Cretaceous-Tertiary boundary ostracodes from the Poty quarry, Pernambuco, northeastern Brazil

A taxonomic study was carried out on ostracodes from outcrop and core samples across the Cretaceous-Tertiary boundary in the Poty quarry, Pernambuco, northeastern Brazil. Thirty species belonging to 13 genera are described; one genus, Langiella, and eight species-Schizoptocythere potyensis, Paracosta recifeiensis, Protocosta reticulata, Protobuntonia glabra, Loxoconcha mariafarinhensis, Cytheropteron brasiliensis, Bythoceratina inflata, and Paracypris pernambucensis-are new.