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Taxon profile

species

Clanculus thomasi (Crosse, 1862)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Trochida »  family Trochidae - top-shells »  genus Clanculus

Scientific synonyms

Cancellaria thomasi Crosse, 1862
Clanculus howeinsulae Salisbury, 1936

Images

Clanculus thomasi

Author: Manual of Conchology

Taxon in country check-lists*

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Description

Shell conic-globose, umbilicate, maculate with white on a ground of reddish carmine ; whorls 5, convex, spirally traversed by five very finely granulose line, the first two small, third larger, fourth small, fifth larger than the others; suture profoundly impressed, canaliculate, last whorl with 8 line on the base encircling the umbilicus; columella unequally bidentate, the basal tooth larger, compressed; lip at base obsoletely denticulate, elsewhere edentulous; aperture oblique, less ringent than most species of Clanculus, fauces sulcate, nacreous; umbilicus white, in young shells smooth, in adults obsoletely crenulated. Alt. 6-6,5, diam. 6,5 mm. New Caledonia. A variety is olivaceous green, maculate with white, the apex rosy. It is a small species, with very prominent, compressed basal tooth, and slight crenulations at the margin of the umbilicus, the right lip not dentate.
Tryon, G.W. & Pilsbry, H.A.. Manual of Conchology; Vol. XI ; Trochidae
Author: Jan Delsing

Links and literature

EN Australian Faunal Directory [5f406019-70b1-40f4-88d8-22f97ce7e6fd]

ABRS (2009-2019): Australian Faunal Directory [https://biodiversity.org.au/afd/home], Australian Biological Resources Study, Canberra [as Clanculus thomasi (Crosse, 1862)]
Data retrieved on: 15 February 2015
EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Clanculus thomasi (Crosse, 1864)]
Data retrieved on: 21 July 2015

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