Other vertebrates include the amphibians, reptiles, birds, and mammals. Kingdom Metazoa, Phylum Chordata, Subphylum Vertebrata. Vickers-Rich has unearthed many important finds in Victoria, Australia, Alaska, USA, and Patagonia, South America. It lived during the Early Jurassic period , about 188-213 million years ago. Fossils of Vieraella have been found in Argentina, South America.
People are viviparous.
When a volcano erupts, it spews out lava and gases from deep inside the Earth . The Cretaceous period was a time of high volcanic activity. It lived during the early Jurassic period , roughly 208 to 201 million years ago. It had nail-like claws on its feet and an enlarged claw on each big toe. Its front legs were relatively long.