Jiangxisaurus: Research Database Pterosauria (Archosauria) · Late Cretaceous (~72 MYA) · Asia — China (Jiangxi Province) Research Note: Jiangxisaurus was a pterosaur from the Late Cretaceous of China — an important taxon for understanding pterosaur diversity in East Asia during the latest Cretaceous. Research Finding Status Grade Year Method Citation Impact Labita & … Read more
Siamosaurus: Research Database Theropoda (Spinosauridae) · Cretaceous · Thailand Research Note: Siamosaurus was a spinosaurid theropod from the Cretaceous of Thailand — significant for understanding spinosaurid diversity and distribution in Southeast Asia during the Cretaceous. Research Finding Status Grade Year Method Citation Impact Malafaia et al. 2019: Siamosaurus and spinosaurid diversity in the … Read more
Unenlagia: Research Database Dromaeosauridae (Theropoda) · Late Cretaceous (~90 MYA) · South America — Argentina (Cerro del Pueblo Formation) Research Note: Unenlagia was a dromaeosaurid theropod from the Late Cretaceous Cerro del Pueblo Formation of Argentina. As a South American dromaeosaurid, it provides important data on the biogeography and evolutionary relationships of dromaeosaurids in … Read more
Tsintaosaurus: Research Database Hadrosauridae (Ornithischia) · Late Cretaceous (~80-74 MYA) · Asia — China (Shandong Province, Jingangkou Formation) Research Note: Tsintaosaurus was a hadrosaurid dinosaur from the Late Cretaceous of Shandong, China — one of the best-known hadrosaurids from China with a distinctive nasal crest and an important taxon for understanding hadrosaurid evolution. … Read more
Oviraptor: Research Database Oviraptoridae (Theropoda) · Late Cretaceous (~75 MYA) · Asia — Mongolia (Gobi Desert) Research Note: Oviraptor is one of the most famous dinosaurs from the Gobi Desert, known for its distinctive crested skull and the controversial discovery of eggs initially thought to belong to Protoceratops before being correctly attributed to Oviraptor … Read more
Mahakala: Research Database Dromaeosauridae (Theropoda) · Late Cretaceous (~75–71 MYA) · Asia — Mongolia (Gobi Desert) Research Note: Mahakala was a small dromaeosaurid theropod from the Late Cretaceous of Mongolia — one of the smallest known dromaeosaurids and a critical taxon for understanding the evolution of small predatory dinosaurs leading to birds. Its name … Read more
Tenontosaurus: Research Database Dryosauridae (Ornithischia) · Early Cretaceous (~115–110 MYA) · North America — USA (Morrison Formation, Cloverly Formation) Research Note: Tenontosaurus was a medium-sized ornithischian from the Early Cretaceous of western North America, one of the most abundant dinosaurs in the Morrison and Cloverly Formations. Its name means “sinew lizard” — referring to … Read more
Homalocephale: Research Database Pachycephalosauridae (Ornithischia) · Late Cretaceous (~70–68 MYA) · Asia — Mongolia (Gobi Desert, Nemegt Formation) Research Note: Homalocephale was a pachycephalosaurid ornithischian from the Late Cretaceous Nemegt Formation of Mongolia, notable for its flat, wedge-shaped skull roof rather than the domed forehead seen in most other pachycephalosaurs. This unusual cranial morphology … Read more
In Depth Zapalasaurus is another example of an early cretaceous era diplodocoid sauropod, a find significant in itself since many diplodocid genera are dated to the Late Jurassic. Further to its inclusion within the Diplodocoidea, Zapalasaurus has been included as a member of the Rebbachisauridae, a sub group of the Diplodocoidea that includes other Cretaceous … Read more
In Depth Pandoravenator is a genus of predatory dinosaur that lived in South America during the Late Jurassic. Further Reading - A theropod dinosaur from the Late Jurassic Ca�ad�n Calc�reo Formation of central Patagonia, and the evolution of the theropod tarsus. - Ameghiniana 54:506-538. - O. W. M. Rauhut & D. Pol - 2017.