In Depth Vayuraptor is a genus of coelurosaurian theropod dinosaur that lived in Thailand during the Early Cretaceous. With the first fossils of the genus being discovered in the Sao Khua Fomation, Vayuraptor possibly shared its habitat with the dinosaurs Phuwiangvenator (which was also named in the same paper as Vayuraptor), Kinnareemimus, Siamosaurus, Siamotyrannus and … Read more
Bonapartenykus: Research Database Alvarezsauridae (Theropoda) · Late Cretaceous (~83–70 MYA) · South America — Argentina, Patagonia (Lechoja Formation) Research Note: Bonapartenykus was an alvarezsaurid theropod from the Late Cretaceous Lechoja Formation of Patagonia, Argentina. As a South American alvarezsaurid, it provides important data on alvarezsaurid diversity and distribution in Gondwana. Research Finding Status … Read more
In Depth Bicentenaria is an interesting theropod whose remains were recovered from the Ezequiel Ramos Mexia Reservoir, Rio Negro Province, Argentina by Raul Spedale in 1998. The remains were of a concentration of disarticulated remains of many individuals, but their similarity to one another strongly suggests that they were all from the same genus of … Read more
In Depth Proceratosaurus was a small predatory theropod dinosaur active in what would become southern England during the mid-Jurassic. Arthur Smith Woodward first described the partial skull of Proceratosaurus as another species of Megalosaurus, a genus that suffered from the wastebasket taxon effect of almost any predatory dinosaur fossil being attributed to it. Friedrich von … Read more
Fukuivenator: Research Database Maniraptora (Theropoda) · Early Cretaceous (~120 MYA) · Asia — Japan (Kitadani Formation) Research Note: Fukuivenator was a maniraptoran theropod from the Early Cretaceous of Japan — one of the few named dinosaur species from Japan and a unexpected member of the maniraptoran radiation in Early Cretaceous Asia. Its name means … Read more
Eotyrannus: Research Database Tyrannosauroidea (Theropoda) · Early Cretaceous (~130–125 MYA) ·> Europe — England (Isle of Wight, Wessex Formation) Research Note: Eotyrannus was an early tyrannosauroid from the Early Cretaceous Wessex Formation of the Isle of Wight, England. As a member of the early radiation of tyrannosauroids, it provides critical data on the evolution … Read more
In Depth Tugulusaurus is a little known genus of theropod dinosaur that lived in China during the early Cretaceous. Sometimes considered to be a dubious genus, Tugulusaurus has been re-affirmed as valid as recently as the early twenty-first century. Tugulusaurus is usually attributed as a coelurosaurian theropod, though the original describer Dong Zhiming speculated that … Read more
Scipionyx: Research Database Ceratosia (Theropoda) · Early Jurassic (~190 MYA) · Europe — Italy (Lombardy) Research Note: Scipionyx was a small theropod from the Early Jurassic of Italy. As a theropod with exceptional soft-tissue preservation, it provides important data on dinosaur anatomy and the early evolution of theropods. Research Finding Status Grade Year … Read more
In Depth Falcarius is a transitory species of therizinosaur that marks the change from meat eating to plant eating behaviour. Falcarius is considered by some to have eaten both making it an omnivore, although the leaf shaped teeth seem to be more suited to a herbivorous diet. Further Reading – A primitive therizinosauroid dinosaur from … Read more
In Depth Nedcolbertia is a genus of theropod dinosaur known to have lived in the Western portion of the United States during the early Cretaceous. Nedcolbertia is known from the partial remains of at least three individuals, though much of these remains were damaged by erosion before their discovery. Still, enough is known about Nedcolbertia … Read more