Deltadromeus: Research Database Ceratosauria (Theropoda) · Late Cretaceous (~95–90 MYA) · Gondwana — Morocco (Kem Kem Beds) Research Note: Deltadromeus was a large ceratosaur theropod from the Late Cretaceous of Morocco — one of the largest known theropods from Africa. As a member of the Ceratosauria, it provides data on theropod diversity and evolution … Read more
In Depth Nambalia is a genus of sauropodomorph dinosaur that lived in India during the late Triassic. Further Reading - New dinosaur species from the Upper Triassic Upper Maleri and Lower Dharmaram formations of Central India. - Earth and Environmental Science Transactions of the Royal Society of Edinburgh 101:333-349. - F. E. Novas, M. D. … Read more
Hesperornithoides: Research Database Troodontidae (Theropoda) · Late Jurassic (~155-150 MYA) · North America — USA, Wyoming (Morrison Formation) Research Note: Hesperornithoides was a troodontid theropod from the Late Jurassic of Wyoming — one of the few troodontids known from the Morrison Formation and an important taxon for understanding troodontid evolution in the Jurassic of … Read more
Othnielosaurus: Research Database Hypsilophodontidae (Ornithischia) · Late Jurassic (~155–148 MYA) · North America — USA, Colorado, Utah (Morrison Formation) Research Note: Othnielosaurus was a small, swift ornithischian from the Late Jurassic Morrison Formation of North America — one of the most common small herbivores in the Morrison ecosystem. Originally described alongside the famous dinosaur … Read more
Callovosaurus: Research Database Ornithischia (Dinosauria) · Middle Jurassic (~165-160 MYA) · Europe — England (Callovian, Oxford Clay) Research Note: Callovosaurus was an ornithischian dinosaur from the Middle Jurassic of England — one of the earliest known ornithischians from the Middle Jurassic of Europe and an important taxon for understanding early ornithischian evolution. Research … Read more
Eocarcharia: Research Database Theropoda (Dinosauria) · Early Cretaceous (~130-125 MYA) · Africa — Niger (Elrhaz Formation) Research Note: Eocarcharia was a theropod from the Early Cretaceous of Niger — a carcharodontosaurid and an important taxon for understanding theropod evolution in the Cretaceous of Africa. Research Finding Status Grade Year Method Citation Impact Lockley … Read more
In Depth Nhandumirim is a genus of saurischian dinosaur that lived in South America during the late Triassic. Nhandumirim has been interpreted both as a theropod dinosaur by some and a sauropodomorph by others. Unfortunately the lack of fossil preservation of the holotype individual makes it hard to be certain which. Further Reading - A … Read more
Liaoningosaurus: Research Database Nodosauridae (Ankylosauria) · Early Cretaceous (~125–120 MYA) · Asia — China (Liaoning, Yixian Formation) Research Note: Liaoningosaurus was a small nodosaurid ankylosaur from the Early Cretaceous Yixian Formation of Liaoning, China. Notable for its exceptionally small body size compared to most other ankylosaurs and its preservation alongside possible stomach contents, it … Read more
Ceratosaurus: Research Database Theropoda · Cretaceous · Unknown Research Note: Ceratosaurus was a theropoda from the Cretaceous of Unknown, providing important data on prehistoric life and ecosystem dynamics. Research Finding Status Grade Year Method Citation Impact Gilmore 1920: Ceratosaurus and related taxa Journal Confirmed B 1920 Fossil Gilmore, Journal Taxonomy Hay 1908: Ceratosaurus … 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