Archaeodontosaurus
Archaeodontosaurus is a genus of sauropod dinosaur from the Middle Jurassic. Its fossils were found in the Isalo [III Formation] of Madagascar. The type species, Archaeodontosaurus descouensi, was described in September 2005. The specific name honours the collector, Didier Descouens. It is a probable sauropod, with prosauropod-like teeth. It may be a basal member of Gravisauria.