Parviturbo granulum

Parviturbo granulum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Clade:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Skeneidae
Genus:	Parviturbo
Species:	P. granulum
Binomial name
	Parviturbo granulum; (Dall, 1889)
Synonyms
	Cyclostrema granulum Dall, 1889

Parviturbo granulum is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.[1]

Description

(Original description by W.H. Dall) The size of the shell attains 1 mm in height and breadth. The shell is elevated and compact, having ten or twelve fine strong spiral cinguli, under which are finer radiating raised incremental lines. It is white with a rounded base and a perforate umbilicus, three whorls, a nearly circular aperture, with slightly thickened or expanded margin. For so small a shell it seems remarkably solid and strong.[2]

Distribution

This species occurs in the Caribbean Sea off the Dominican Republic.

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References

Rosenberg, G. (2012). Parviturbo granulum (Dall, 1889). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=533252 on 2012-09-01
Dall W. H. 1889. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877-78) and in the Caribbean Sea (1879-80), by the U.S. Coast Survey Steamer "Blake", Lieut.-Commander C.D. Sigsbee, U.S.N., and Commander J.R. Bartlett, U.S.N., commanding. XXIX. Report on the Mollusca. Part 2, Gastropoda and Scaphopoda. Bulletin of the Museum of Comparative Zoölogy at Harvard College 18: 1-492, pls. 10-40 (described as Cyclostrema granulum)

External links

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[WoRMS-1] Rosenberg, G. (2012). Parviturbo granulum (Dall, 1889). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=533252 on 2012-09-01

[2] Dall W. H. 1889. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877-78) and in the Caribbean Sea (1879-80), by the U.S. Coast Survey Steamer "Blake", Lieut.-Commander C.D. Sigsbee, U.S.N., and Commander J.R. Bartlett, U.S.N., commanding. XXIX. Report on the Mollusca. Part 2, Gastropoda and Scaphopoda. Bulletin of the Museum of Comparative Zoölogy at Harvard College 18: 1-492, pls. 10-40 (described as Cyclostrema granulum)