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Taxon profile

species

Ancistrolepis okhotense W. H. Dall, 1925

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

Size

Height 57.5 mm, Width 36.5 mm.

Description

Shell small, solid, almost egg-like, consists of 7 rounded very convex whorls, divided by a deep, pressed, almost channeled sutura. The spire is low. Spiral sculpture consists of ribs, which often regularly alternate in thickness and prominence. All the shell surface is covered by traces of spiral growings. There are about 60 ribs on the body whorl and 25-30 ribs on the penultimate whorl, 10-16 ribs are more distinct on the body whorl. Aperture is broadly-oval, white. Outer lip is thin. Inner lip is covered with thin white callus. Siphon is very wide, short, curved to the left. Shell is covered with thick, dense, light-yellow translucent periostracum, which form axial lamellae with long bristles. Color of shell is dirty-white.
[Egorov, 1994]

Interchangeable taxa

The species slightly resembles a Pseudoliomesus ooides, differs from late in more convex whorls, more distinct, ribs and long bristles on the periostracum.

Distribution

Okhotsk Sea, off Eastern Sakhalin, Sakhalin Bay and northern part of the Okhotsk Sea, at depth of 61-293 m. Rare.
[Egorov, 1994]
Authors: Jan Delsing, Egorov, 1994

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