Taxon profile


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

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


Turbonilla cholutecana

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

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Shell very slender, upper whorls translucent, white, the later whorls becoming pale brown, very thin, the basal portion of each whorl shining through the upper portion of the following whorl; nucleus large, having a depressed helicoid spire with the axis at right angles to that of the following whorl, in the first of which it is about one-fourth immersed; normal whorls 8, almost flat-sided, little raised above the sutures; axial ribs low, straight, vertical, 20 appearing on the first whorl, increasing to 2G on the last whorl; interspaces about as wide as the ribs, crossed by about 16 very fine, spiral series of incised lines of about equal strength and spacing; periphery rounded, marked by a wide space without spiral sculpture; base decidedly produced, the upper part with three incised spiral lines which are broken by the feeble extensions of the axial ribs, the lower part with 3 continuous incised spiral lines; aperture ovate, outer lip very thin, columella curved. The type measures: length 4.1 mm.: diameter. 0.7 mm.

The shell of this species differs from that of Turbonilla lazaroensis Bartsch in that the axial ribs are low and flattened rather than strong and rounded. The specific name of this species is derived from the tribal name of the Cholutec Indians, Nicaragua.
Hertlein, L.G. & Strong, A.M., 1951; Mollusks from the W. Coast of Mexico & Central America. Part 10
Author: Jan Delsing

Similar species

Turbonilla lazaroensis P. Bartsch, 1917

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [] [as Turbonilla cholutecana Hertlein & Strong, 1951]
Data retrieved on: 23 November 2013

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