Tachiraptor is a genus of carnivorous theropod dinosaurs found in the early Jurassic period La Quinta Formation of Venezuela. It includes one species, Tachiraptor admirabilis, described from a fossili

Sarcosaurus is a genus of basal neotheropod dinosaur, roughly 3.5 metres long. It lived in what is now England and maybe Ireland and Scotland during the Hettangian-Sinemurian stages of the Early Juras