(Black water lizard).
Named By: L. A. Leal, S. A. K. Azevodo, A. A. W. Kellner & A. A. S. da Rosa - 2004.
Classification: Chordata, Reptilia, Dinosauria, Sauropodomorpha, Plateosauria, Plateosauridae.
Species: U. tolentinoi (type).
Size: Estimated about 2.5 meters long.
Known locations: Brazil - Caturrita Formation.
Time period: Late Carnian/early Norian of the Triassic.
Fossil representation: Almost complete skull and partial post cranial remains.
Unaysaurus is the first confirmed sauropodomorph dinosaur to be named from Brazil, though there is speculation that another genus named in 1999 called Teyuwasu might also be a sauropodomorph. The closest relative to Unaysaurus is thought to be the famous Plateosaurus from Germany.
- A new early dinosaur (Sauropodomorpha) from the Caturrita Formation (Late Triassic) - Paraná Basin, Brazil. - Zootaxa 690: 1–24. - L. A. Leal, S. A. K. Azevodo, A. A. W. Kellner & A. A. S. da Rosa - 2004.