Crassispira angulosaCrassispira angulosa is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.Subspecies: † ''Crassispira angulosa acyensis''DescriptionThe length of the shell attains 6.8 mm.DistributionFossils have been found in Eocene strata in the Paris Basin, France.