In Depth Irisosaurus is a genus of sauropodomorph that lived in Asia during the early Jurassic. Though only known from partial remains, Irisosaurus is thought to have been similar to the genus Mussaurus. Further reading - A new species of early-diverging Sauropodiformes from the Lower Jurassic Fengjiahe Formation of Yunnan Province, China. - Scientific Reports. … Read more
In Depth Leonerasaurus is a genus of sauropodomorph dinosaur that is known to have lived in South America during the early Jurassic. Leonerasaurus is notable for having a mix of physical characteristics that are seen in both sauropodomorph dinosaurs as well as later sauropods, though current thinking is that Leonerasaurus was a sauropodomorph, but one … Read more
In Depth Ammosaurus has a long taxonomic relationship with Anchisaurus. The holotype fossils of Ammosaurus were originally described as a large species of Anchisaurus by Othniel Charles Marsh before they were erected as a distinct genus. Marsh then named a new species of Anchisaurus, A. solus, but then attributed that to Ammosaurus. Later palaeontologists found … Read more