GENUS MEIOCERAS CARPENTER (1859)

TYPE SPECIES (SD: COSSMANN, 1912) MEIOCERAS CORNUCOPIAE CARPENTER, 1859, WEST INDIES

Diagnosis — Shell minute; teleoconch tubular, with adult stage having narrow posterior end, inflated middle region and contracted apertural end. Early teleoconch stages twisted to form helical spiral. Posterior end closed by conical septum. Protoconch planispirally coiled.