Marsenina stearnsii

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Marsenina stearnsii
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily: Velutinoidea
Family: Velutinidae
Subfamily: Lamellariinae
Genus: Marsenina
Species: M. stearnsii
Binomial name
Marsenina stearnsii
(Dall, 1871)[1]
  • Lamellaria stearnsii Dall, 1871[2]

Marsenina stearnsii is a species of small slug-like sea snail, a marine gastropod mollusc in the subfamily Lamellariinae of the family Velutinidae.


The size of an adult shell varies between 15 and 20 millimetres (0.59 and 0.79 in). The thin, translusent white shell is visible through a dorsal pore in the mantle. The finely pitted mantle is white to pale pink with darker spots.[citation needed]


This white slug-like snail is known from Alaska[3] and central California.[4] It can be found in the rocky intertidal, often in association with the ascidian Trididemnum opacum.[4][5] It is relatively rare, found in the low rocky intertidal, usually under rocks on the ascidian Trididemnem opacum which it matches in color and pattern and upon which it preys.[6]


  • Turgeon, D.; Quinn, J.F.; Bogan, A.E.; Coan, E.V.; Hochberg, F.G.; Lyons, W.G.; Mikkelsen, P.M.; Neves, R.J.; Roper, C.F.E.; Rosenberg, G.; Roth, B.; Scheltema, A.; Thompson, F.G.; Vecchione, M.; Williams, J.D. (1998). Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks. 2nd ed. American Fisheries Society Special Publication, 26. American Fisheries Society: Bethesda, MD (USA). ISBN 1-888569-01-8. IX, 526 + cd-rom pp.
  • ITIS info, authority and date

External links[edit]