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Taxon profile

species

Bactrocythara asarca Dall & Simpson, 1901

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

Images

Bactrocythara asarca

Author: Jan Delsing

Bactrocythara asarca

Author: Williams, P.

Taxon in country check-lists*

North America: Puerto Rico, United States of America (Florida, Texas), South America: Colombia

* List of countries might not be complete

Description

Shell minute, white, or with faint yellowish flammules, with six brilliantly polished, slender whorls; nepionic shell small, depressed, smooth, subsequent whorls with about ten axial riblets, slightly flexuous near the suture and becoming obsolete anteriorly, the peripheral part of the last whorl smooth or destitute of spiral sculpture, which on the base and canal is well developed and consists of fine striation; notch short, subcircular, leaving no fasciole; outer lip slightly thickened, not lirate within.
Length, 4.5 mm.; maximum diameter, 1.5 mm.
Source: Dall, W.H. & Simpson, C.T., 1901. The Mollusca of Porto Rico. (Original description)

Interchangeable taxa

This is a small but elegant species, which differs from the majority of its congeners in the absence of the fine, frosty granulation of the surface which is so characteristic of many of them, and in the somewhat obscure development of the axial ribs.

Distribution

Type location: Mayaguez, Porto Rico.
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 Bactrocythara asarca Dall & Simpson, 1901]
Data retrieved on: 23 November 2013

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