Tuojiangosaurus was a herbivore (plant-eater) that lived in China during the late Jurassic period, about million years ago. Its name means "Tuo River lizard". Tuojiangosaurus (meaning "Tuo River lizard") is a genus of herbivorous stegosaurid dinosaur from the Late Jurassic Period, recovered from the Upper Description · Discovery · Classification · Paleobiology. Learn about Tuojiangosaurus. Where they lived, what they ate and how big they were!. Notes: The first plated dinosaur known in China, Tuojiangosaurus resembled Stegosaurus but had smaller plates. It had two pairs of sharp spikes on its tail. The Dinosaur Directory Tuojiangosaurus - Natural History Museum. Tuojiangosaurus is a genus of herbivorous stegosaurid dinosaur from the Late Jurassic Period.