Margarites pribiloffensis
Species of gastropod
From Wikipedia, the free encyclopedia
Margarites pribiloffensis, common name the Pribiloff margarite, is a species of sea snail, a marine gastropod mollusk in the family Margaritidae.[1][2]
| Pribiloff margarite | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Family: | Margaritidae |
| Genus: | Margarites |
| Species: | M. pribiloffensis |
| Binomial name | |
| Margarites pribiloffensis (Dall, 1919) | |
Description
The height of the shell attains 8 mm, its diameter 8.5 mm. The small, solid shell has a trochiform shape. It is pale straw color, with a small glassy nucleus and about 5½ subsequent well rounded whorls. The suture is distinct, and slightly appressed. The surface is dull, with fine incremental lines crossed by extremely fine spiral striae. The base is well rounded with a deep, not funicular umbilicus. The simple aperture is rounded. The outer lip produced at the suture and united with the columella by a thin glaze of enamel over the body. The inner lip is a little thickened, not reflected. The operculum is brownish with eight or more turns.[3]
Distribution
This species occurs in arctic waters.