Marginella helmatina is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.
Subspecies Marginella helmatina cumingiana Petit de la Saussaye, 1841
Description The length of the shell attains 20 mm.
Distribution This marine species occurs off Gabon and São Tomé and Príncipe.
References
Bernard P.A. (1984). Coquillages du Gabon [Shells of Gabon]. Pierre A. Bernard: Libreville, Gabon. 140 pp, 75 plates, illus Cossignani T. (2006). Marginellidae & Cystiscidae of the World. L'Informatore Piceno. 408pp
External links Rang, [S.. (1832). Marginelle. Marginella Lam. M. helmatine. M. helmatina Rang. Magasin de Zoologie,. 2: Classe V, Planche 5 (with unpaginated text).]