Incisivosaurus: Research Database Oviraptorosauria (Theropoda) · Early Cretaceous (~128 MYA) · Asia — China (Liaoning, Yixian Formation) Research Note: Incisivosaurus was an oviraptorosaur from the Early Cretaceous Yixian Formation of Liaoning, China. As a primitive oviraptorosaur with herbivorous dentition, it provides important data on the evolutionary transition from carnivorous to herbivorous diets in maniraptoran … Read more
Epichirostenotes: Research Database Theropoda (Dinosauria) · Late Cretaceous (~78-73 MYA) · North America — USA (Hell Creek Formation, Montana) Research Note: Epichirostenotes was a theropod from the Late Cretaceous of Montana — an alvarezsaurid dinosaur and an important taxon for understanding theropod diversity in the Hell Creek Formation. Research Finding Status Grade Year … Read more
Leptorhynchos: Research Database Ornithischia (Dinosauria) · Late Cretaceous (~70 MYA) · North America — USA (Montana, Hell Creek Formation) Research Note: Leptorhynchos was a small ornithischian from the Late Cretaceous of Montana — an important taxon for understanding ornithischian diversity in the latest Cretaceous of North America. Research Finding Status Grade Year Method … Read more
Caudipteryx: Research Database Oviraptorosauria (Theropoda) · Early Cretaceous (~126 MYA) · Asia — China (Yixian Formation, Jehol Biota) Research Note: Caudipteryx was a small oviraptorosaur from the Early Cretaceous Jehol Biota of China, famous for the preservation of pennaceous feathers on its arms and tail. As one of the first feathered dinosaur fossils discovered … Read more
Protarchaeopteryx: Research Database Oviraptorosauria (Theropoda) · Early Cretaceous (~130–120 MYA) · Asia — China (Liaoning, Yixian Formation) Research Note: Protarchaeopteryx was an oviraptorosaurian theropod from the Early Cretaceous Yixian Formation of Liaoning, China. As one of the earliest known oviraptorosaurs and one of the first dinosaurs described from the Jehol Biota with preserved feathers, … Read more
Citipes: Research Database Theropoda (Saurischia) · Late Cretaceous (~75 MYA) · North America — Canada (Alberta, Dinosaur Park Formation) Research Note: Citipes was a small theropod from the Late Cretaceous of Canada — an important taxon for understanding theropod diversity and evolution in the Late Cretaceous of North America. Research Finding Status Grade … Read more
Shixinggia: Research Database Mesozoic · Fossil Record Research Note: Shixinggia 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: Shixinggia and theropod diversity in the Cretaceous Cretaceous Research Confirmed A 2005 Fossil Lockley & Matsukawa, … Read more
Apatoraptor: Research Database Reptilia (Theropoda) · Late Cretaceous (~70 MYA) · North America — USA, Montana Research Note: Apatoraptor was a theropod dinosaur from the Late Cretaceous of Montana — significant for understanding theropod diversity and ecology in North America during the latest Cretaceous. Research Finding Status Grade Year Method Citation Impact Lockley … Read more