Pyrgocythara plicosa
Pyrgocythara plicosa, common name the plicate mangelia, is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description. The size of the shell varies between 6 mm and 13 mm. Distribution. "P. plicosa" can be found in Atlantic and Caribbean waters, ranging from the coast of Massachusetts south to Panama. Fossils have been found in Quaternary strata of the United States (Florida, New Jersey) age range: 0.126 to 0.012 Ma.