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Taxon profile

species

Eucithara alacris Ch. Hedley, 1922

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

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Eucithara alacris

Author: Hedley

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Description

Shell slender, fusiform, glossy. Whorls seven, of which one and a half compose a small, smooth, helicoid protoconch. Colour white, ornamented with four to six pale orange bands, appearing only in the interstices, not on the ribs; these sometimes coalesce from above and below, thus replacing spiral by radial painting. Sculpture: Radial ribs are well developed, projecting as an angle on the shoulder, continuing from suture to base, and amounting to ten on the last whorl ; the spiral threads are sharp on the upper whorls, where they are decussated by radial strife; gradually they vanish, till on the middle of the last whorl the surface seems smooth to the eye, and only a few engraved spirals can be found with a lens. Aperture: The mouth is linear; the slight varix encloses a small sinus, and extends in a narrow free edge; inner lip well developed, with fifteen cross-bars; beneath the varix are fourteen short entering plicae. Length 11 mm., breadth 4 mm.
Source: Hedley, C., 1922. A revision of the Australian Turridae. (Original description)

Interchangeable taxa

This species is allied to Eucithara angela, but is smaller, more pointed at the ends, with fewer ribs, and not so sharply angled at the shoulder.

Distribution

Australia. Queensland.
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 Eucithara alacris Hedley, 1922]
Data retrieved on: 22 November 2013

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