Steromphala umbilicaris

Steromphala umbilicaris is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1]

Steromphala umbilicaris
Shell of Steromphala umbilicaris
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Steromphala
Species:
S. umbilicaris
Binomial name
Steromphala umbilicaris
(Linnaeus, 1758)
Synonyms[1]
  • Gibbula desserea Risso, 1826
  • Gibbula mediterranea Risso, 1826
  • Gibbula umbilicaris (Linnaeus, 1758)
  • Gibbula umbilicaris umbilicaris (Linnaeus, 1758)
  • Gibbula umbilicaris var. conica Monterosato, 1888
  • Gibbula umbilicaris var. globosa Monterosato, 1888
  • Gibbula umbilicaris var. gouini Monterosato, 1888
  • Gibbula umbilicaris var. intermedia Pallary, 1912
  • Gibbula umbilicaris var. nobrei Monterosato, 1888
  • Gibbula umbilicaris var. rubescens Monterosato, 1888
  • Trochus fuscatus Gmelin, 1791
  • Trochus latior Monterosato, 1880
  • Trochus latior var. albina Monterosato, 1880
  • Trochus umbilicaris Linnaeus, 1758
  • Trochus umbilicaris var. concolor Bucquoy, Dautzenberg & Dollfus, 1884
  • Trochus umbilicaris var. doriae Tapparone Canefri, 1869
  • Trochus umbilicaris var. soluta Bucquoy, Dautzenberg & Dollfus, 1884
  • Trochus umbilicaris var. tessellata Tapparone Canefri, 1869
  • Trochus umbilicaris var. undulata Bucquoy, Dautzenberg & Dollfus, 1884

Description

The size of an adult shell varies between 10 mm and 25 mm. The conical shell is umbilicate. Its color is cinereous, reddish, or purplish-brown, obscurely clouded, dotted or flamed with white The conical spire is acuminate. There are about seven whorls, slightly convex, spirally striate, microscopically obliquely striate. The lirae are generally subobsolete on the last whorl. The periphery is obtusely angulate. The aperture is rather small, oblique, rounded-quadrate, angled at the base and smooth within. The columella is arcuate above, straightened below.[2]

Distribution

This marine species occurs in European waters and in the Mediterranean Sea.

References

  1. MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicaris (Linnaeus, 1758). Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=1039840 on 2020-12-30
  2. George Washington Tryon, Structural and systematic conchology: an introduction to the study of the Mollusca, p. 203; 1882
  • 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
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