Abstract
Mesozoic non-marine sedimentary sequences occur in several basins of Northeastern Brazil, among which are the Rio do Peixe, Araripe, and Lavras da Mangabeira. These successions mostly consist of lacustrine terrigenous deposits with ostracod fauna, which has been used to build a local zonation for the Late Jurassic?-Early Cretaceous (Dom João, Rio da Serra Aratu, Buracica, Juquiá, and Alag…