Tremembé FormationThe Tremembé Formation is a major Oligocene geological formation within the Taubaté Basin of Brazil. It is notable for its fossils.LocationThe Tremembé Formation located within the Taubaté Basin in the state of São Paulo.GeologyThe formation is characterized by lacustrine deposits which were laid down during the Oligocene.PaleontologyThe Tremembé Formation contains many fossils which are of interest to paleontologists. Fish are particularly well preserved. Among other mammals significant Sparassodonta and Proborhyaenidae finds have been made.