Named By: Shikama & Ozaki - 1966.
Classification: Chordata, Parareptilia, Mesosauria, Mesosauridae.
Species: B. sanpauloensis (type).
Size: Roughly about 42-45 centimetres long for the holotype.
Known locations: Brazil - Irati Formation.
Time period: Artinskian of the Permian.
Fossil representation: At least one individual known by reasonably good remains.
Brazilosaurus is a relative of the better known Mesosaurus, and like Mesosaurus, Brazilosaurus was a semi-aquatic reptile that hunted for fish and other small aquatic animals in the water.
- On a Reptilian Skeleton from the Palaeozoic Formation of San Paulo, Brazil. - Transactions and Proceedings of the Palaeontological Society of Japan, New Series 64: 351–358. - T. Shikama and H. Ozaki - 1966.