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Taxon profile

species

Antiguraleus costatus Ch. Hedley, 1922

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Neogastropoda »  family Mangeliidae »  genus Antiguraleus

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Antiguraleus costatus

Author: Hedley

Antiguraleus costatus

Author: Laseron, C.F.

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Description

Shell small, ovate-elongate, solid and compact. Colour dull white, the summit buff-yellow, base anterior to the insertion of the lip pale orange-yellow; along the suture are irregular chocolate splashes. Whorls seven, including a protoconch of two depressed whorls. Sculpture: There are eight thick and prominent ribs to a whorl; these descend the shell vertically and continuously; on the base they are slightly flexed, and each terminates anteriorly in a bead; both ribs and interstices are engraved by very minute and dense spiral striae; the snout is traversed by a few coarse spirals, which cease at the bead row; on the smooth glossy protoconch is a pronounced median keel, which ends abruptly at the topmost rib. Aperture pyriform, produced into a short, wide, open canal; behind the lip is a prominent varix which, rising above the suture, fills an intervariceal space on the preceding whorl ; a substantial callus sheet spreads on the inner lip, and a tubercle is formed near the right insertion ; just in front of the canal is a slight insinuation of the outer lip. Length of specimen drawn 6 mm., breadth 3 mm.; another specimen, length 9 mm., breadth 3.5 mm.
Source: Hedley, C., 1922. A revision of the Australian Turridae. (Original description)

Distribution

Australia. Queensland : 12 fathoms, Darnley Island
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 Antiguraleus costatus (Hedley, 1922)]
Data retrieved on: 23 November 2013

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