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Taxon profile

species

Cerithiopsis lamyi (M. Jay & J. Drivas, 2002)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  family Cerithiopsidae »  genus Cerithiopsis

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Cerithiopsis lamyi

Author: Jay & Drivas

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Description

Shell conical, high, very narrow and slender, base not constricted, summit with a wide protoconch more shortly conical than the general outline of the shell. Large conical protoconch of 5 smooth whorls, more convex at their lower part, resembling a pagoda's roof, with a wide suture; last whorl equal in diameter to first whorl of teleoconch, the limit between both marked by the sudden appearance of the 3 adult cords and change of colour, along a vertical line; earlier whorls tappering to narrow rounded apex. Teleoconch of 8 whorls, suture wide and deeply impressed; 3 spiral cords per whorl, subequal, crossed at right angles by well developed axial riblets, with one rounded bead at each intersection; beads rather small, numbering 17 per whorl. A fourth spiral cord, weaker and finely beaded, emerging from suture at base of last whorl. A fifth smooth cord on base. Aperture circular. Colour horn or dark cream, protoconch a little paler. Size: holotype total height 1.5 mm, width at base 0.5 mm; height of protoconch 0.40 mm; width of protoconch at base 0.32 mm.
Source: Jay, M. & Drivas, J, 2002. The Cerithiopsidae (Gastropoda) of Reunion Island (Indian Ocean)

Interchangeable taxa

The protoconch of this species resembles in its size and its shape, Jocidator granata Kay, 1979 and Cerithiopsis vaurisi Jay & Drivas but it does not bear the small sutural axial riblets visible on those 2 species. Furthermore, our new species differs from Jocidator granata by its more slender shape not constricted at base and differs from Cerithiopsis vaurisi which has the same shape, by its obviously paler colour.

Distribution

Réunion. Type Locality. Found dead in hand-dredged sand at 30m, off Souris-Chaude, Trois-Bassins.
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 Cerithiopsis lamyi Jay & Drivas, 2002]
Data retrieved on: 22 November 2013

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