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

摘要

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.