Rissoa membranacea

Rissoa membranacea is a species of small sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae.^[1]

Rissoa membranacea
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Rissoidae
Genus:	Rissoa
Species:	R. membranacea
Binomial name
Rissoa membranacea (Adams J., 1800)
Synonyms[1]
Alvania plicatula Risso, 1826 Helix labiosa Montagu, 1803 Rissoa cornea Lovén, 1846 junior subjective synonym Rissoa elata R. A. Philippi, 1844 junior subjective synonym Rissoa fragilis Michaud, 1830 Rissoa grossa Michaud, 1830 Rissoa grossa var. elatopsis Mars, 1956 (infrasubspecific name) Rissoa grossa var. plicacea Mars, 1956 (nfrasubspecific name, nude name, or name published in synonymy) Rissoa labiosa (Montagu, 1803) Rissoa membranacea var. cornea (Lovén, 1846) Rissoa membranacea var. gracilis (Forbes & Hanley, 1850) (infrasubspecific name) Rissoa membranacea var. labiosa (Montagu, 1803) Rissoa membranacea var. minor Jeffreys, 1867 Rissoa membranacea var. octona auct. non Linnaeus, 1767 Rissoa oblonga Desmarest, 1814 Rissoa octona (Nilsson, 1822) junior subjective synonym (junior synonym) Rissoa plicatula (Risso, 1826) junior subjective synonym Rissoa pontica Milaschewitsch, 1916 Rissoa venusta var. pontica Milaschewitsch, 1916 (accepted as full species) Rissostomia brunosericea Smagowicz, 1977 · Rissostomia membranacea (J. Adams, 1797) Rissostomia membranacea cornea (Lovén, 1846) Rissostomia membranacea labiosa (Montagu, 1803) Rissostomia membranacea octona auct. non Linnaeus, 1767 Turbo costatus Pulteney, 1799 Turbo membranaceus J. Adams, 1800 Turboella (Nititurboella) cornea (Lovén, 1846) Zippora membranacea ()J.Adams, 1800

Rissoa membranacea var. labiosa

Description

The length of the shell varies between 4 mm and 11 mm.

Distribution

This species occurs in the Atlantic Ocean from Western nOrway to the British Isles; in the Mediterranean Sea in the Alboran Sea.