Pawpawsaurus: Research Database Nodosauridae (Ornithischia) · Early Cretaceous (~110 MYA) · North America — USA (Duck Creek Formation, Texas) Research Note: Pawpawsaurus is an important fossil taxon. See citations below for primary research literature. Research Finding Status Grade Year Method Citation Impact Frederickson et al. 2016: Description and analysis of Pawpawsaurus from the … Read more
Barsboldia: Research Database Hadrosauridae (Ornithischia) · Late Cretaceous (~70 MYA) · Asia — Mongolia (Gobi Desert, Nemegt Formation) Research Note: Barsboldia was a saurolophine hadrosaurid from the Late Cretaceous of Mongolia — one of the last known hadrosaurids before the end-Cretaceous extinction and an important taxon for understanding hadrosaurid evolution and diversity in the … Read more
Cathayornis: Research Database Ornithothoraces (Aves) · Early Cretaceous (~130–120 MYA) · Asia — China (Liaoning, Yixian Formation) Research Note: Cathayornis was an early ornithothoracine bird from the Early Cretaceous of China — part of the spectacular Jehol Biota that has transformed our understanding of early bird evolution. As a basal ornithothoracine, it provides data … Read more
Regnosaurus: Research Database Stegosauria (Ornithischia) · Early Cretaceous (~140 MYA) · Europe — England (Sussex) Research Note: Regnosaurus was a stegosaur from the Early Cretaceous of England — one of the oldest known stegosaurs from Europe and an important taxon for understanding stegosaur evolution and biogeography. Research Finding Status Grade Year Method Citation … Read more
Paludititan: Research Database Titanosauria (Sauropoda) · Late Cretaceous (~70 MYA) · Europe — Romania (Hațeg Basin) Research Note: Paludititan was a titanosaur from the Late Cretaceous of the Hațeg Basin, Romania — an island-dwarf titanosaur and an important taxon for understanding titanosaur evolution on Late Cretaceous European islands. Research Finding Status Grade Year … Read more
Chiayusaurus: Research Database Sauropoda (Saurischia) · Early Cretaceous (~140 MYA) · Asia — China (Liaoning Province) Research Note: Chiayusaurus was a sauropod from the Early Cretaceous of China — an important taxon for understanding sauropod evolution and diversity in Asia during the Cretaceous. Research Finding Status Grade Year Method Citation Impact Moratalla et … Read more
In Depth Niebla is a genus of abelisaurid dinosaur that lived in South America during the late Cretaceous. Though only known from partial remains, Niebla seems to have actually been quite a small abelisaurid dinosaur, perhaps only about half of the size of some of the larger abelisaurid dinosaurs that were also roaming around South … Read more
Rhoetosaurus: Research Database Sauropoda (Dinosauria) · Middle-Late Jurassic (~170-165 MYA) · Australia — Queensland (Clarence-Moreton Basin) Research Note: Rhoetosaurus is an important fossil taxon. See citations below for primary research literature. Research Finding Status Grade Year Method Citation Impact Nair & Salisbury 2012: Comprehensive description and phylogenetic analysis of Rhoetosaurus from the Middle-Late … Read more
Megapnosaurus: Research Database Coelophysidae (Theropoda) · Late Triassic (~210–195 MYA) · North America — USA, Arizona, New Mexico (Kayenta Formation, Chinle Formation) Research Note: Megapnosaurus (meaning "large dead lizard") was a small coelophysid theropod from the Late Triassic of North America. Originally placed in the genus Coelophysis, it was separated into its own genus … Read more
In Depth Dongyangopelta is a genus of nodosaurid dinosaur that lived in South-east China around the early/late Cretaceous boundary. Nodosaurids were similar to ankylosaurids, though they lacked the clubbed tail and usually had narrower skulls. Another genus of nodosaurid dinosaur named Zhejiangosaurus is also known from this part of China, though there are clear differences … Read more