Crassispira sulcataCrassispira sulcata is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies. Fossils have been found in Eocene strata in the Paris Basin, France.;Subspecies: † Crassispira sulcata adriani adriani, Crassispira quoniamensis † Crassispira sulcata costaria costaria ; Drillia costaria )