Crassispira terebraCrassispira terebra is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.DescriptionThe length of the shell attains 28 mm. William Swainson, an English malacologist, published a book in 1840 in which he describes this genus of molluscs as having a "shell tuberculated", being "club-shaped" and its "aperture widest in the middle."DistributionFossils have been found in Oligocene strata in Aquitaine, France.