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Rugulina verrilli

From Wikipedia, the free encyclopedia

Rugulina verrilli
View of a shell of Rugulina verrilli
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Family: Pendromidae
Genus: Rugulina
Species:
R. verrilli
Binomial name
Rugulina verrilli
(Tryon, 1888)
Synonyms

Cyclostrema verrilli Tryon, 1888 (original combination)

Rugulina verrilli is a species of sea snail, a marine gastropod mollusk in the family Pendromidae.[1][2]

Description

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The white shell grows to a length of 2.2 mm. It is widely umbilicated and depressed, with a low spire. it is finely, longitudinally, obliquely striate, with several spiral lines on the body whorl above the periphery. These become more numerous and closer on the base. The spire consists of 3½ whorls with the last one large and very convex. The base of the shell is oblique. The large aperture is very obliquely ovate. The periphery is thin and sharp.[3]

Distribution

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This marine species occurs in the colder waters off eastern USA.

References

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  1. ^ Rosenberg, G. (2012). Rugulina verrilli (Tryon, 1888). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=533393 on 2012-12-23
  2. ^ Warén, A. (1991). New and little known Mollusca from Iceland and Scandinavia. Sarsia 76: 53-124
  3. ^ G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Cyclostrema verrilli)
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