Camposaurus

Camposaurus (/ˌkæmpoʊˈsɔːrəs, -pə-/ KAMP-o-SOR-əs) is a coelophysoid dinosaur genus from the Norian stage of the Late Triassic period of North America. The pertinent fossil remains date back to the early to middle Norian stage, and is widely regarded as the oldest known neotheropod.