Brontosaurus: Research Database Diplodocidae · Late Jurassic (~156-147 MYA) · Morrison Formation, Colorado & Wyoming, USA Research Note: Brontosaurus is one of the most famous dinosaurs, known from multiple well-preserved specimens. A landmark 2015 revision of Diplodocidae confirmed Brontosaurus as a valid genus distinct from Apatosaurus — overturning a century of scientific consensus. Research Finding … Read more
In Depth Dashanpusaurus is identified as a macronarian sauropod that might by related to the North American Camarasaurus, which means that it may have been a more specialised high browser. This fits in with another genus of sauropod from the Lower Shaximiao Formation called Abrosaurus that has also been considered to be a possible relative … Read more
In Depth Punatitan is a genus of titanosaurian dinosaur that lived in South America during the late Cretaceous. The genus name of this dinosaur is a reference to the thin air high up in the Andes mountain range where the holotype fossils of Punatitan were first discovered. Punatitan was named alongside the genus Bravasarus in … Read more
In Depth Chebsaurus is a genus of sauropod dinosaur that is known to have lived in what is now Algeria during the Jurassic. The genus name for Chebsaurus means ‘young man lizard’, from the Arabic word ‘cheb’, combined with the Ancient Greek for lizard. This is because the holotype specimen of this dinosaur is from … Read more
In Depth Qijianglong is a genus of sauropod dinosaur that lived in China during the late Jurassic. At the time of writing the genus is only known from a single juvenile, yet this juvenile is already fifteen meters long. It is uncertain how big Qijianglong could grow, but at fifteen meters just for a juvenile, … Read more
In Depth Comahuesaurus was is genus of rebbachisaurid sauropod that lived in South America during the early Cretaceous. As a rebacchiosauird, Comahuesaurus would be related to genera such as Zapalasaurus, Rebbachisaurus and Rayososaurus. Further Reading - A new basal rebbachisaurid (Sauropoda, Diplodocoidea) from the Early Cretaceous of the Neuqu�n Basin; evolution and biogeography of the … Read more
Borealosaurus: Research Database Reptilia (Sauropoda) · Late Cretaceous (~100 MYA) · Asia — China Research Note: Borealosaurus was a sauropod dinosaur from the Late Cretaceous of China — significant for representing Asian titanosaur diversity, providing important data on sauropod evolution and biogeography in Asia during the Cretaceous. Research Finding Status Grade Year Method … Read more
Limaysaurus: Research Database Titanosauria (Sauropoda) · Late Cretaceous (~100–94 MYA) · South America — Argentina (Cerro del Pueblo Formation) Research Note: Limaysaurus was a titanosaurian sauropod from the Late Cretaceous of Argentina. As a member of Titanosauria, it provides important data on sauropod diversity and evolution in South America during the Cretaceous. Research … Read more
In Depth When first described in 1988 by Zhang Yihun this sauropod dinosaur genus was named as Protognathus. However it was soon realised that the name Protognathus had already been used to name a genus of beetle, so the dinosaur was renamed buy George Olshevsky to become Protognathosaurus in order to make it distinct from … Read more
In Depth Since it was named in 1989, the dinosaur genus Bruhathkayosaurus has attained almost mythical status. The original description of the bones of this dinosaur were originally interpreted as belonging to a theropod dinosaur, though later study of the description has led readers to conclude that the remains were actually of a titanosaurid … Read more