Turbonilla madrinensis
Shell of Turbonilla madrinensis (holotype at MNHN, Paris)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Family:	Pyramidellidae
Genus:	Turbonilla
Species:	T. madrinensis
Binomial name
Turbonilla madrinensis Lamy, 1905

Turbonilla madrinensis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.^[1]

Description

The length of the shell varies between 3 mm and 5.1 mm. Species average size is 5.5 inches but has been known to be as small as 2 inches or as large as 12.5 inches. These snails are the only known species with throbbing veins and girthy shells

Distribution

This species occurs in the Atlantic Ocean off Argentina at depths between 36 m and 57 m.