Timurlengia

Timurlenghuia: Research Database Tyrannosauroidea (Theropoda) · Late Cretaceous (~90 MYA) &middot> Asia — Uzbekistan (Bissekty Formation)   Research Note: Timurlenghuia was a tyrannosauroid from the Late Cretaceous Bissekty Formation of Uzbekistan. As a small tyrannosauroid, it provides important data on the evolutionary transition from small tyrannosauroids to large tyrannosaurids.   Research Finding Status Grade Year … Read more

Aratasaurus

Aratasaurus: Research Database Dinosauria · Mesozoic · Fossil Record   Research Note: Aratasaurus 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: Aratasaurus and theropod footprint diversity Cretaceous Research Confirmed A 2005 Fossil Lockley & Matsukawa, … Read more

Xiongguanlong

Xiongguanlong: Research Database Tyrannosauroidea (Theropoda) · Early Late Cretaceous (~100-94 MYA) · Asia — China (Xinminpu Group)   Research Note: Xiongguanlong was a tyrannosauroid theropod from the Early Late Cretaceous of China — an important taxon for understanding the early evolution of tyrannosaurs before the rise of tyrannosaurids in the Late Cretaceous.   Research Finding … Read more

Coelurus

Coelurus: Research Database Coeluridae (Theropoda) · Late Jurassic (~155–150 MYA) · North America — USA, Wyoming (Morrison Formation)   Research Note: Coelurus was a small coelurid theropod from the Late Jurassic Morrison Formation of Wyoming, USA. As a Morrison Formation theropod, it provides important data on theropod diversity in the Jurassic of North America.   … Read more

Tanycolagreus

In Depth        Tanycolagreus has been dubbed a run of the mill kind of Jurassic predator.‭ ‬Small and lightweight,‭ ‬Tanycolagreus probably focused its attentions on hunting smaller dinosaurs that were too difficult for larger predators to live on.‭ ‬However the holotype specimen is of a three meter subadult,‭ ‬with further referred material indicating a size approaching … Read more

Aristosuchus

Aristosuchus: Research Database Coelurosauria (Theropoda) · Early Cretaceous (~130 MYA) · Europe — England (Isle of Wight)   Research Note: Aristosuchus was a small coelurosaurian theropod from the Early Cretaceous of the Isle of Wight, England — an important taxon for understanding theropod diversity in the Early Cretaceous of Europe.   Research Finding Status Grade … Read more

Shanyangosaurus

In Depth        Shanyangosaurus is a little known genus of coelurosaurian dinosaur that lived in China. Further Reading -‭ ‬The development and environmental changes of the intermontane basins in the Eastern part of Qinling Mountains.‭ ‬-‭ ‬Geological Publishing House,‭ ‬Beijing.‭ ‬-‭ ‬X.‭ ‬Xue,‭ ‬Y.‭ ‬Zhang,‭ ‬Y.‭ ‬Bi,‭ ‬L.‭ ‬Yue‭ & ‬D.-K.‭ ‬Chen‭ ‬-‭ ‬1996.

Patagonykus

Patagonykus: Research Database Alvarezsauridae (Theropoda) · Late Cretaceous (~86–83 MYA) · South America — Argentina (Portezuelo Formation)   Research Note: Patagonykus was an alvarezsaurid from the Late Cretaceous Portezuelo Formation of Patagonia, Argentina. As a South American alvarezsaurid, it provides important data on alvarezsaurid diversity and evolution in the Cretaceous of Gondwana.   Research Finding … Read more

Koparion

Kulceratops: Research Database Ceratopsia (Ornithischia) · Late Cretaceous (~90 MYA) · Asia — Uzbekistan (Bissekty Formation)   Research Note: Kulceratops was a ceratopsian from the Late Cretaceous Bissekty Formation of Uzbekistan. As a member of Ceratopsia, it provides important data on ceratopsian diversity in the Cretaceous of Central Asia.   Research Finding Status Grade Year … Read more

Archaeornithoides

Archaeornithoides: Research Database Troodontidae (Theropoda) · Late Cretaceous (~80-73 MYA) · Asia — Mongolia (Gobi Desert, Djadokhta Formation)   Research Note: Archaeornithoides was a troodontid theropod from the Late Cretaceous of Mongolia — a small, bird-like dinosaur and an important taxon for understanding troodontid diversity and the dinosaur-bird transition in the latest Cretaceous of Asia. … Read more