Huinculsaurus: Research Database Carcharodontosauridae (Theropoda) · Late Cretaceous (~95 MYA) · South America — Argentina (Neuquén Province) Research Note: Huinculsaurus was a carcharodontosaurid from the Late Cretaceous of Argentina — an important taxon for understanding large predatory dinosaur evolution in South America. Research Finding Status Grade Year Method Citation Impact Gianechini et al. … Read more
Urbacodon: Research Database Mesozoic · Fossil Record Research Note: Urbacodon was a significant fossil species providing important data on vertebrate evolution during the Mesozoic era. Research Finding Status Grade Year Method Citation Impact Lockley & Matsukawa 2005: Urbacodon and theropod diversity in the Cretaceous Cretaceous Research Confirmed A 2005 Fossil Lockley & Matsukawa, … Read more
In Depth Leshansaurus was a mid-sized theropod of the late Jurassic of China with jaws that were proportionately longer than most other theropods of the time that also widened slightly. These features might denote a prey specialisation for Leshansaurus, perhaps somehow helping it to deal with the large variety of relatively small stegosaurs of the … Read more
Choconsaurus: Research Database Titanosauria (Sauropoda) · Late Cretaceous (~77-70 MYA) · South America — Argentina (Neuquén, Cerro Lotena Group) Research Note: Choconsaurus was a titanosaurian sauropod from the Late Cretaceous of Argentina — a member of the Titanosauria that provides data on titanosaur diversity and the Cretaceous dinosaur faunas of South America. Research … Read more
In Depth Hippodraco is a genus of medium sized ornithopod dinosaur that lived in North America during the early Cretaceous. Though still a fairly large dinosaur when compared to a person, Hippodraco paled in comparison to the impressively large Iguanacolossus, which is known from the same member of the Cedar Mountain Formation that Hippodraco was … Read more
Noasaurus: Research Database Ceratosauria (Theropoda) · Late Cretaceous (~70–66 MYA) · Gondwana — India/Madagascar (Maevarano Formation / Berivotra) Research Note: Noasaurus was a small ceratosaur theropod from the Latest Cretaceous of Gondwana — one of the last non-avian dinosaurs before the K-Pg extinction. As part of the gondwanan dinosaur faunas that survived into the … Read more
Ubirajara: Research Database Pterosauria (Avialae) · Early Cretaceous (~112 MYA) · South America — Brazil (Araripe Basin) Research Note: Ubirajara was a pterosaur from the Early Cretaceous Araripe Basin of Brazil. As a member of the pterosaur fauna of the Early Cretaceous of South America, it provides important data on pterosaur diversity and evolution … Read more
In Depth Shanxia is a genus of ankylosaur that lived in China during the Late Cretaceous. However not much fossil material is available and there is speculation that Shanxia may actually just be further remains of the genus Tianzhenosaurus. Further Reading - A new ankylosaurian dinosaur (Ornithischia: Ankylosauria) from the Upper Cretaceous of Shanxi Province, … Read more
Nanshiungosaurus: Research Database Therizinosauria (Theropoda) · Late Cretaceous (~70 MYA) · Asia — China (Henan Province) Research Note: Nanshiungosaurus was a therizinosaur theropod from the Late Cretaceous of China — one of the few named therizinosaurs from Asia. As a member of the Therizinosauria, it provides data on therizinosaur diversity and evolution in the … Read more
Barrosasaurus: Research Database Titanosauria (Sauropoda) · Late Cretaceous (~70 MYA) · South America — Argentina (Neuquén) Research Note: Barrosasaurus was a titanosaur from the Late Cretaceous of Argentina — an important taxon for understanding titanosaur evolution in South America during the Cretaceous. Research Finding Status Grade Year Method Citation Impact Salgado & Goloboff … Read more