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Taxon profile

species

Pleurotomella vaginata W. H. Dall, 1927

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Neogastropoda »  family Raphitomidae »  genus Pleurotomella

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Description

Shell small, whitish, subtabulate, with a small brownish nucleus of two whorls, the nepionic part of which is unicarinate and the axial threads prominent, followed by four well rounded, strongly sculptured whorls; suture distinct, constricted; anal sulcus deep but narrow, the fasciole narrow and close to the suture, somewhat excavated behind a prominent shoulder, giving a tabulate aspect to the whorls; axial sculpture of (on the last whorl 11) rounded somewhat flexuous ribs with much wider interspaces, the incremental lines obscure; spiral sculpture of numerous equal fine threads, sometimes alternated in size and sometimes not; but in general covering more or less closely the whole shell; aperture subovate, outer lip thin; pillar short, straight with a previous axis. Length, 5.3; diameter, 2.3 mm. U. S. Nat. Mus. Cat. No. 10S305.
Off Georgia, nine specimens.
Dall, W.H., 1927. Small shells from dredgings off the southeast coast of the United States by the United States Fisheries Steamer 'Albatross' in 1885 and 1886.
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 Pleurotomella vaginata Dall, 1927]
Data retrieved on: 23 November 2013

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