Gibbula nivosa

Gibbula nivosa
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Superfamily: Trochoidea (superfamily)
Family: Trochidae
Genus: Gibbula
Species: G. nivosa
Binomial name
Gibbula nivosa
A. Adams, 1851
Synonyms
  • Gibbula altimirai Nordsieck 1982
  • Gibbula rotella Monterosato 1888
  • Trochus pictus Philippi 1846

Gibbula nivosa, common name the Maltese top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1]

Description

The size of the shell varies between 6 mm and 9 mm. The umbilicate shell has an orbiculate-conoidal shape. It is gray with almost round spots. It is sulcatei in a crosswise direction and longitudinally substriate. The aperture is almost round. The columella is flexuous. The base of the shell is rounded. [2]

Distribution

This species occurs in the Mediterranean Sea off Malta.

References

Further reading

External links

This article is issued from Wikipedia - version of the Tuesday, August 11, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.