In Depth A possible close relative of Saltasaurus, Yamanasaurus is a genus of titanosaurid dinosaur that lived in South America during the late Cretaceous. Yamanasaurus is also the very first dinosaur to be named from fossils discovered in Ecuador. Further Reading - The first dinosaur remains from the Cretaceous of Ecuador. Cretaceous Research. - S. … Read more
In Depth Further Reading - Galveosaurus herreroi, a new sauropod dinosaur from Villar del Arzobispo Formation (Tithonian-Berriasian) of Spain. - Zootaxa 1034: 1–20. - B�rbara S�nchez-Hern�ndez - 2005. - Un nuevo dinosaurio saur�podo, Galvesaurus herreroi gen. nov., sp. nov., del tr�nsito Jur�sico-Cret�cico en Galve (Teruel, NE de Espa�a). - Naturaleza Aragonesa 15: 4-17. - J. … Read more
In Depth The remains of Beishanlong are quite incomplete, but they do tell us that this was an ornithomimosaur and a particularly large one at that. The team of palaeontologists that described the first specimens came up with an estimated length of up to eight meters long, but further study yielded the discovery that the … Read more
In Depth Paludirex is a genus of crocodile that lived in Australia roughly during the Pliocene and Pleistocene periods. Further reading - Australia’s prehistoric ‘swamp king’: revision of the Plio-Pleistocene crocodylian genus Pallimnarchus de Vis, 1886. PeerJ. 8: e10466. - Jorgo Ristevski, Adam M. Yates, Gilbert J. Price, Ralph E. Molnar, Vera Weisbecker & Steven … Read more
In Depth Tonganosaurus is a genus of sauropod dinosaur that lived in China during the early Jurassic. Tonganosaurus is seen as being similar to Omeisaurus, and both are classified as mamenchisaurid sauropod dinosaurs (similar to Mamenchisaurus). Further Reading – [A new sauropod from the Lower Jurassic of Huili, Sichuan, China]. -Vertebrata PalAsiatica 48(3):185-202 - K. … Read more
In Depth Amanzia is a genus of sauropod dinosaur that lived in Europe during the late Jurassic. Amanzia is the first sauropod dinosaur known from Switzerland. Further Reading - Re-description of the sauropod dinosaur Amanzia (“Ornithopsis/Cetiosauriscus”) greppini n. gen. and other vertebrate remains from the Kimmeridgian (Late Jurassic) Reuchenette Formation of Moutier, Switzerland. - Swiss … Read more
In Depth The material that would be named as Montanoceratops was originally assigned to Leptoceratops as a second species in 1935 as Leptoceratops cerorhynchos. However the original remains were incomplete and when further and more complete material was discovered by C. M. Sternbergi this second species of Leptoceratops was realised to be a different albeit … Read more
In Depth Pantydraco was formerly known as Thecodontosaurus caducus, however re-examination of the many Thecodontosaurus species has resulted in many being regarded as synonyms or actually recognised as new animals, as is the case for Pantydraco. Named after the Pantyffynnon quarry where it was discovered, Pantydraco is thought to represent a basal sauropodomorph. For this … Read more
In Depth Koilamasuchus is a genus of archosauriform that lived in Argentina during the Triassic. Further Reading - A new basal archosauriform diapsid from the Lower Triassic of Argentina. - Journal of Vertebrate Paleontology 30(5):1433-1450. - M. D. Ezcurra, A. Lecuona & A. Martinelli - 2010.
In Depth With up to forty cervical vertebrae, Microcleidus had a proportionately longer neck than other plesiosaurs. This longer neck has in the past seen Microcleidus treated as an elasmosaurid (the group of long necked plesiosaurs like Elasmosaurus), although Microcleidus has also been considered to be a cryptoclidid (the group established around Cryptoclidus). On top … Read more