Previous Next / The Mahajanga Basin Project has resulted in the discovery of skulls and skeletons of Cretaceous vertebrates that are among the most complete and well preserved from Gondwana The Mahajanga Basin Project (MBP), initiated in 1993, is centered in the large depositional basin located in northwestern Madagascar. We have focused on the Maevarano Formation and developed four major study areas named Berivotra, Lac Kinkony, Masiakakoho, and Befandrama. The most fossiliferous, by far, is the Berivotra Study Area, from which we have recovered approximately 20,000 specimens and 50 taxa of fishes, frogs, turtles, lizards, snakes, crocodyliforms, pterosaurs, non-avian dinosaurs, birds, and mammals. Many of the specimens are articulated and complete, with excellent preservation, occasionally including not just bones and teeth but relatively soft tissues such as keratin and cartilage. Many of the specimens reveal unusual and even unique anatomical structures, likely the result of evolution in isolation, since Madagascar has been an island isolated in the Indian Ocean for ~88 million years. Most of the specimens have been recovered from the Anembalemba Member, but important additions to the Late Cretaceous fauna of Madagascar have been made from the Lac Kinkony, Masorobe, and Miadana members as well. A strong effort has been made to employ a variety of collecting methods—surface prospecting, quarrying, screening (both wet and dry)—in an attempt to sample the entire vertebrate fauna.