Biology:Gibbula nivosa

Gibbula nivosa
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
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.

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.

Distribution

This species occurs in the Mediterranean Sea off Malta.

Further reading

• Adams A., 1851: An arrangement of Stomatellidae, including the characters of a new genus, and of several new species; Proceedings of the Zoological Society of London 18: 29–40
• Monterosato T. A. (di), 1888–1889: Molluschi del Porto di Palermo. Specie e varietà ; Bullettino della Società Malacologica Italiana, Pisa, 13 (1888[1889?]): 161–180 14 (1889): 75–81
• Nordsieck F., 1982: Die europäischen Meeres-Gehäuseschnecken. 2. Auflage. * Gustav Fischer, Stuttgart; 539 pp., 38 pl.
• Smriglio C., Mariottini P. & Gravina F., 1991: Nota su alcune specie del genere Gibbula Risso, 1826 ex Leach ms; Bollettino Malacologico 27 (5–9): 61–75
• Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213

External links

• "Gibbula nivosa" (in en). Gastropods.com. http://www.gastropods.com/7/Shell_5847.shtml. 

Wikidata ☰ Q5559033 entry