Taxon profile


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

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


Turbonilla colimana

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

Taxon in country check-lists*

* List of countries might not be complete


Shell elongate-conic, rather stout, very pale brown; nuclear whorls having a depressed helicoid spire, with the axis at right angles to that of the following whorls in the first of which it is about one-third immersed; normal whorls 7, slightly rounded with a well rounded shoulder and somewhat contracted at the suture; axial ribs strong, rounded, nearly vertical, slightly swollen at the shoulder angle, 14 appearing on the first whorl and increasing to 18 on the last whorl; interspaces about twice as wide as the ribs, crossed by 5 equal and equally spaced spiral series of deeply incised lines below the shoulder and 2 or 3 finer lines on the shoulder; periphery rounded, marked by a smooth band a little wider than the spaces between the incised spiral lines, on which the axial ribs terminate; base short, rounded, with 5 incised spiral lines similar to those on the spire but continuous; aperture subquadrate, outer lip thin, columella short, curved. The type measures: length, 3.0 mm.; diameter, 0.9 mm.
Hertlein, L.G. & Strong, A.M., 1951; Mollusks from the W. Coast of Mexico & Central America. Part 10

Interchangeable taxa

The shell of this species bears a resemblance to that of Turbonilla (Pyrgiscus) hypocurta Dall & Bartsch and similar forms but differs chiefly in that the whorls are roundly shouldered rather than flattened.
Hertlein, L.G. & Strong, A.M., 1951; Mollusks from the W. Coast of Mexico & Central America. Part 10


Near Manzanillo, Mexico
Author: Jan Delsing

Links and literature

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

Contributions to BioLib

Help us to expand this encyclopedia! If you are logged in, you can add new subtaxa, vernacular and scientific names, texts, images or intertaxon relationships for this taxon.