Genus: Brasileosaurus HUENE, 1931
Etymology: In reference to the country of Brazil, where the specimen was found and Greek, sauros, "lizard."

Species: pachaecoi HUENE, 1931
Etymology:

Holotype:

Locality: Guarucia, San Jose do Rio Preto, Sao Paulo State, Brazil.

Horizon: Adamantina Formation, Upper Bauru Group.

Biostratigraphy:

Age: Turonian Stage-Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Fragmentary femur and ulna.

Note: This material may not belong to the same specimen.