Pyrgocythara astricta
Pyrgocythara astricta, common name the tied mangelia, is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. This species is a nomen dubium. Description. The length of the shell attains 20 mm. (Original description) The shell is somewhat fusiformly ovate. The spire is rather short, the sutures deep. The shell is longitudinally ribbed, with numerous ribs rather close-set. The color of the shell is whitish, encircled with a narrow brown zone. Distribution. This species occurs off Florida, USA