Wikipedia
Mangelia
Mangelia is a large genus of sea snails, marine gastropod mollusks in the family Mangeliidae. There are at least 78 described species.
The genus Mangelia used to be defined by a multispiral protoconch, contrary to the genus Mangeliella Bucquoy, Dautzenberg & Dollfus, 1883 which was defined by a paucispiral protoconch. In 2011 the genus Mangeliella has been recognized as a synonym of Mangelia.