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Taxon profile

species

Turbonilla vestae J. G. Hertlein & A. M. Strong, 1951

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Allogastropoda »  family Pyramidellidae »  genus Turbonilla

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Turbonilla vestae

Author: Hertlein, L.G. & Strong, A.M.

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Description

Shell elongate-ovate, white; nucleus large, having a depressed helicoid spire, with the axis forming an oblique angle with that of the following whorls, in the first of which it is about one-half immersed; normal whorls 7, strongly, slopingly shouldered, flattened below the shoulder angle; axial ribs straight, slightly retractive, 18 appearing on the first whorl, increasing to 24 on the last whorl; interspaces wider than the ribs, crossed by 5 spiral series of pits, the raised areas between which appear as wider, flattopped cords, of which the one at the shoulder angle is somewhat sharper than the others and forms small tubercles at the intersection with the axial ribs; periphery rounded, marked by a cord similar to those on the spire; base rounded, with 6 spiral cords of which the upper two are interrupted by the enfeebled extensions of the axial ribs; aperture ovate, outer lip thin, columella curved, not raised. The type measures: length, 3.1 mm.; diameter, 1.0 mm.
Hertlein, L.G. & Strong, A.M., 1951; Mollusks from the W. Coast of Mexico & Central America. Part 10

Interchangeable taxa

This species bears a resemblance to Turbonilla (Bartschella) hipolitensis Dall & Bartsch but it differs from that species in possessing tuberculate spiral cords at the shoulder of the whorls.
Hertlein, L.G. & Strong, A.M., 1951; Mollusks from the W. Coast of Mexico & Central America. Part 10

Distribution

Near Corinto, Nicaragua
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 Turbonilla vestae Hertlein & Strong, 1951]
Data retrieved on: 23 November 2013

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