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Taxon profile

species

Rhynchotrochus taylorianus A. Adams & L. A. Reeve, 1850

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Pulmonata - pulmonates »  family Camaenidae »  genus Rhynchotrochus

Images

Rhynchotrochus taylorianus

Author: Shellauction

Rhynchotrochus taylorianus

Author: Shellauction

Rhynchotrochus taylorianus

Author: Manual of Conchology

Rhynchotrochus taylorianus

Author: Manual of Conchology

Rhynchotrochus taylorianus

Author: Abbott, R.T.

Rhynchotrochus taylorianus

Author: Abbott, R.T.

Rhynchotrochus taylorianus

Author: Jan Delsing

Taxon in country check-lists*

* List of countries might not be complete

Description

Imperforate, trochiform, thin, the spire conic; apex mammillar, obtuse, whorls 5, the last acutely keeled, abruptly deflexed in front. Surface shining, finely obliquely roughened and corrugated by obliquely descending, anastomosing impressed lines. Cream colored, becoming flesh-tinted on the spire, and yellower toward the latter part of the body whorl, more or less closely speckled and obliquely streaked with pinkish-brown above, the base having a band of the same color, obsolete in front of the mouth, where there is a tract tinted with pink, which extends inward on the parietal wall ; carinal band white or cream colored; the whole interior of the mouth being pink, except a broad white band at the position of the carina; lip deep purplish or brownish-black, bisinuate above, prominently beaked at the keel, reflexed below, colurnellar lip sloping, adnate to the base.
Alt. 17, diam. 26 mill, (typical form). Alt. 13, diam. 20 mill. (var. yulensis).
D’Entrecasteaux Is.; Southern New Guinea, at South Cape; laloki (or Goldie) River, foot of Mt. Astrolabe; foot of Owen Stan" ley Ranges, and Yule Island.
This species is closely allied to H. strabo, but apparently constantly separated by the creamy peripheral band and deep purplish-black peristome.
The variety called yulensis by Brazier is smaller, with the " spout" of the aperture less developed. It must however be regarded as a variety or form of the tayloriana.
Tryon, G.W. & Pilsbry, H.A.. Manual of Conchology. Second Series. Volume 7.
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 Rhynchotrochus taylorianus Adams & Reeve, 1848]
Data retrieved on: 29 November 2013
CZ Pfleger V. (1999): České názvy živočichů III. Měkkýši (Mollusca), Národní muzeum, (zoologické odd.), Praha, 108 pp. [as Rhynchotrochus taylorianus (A.ADAMS & REEVE, 1850)]
Data retrieved on: 11 November 2013

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