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Taxon profile

species

Epitonium nitidella (Dall, 1889)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  family Epitoniidae - Wentletraps »  genus Epitonium

Scientific synonyms

Depressiscala nitidella W. H. Dall, 1889

Images

Epitonium nitidella

Author: Weil, Brown & Neville

Epitonium nitidella

Author: Dall, W.H.

Taxon in country check-lists*

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Description

Depressiscala nitidella: Shell thin, delicate, with nine well rounded and four nuclear whorls, having the most brilliant polish; shell white or more generally liberally blotched with cloudy spots of light brown disposed in an irregularly spiral manner along the whorl. Varices nine, frequently continuous, low, narrow, smooth, white, recurved, the tip appressed at the suture on to the preceding whorl. Base rounded, umbilicate, with no spiral sculpture, cordon, or disk; whorls in contact at the suture, which is deep and distinct; on each whorl, or nearly every one, one of the varices is markedly larger than the others; aperture egg-oval, lip moderately reflected, a little expanded toward the axis anteriorly. Apex acute, whitish, glassy. Lon. 13.5 mm, max. lat. 5.0 mm.
Source: Dall, 1889. Reports on the results of dredgings, 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'. (Original description)

Interchangeable taxa

Depressiscala nitidella: This pretty species recalls S. lineolata Kiener, from which, however, it is more than sufficiently separated by the great difference in the number of ribs, the form of the lip, etc. It is remarkable for the brilliant polish of its surface, and is separated from the whole clathrus group by the absence of any basal cordon.

Distribution

Depressiscala nitidella: Fifteen to thirty miles off the North Carolina coast.
Author: Jan Delsing

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Depressiscala nitidella Dall, 1889]
Data retrieved on: 23 November 2013

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