in the ‘Bone … Read more
In Depth Maip is a genus of megaraptorid dinosaur that lived in South America during the Late Cretaceous, and going by the size of the fossil bones, potentially one of the largest megaraptorid dinosaurs so far discovered. The describing authors of Maip also considered the presence of potential attachment points of ligaments upon the ribs. … Read more
In Depth Bicentenaria is an interesting theropod whose remains were recovered from the Ezequiel Ramos Mexia Reservoir, Rio Negro Province, Argentina by Raul Spedale in 1998. The remains were of a concentration of disarticulated remains of many individuals, but their similarity to one another strongly suggests that they were all from the same genus of … Read more
In Depth Guaibasaurus is known from fairly good remains, though the skull is unknown. When first described, Guaibasaurus was considered to be a potential theropod dinosaur, though later a similarity with the primitive sauropodomorph dinosaur Saturnalia was noted, and now Guaibasaurus is usually seen as a very primitive sauropodomorph dinosaur. Further Reading - A new … Read more
In Depth Heterodontosaurus is one of more popular ornithischian genera thanks to the mixture of teeth in the mouth. Heterodontosaurus had blade-like incisor teeth and chisel-like molar teeth within the mouth for processing food by slicing and grinding respectively. The show stealing features of the mouth however are the large tusks in the anterior (front) … Read more
In Depth Vectaerovenator is a genus of theropod dinosaur that lived during the early cretaceous. Because the only fossil known for Vectaerovenator at the time of its description only consist of a few vertebrae, there is much we do not know about this dinosaur, including what kind of theropod dinosaur it was. Since the naming … Read more
In Depth Tianzhenosaurus is a genus of relatively small ankylosaurid dinosaur that lived in China during the late Cretaceous, though a specific point of time during the late Cretaceous is unavailable at the time of writing. There has however been speculation that Tianzhenosaurus may actually be synonymous with the genus Saichania. Further Reading - A … Read more
In Depth Today Cryptosaurus is considered to be a genus of ankylosaur, though because it is only known by a partial femur the genus is considered dubious because it would be almost impossible to assign further remains to the genus. When first described by Harry Govier Seeley, Cryptosaurus was thought to have been a relative … Read more
In Depth Yuanmousaurus is a genus of sauropod dinosaur that has most recently been considered to be related to genera such as Mamenchisaurus and Tienshanosaurus. This interpretation is based upon a partial cervical (neck) vertebra, at the time of writing the only part of the neck known that shows elongation similar to the neck vertebrae … Read more
In Depth Thescelosaurus seems to have been one of the main herbivorous dinosaurs roaming around North America towards the end of the Cretaceous period. The first fossils of Thescelosaurus began to be recovered in the closing decade of the nineteenth century, but were not described until 1913 by Charles W. Gilmore, who provided a much … Read more