Herrerasaurus is likely a genus of saurischian dinosaur from the Late Triassic period. Measuring 6 m long and weighing around 350 kg, this genus was one of the earliest dinosaurs from the fossil recor

Tawa is a genus of possible basal theropod dinosaurs from the Late Triassic period. The fossil remains of Tawa hallae, the type and only species were found in the Hayden Quarry of Ghost Ranch, New Mex