Mangelia tranquilla is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Barnard K.H. (1958), Contribution to the knowledge of South African marine Mollusca. Part 1. Gastropoda; Prosobranchiata: Toxoglossa; Annals of The South African Museum v. 44 p. 73–163
Description
The shell grows to a length of 2 mm, its diameter is 1.5 mm. Distribution This marine species is found off East London, South Africa.
References
External links Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.