Margarites argentatus

Margarites argentatus
Drawing with two views of a shell of Margarites argentatus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Vetigastropoda
Superfamily: Trochoidea
Family: Margaritidae
Genus: Margarites
Species: M. argentatus
Binomial name
Margarites argentatus
(Gould, 1841) [1]
Synonyms
  • Margarita argentata Gould, 1841 (original description)
  • Margarita gigantea Leche, 1878
  • Trochus argentatus Philippi

Margarites argentatus is a species of sea snail, a marine gastropod mollusk in the family Margaritidae.[2]

Margarites argentatus var. gigantea Leche, 1878 is accepted as Margarites giganteus (Leche, 1878)

Description

The height of the shell attains 3.5 mm. The small, thin shell is narrowly umbilicate. The spire is globose-depressed, and conoidal. It is subtransparent, corneous or bluish white in color. The surface is lusterless and dull. It is closely marked all over by fine, close-set spiral striae, scarcely visible except under a lens. The blunt apex minute. The four whorls are tumid. The suture is deeply impressed. The circular aperture is oblique. The outer lip is simple and acute. The inner lip is arcuate, a trifle reflexed. The narrow umbilicus is deep.[3]

Distribution

This marine species occurs off the west coast of Scotland and in the northwest Atlantic Ocean.

References

This article is issued from Wikipedia - version of the 12/23/2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.