Taxon profile


Ancistrolepis magnum W. H. Dall, 1895

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Caenogastropoda »  family Buccinidae - Whelks »  genus Ancistrolepis



Height 75 mm, Width 50 mm


Shell large, solid, broadly-fusiform, from sometimes almost oval to elongate in form, consists of 6.5-7 convex, quickly growing whorls, which are divided by a deep pressed sutura. The profile of whorl usually concave between the sutura and shoulder keel. Spiral sculpture consists of thin riblets, which form secondary ribs, placed on the all shell surface; and 1-3 rounded raised keels on the shoulder and periphery of whorls. Also, there are 7-10 rounded ribs on the shell base. Aperture is wide, occupies about 1/2 of the shell height, white, yellowish or bluish-gray. Inner lip is covered with thin mat white, light-yellowish or grayish callus. Shell is covered with rather thin, velvet, peeling olive or greenish periostracum, which forms short bristles.
[Egorov, 1994]


Bering and Okhotsk Seas, at depth of 72-200 m. Uncommon.
Authors: Jan Delsing, Egorov, 1994

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [] [as Ancistrolepis magnum Dall, 1895]
Data retrieved on: 23 November 2013

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