What is "ammosaurus"

Ammosaurus (; "sand lizard") is a genus of sauropodomorph dinosaur from the Early and Middle Jurassic Period of North America. At 4 meters (13 feet) in length, it was small compared to some other members of its suborder, which included the largest animals ever to walk the Earth. It was a versatile animal, able to move both bipedally and quadrupedally, and may have been omnivorous. Remains have been discovered outside Connecticut but these are only tentatively, if at all, referred to Ammosaurus.