Marsenina stearnsii

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

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]
Synonyms
  • Lamellaria stearnsii Dall, 1871[2]

Description

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

Distribution

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]

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References
  1. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=72724
  2. http://www.bily.com/pnwsc/web-content/Articles/Name%20Changes%20from%20the%20Lights%20Manual.html
  3. “Marsenina stearnsii - GBIF Portal.” Web. 1 Jan 2010. http://data.gbif.org/species/Marsenina%20stearnsii
  4. “Marsenina stearnsii - Lamellarian on Flickr - Photo Sharing!.” Web. 1 Jan 2010. https://www.flickr.com/photos/mcduck/3197098221/#comment72157612587108572
  5. “Trididemnum opacum with Lamellaria stearnsii on Flickr - Photo Sharing!.” Web. 1 Jan 2010. https://www.flickr.com/photos/top_down/1459465867/
  6. Intertidal Invertebrates of the Monterey Bay Area, California
  • 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


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