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Taxon profile

species

Vokesimurex tryoni (Hidalgo in Tryon, 1880)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Neogastropoda »  family Muricidae - Muricids »  genus Vokesimurex

Scientific synonyms

Murex tryoni Hidalgo in G. W. Tryon, 1880

Images

Vokesimurex tryoni

Author: Kaicher

Vokesimurex tryoni

Author: Radwin & D'Attilio

Vokesimurex tryoni

Author: Petuch, E.

Vokesimurex tryoni

Author: Daccarett, E.Y. & Bossio, V.S.

Taxon in country check-lists*

North America: Mexico, United States of America (Florida, Texas), South America: Colombia, Guyana, Suriname

* List of countries might not be complete

Description

The shell is small for the genus (maximum length 55 mm), short, and clubshaped. The spire is high, consisting of one and one-half convex nuclear whorls and six subangulate postnuclear whorls. The suture is strongly impressed. The body whorl is moderately large and subglobose. The aperture is small and ovate, with a narrow, very shallow anal sulcus. The outer apertural lip is erect and finely marginally crenulate; its inner surface is very weakly lirate. The columellar lip is adherent above, bearing a small knob delimiting the left side of the anal sulcus; the remainder of the columellar lip is detached and strongly erect, bearing, over the columella, a series of six to eight weak, irregular wrinkles. The siphonal canal is moderately long, barely open to the right, and straight.
The body whorl bears three spinose varices. Intervarical axial sculpture consists of six narrow, low costae that are finely nodulose over the spiral cords. Spiral sculpture on the body consists of weaker cords and fine intercalary threads. The shoulder bears three cords followed by a thread. The cord at the shouldermargin is followed anteriorly by six other cords alternating with threads. The siphonal canal carries four to six weaker cords, alternating with threads. Each varix bears three short, sharp, closed body spines where the cords cross the varix, one at the shoulder margin, one medial on the body, and one basal. The shouldermargin spine is twice as long as the other two and is more upward-curving. The canal bears a single spine, near the top.
Shell color is white to pale fleshy pink. The crests of the spiral cords are pale red-brown. The canal is suffused with purple-brown. The aperture is pale fleshy pink.
Radwin, G.E. & D'Attilio, A., 1976. Murex Shells of the World. An Illustrated Guide to the Muricidae.

Distribution

Gulf of Mexico and the Caribbean in 150 m.
Radwin, G.E. & D'Attilio, A., 1976. Murex Shells of the World. An Illustrated Guide to the Muricidae.
Author: Jan Delsing

Links and literature

EN Paleobiology Database [156731]

Paleobiology Database [https://paleobiodb.org/] [as Vokesimurex tryoni (Hidalgo, 1880)]
Data retrieved on: 11 December 2015
EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Vokesimurex tryoni (Hidalgo in Tryon, 1880)]
Data retrieved on: 22 November 2013

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