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Taxon profile

species

Caelatura albertoi Santos & Absalão, 2007

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Caenogastropoda »  family Barleeiidae »  genus Caelatura

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Description

Shell conical, whorls slightly convex, light cream, opaque. Protoconch paucispiral, about 2 whorls, macroscopically smooth (Figure 5, 6-7) obsolete spiral threads. Opisthocline axial threads may be present. Pits spreading irregularly over entire protoconch. Teleoconch smooth but abundant microscopic deep pits. Suture impressed. Base slightly convex. Aperture suboval posteriorly angled, varicose. Minute umbilical chink. Operculum ovoid, red-orange, a sulcus along inner (columellar) edge, strong longitudinal rib near columellar edge. Peg rises from most posterior part of longitudinal rib extending beyond inner edge. Dimensions: Holotype with 3.5 whorls in teleoconch; height 1.75 mm; width 1.0 mm.
Source: Dos Santos Gomes, R. & Absalão, R.S., New Species of the genus Caelatura Conrad, 1865 (Mollusca, Gastropoda, Barleeidae) from off the Brazilian Coast. (Original description)

Interchangeable taxa

As a smooth species, C. albertoi resembles C. rustica, C. gerhardtae De Jong & Coomans, 1988 (see Rolan & Crúz-Abrego, 1998: 6, fig. 15) and C. aulakion. Caelatura albertoi has a stronger varix than that of C aulakion, and a granulose texture on the protoconch, whereas it is smooth in the latter species. Also, C. aulakion has a peripheral furrow between the body whorl and the base, whereas C. albertoi has no such furrow. Caelatura albertoi can be distinguished from C. rustica and C. gerhardtae by the lack of a varix behind the aperture in the two latter species.

Distribution

Amapá to Para, Northern Brazil
Author: Jan Delsing

Similar species

Caelatura aulakion Santos & Absalão, 2007
Caelatura gerhardtae (De Jong & Coomans, 1988)
Caelatura rustica (Watson, 1886)

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Caelatura albertoi Santos & Absalão, 2007]
Data retrieved on: 2 May 2017

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