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Taxon profile

species

Epitonium krebsii (Morch, 1874)

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

Scientific synonyms

Epitonium contorquata W.H. Dall, 1889

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Description

(SYN!): Epitonium contorquata: Shell small, short, broad, acute, umbilicate, with rotund whorls loosely coiled, the later ones only joined by the fused varices; pure white, nucleus of four and a half translucent, flattened, smooth, shining whorls; the first extremely minute, the whole (in the type) set on obliquely to the axis of the adult, which has four and a half whorls, apparently smooth between the varices, but with extremely fine sharp spiral striae scattered here and there sparsely; aperture very slightly longer than wide, rounded; peristome slightly cancellately rugose on its anterior face ; varices on the last whorl twelve, attached to the front edges of those on the next above, thin, sharp, not wide, edge (when not chipped) simple, slightly produced behind near the sutures; base without rib or carina, with a narrow but deep umbilicus, around which the edges of the varices are not fused with one another. Lon. of shell, 4.7 mm; of last whorl, 3.2 mm; lat. 3.5 mm; max. diam. of aperture, 1.6 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)
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 Epitonium krebsii Mörch, 1874]
Data retrieved on: 23 November 2013

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