Margarites frigidus

Margarites frigidus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Superfamily: Trochoidea (superfamily)
Family: Turbinidae
Genus: Margarites
Species: M. frigidus
Binomial name
Margarites frigidus
Dall, 1919

Margarites frigidus, common name the polar margarite, is a species of sea snail, a marine gastropod mollusk in the family Margaritidae.[1][2]

Description

The height of the shell attains 9 mm. The small, conic shell is polished. It has a pale flesh color. It contains six whorls, including a minute subglobular nucleus. The suture is distinct, not appressed. The whorls are only moderately rounded. The axial sculpture consists of faint incremental lines. The spiral sculpture consists of a few very faint lines near the umbilical region. Therounded base is imperforate. The operculum is pale brown with about 8 turns. The rounded aperture is slightly angular above. The outer lip is simple and sharp. The body has a thin nacreous glaze. The columellar lip is rounded, and broader than the rest.[3]

Distribution

This marine species occurs from the Admiralty Islands, Alaska to Nunivak Island, Bering Sea.

References

  1. ↑ Rosenberg, G. (2012). Margarites frigidus. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=423503 on 2012-09-01
  2. ↑ Turgeon, D.D., et al. 1998. Common and scientific names of aquatic invertebrates of the United States and Canada. American Fisheries Society Special Publication 26
  3. ↑ Dall (1919) Descriptions of new species of Mollusca from the North Pacific Ocean; Proceeding of the U.S. National Museum, vol. 56 (1920)

External links

External identifiers for Margarites frigidus
Encyclopedia of Life 619498
ITIS 69886
WoRMS 423503
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