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Profil taxonu

druh

Favartia perita (R. B. Hinds, 1844)

říše Animalia - živočichové »  kmen Mollusca - měkkýši »  třída Gastropoda - plži »  řád Neogastropoda »  čeleď Muricidae - ostrankovití »  rod Favartia

Vědecká synonyma

Murexiella perita R. B. Hinds, 1844

Obrázky

Favartia perita

Autor: Shellauction

Favartia perita

Autor: Kaicher

Favartia perita

Autor: Radwin & D'Attilio

Taxon v check-listech zemí*

Tichý oceán, Severní Amerika: Mexiko, Panama

* Výčet zemí nemusí být kompletní

EN  

Popis

The shell is small (maximum length 20 mm) and fusiform. The spire is high, consisting of two and three-fourths convex nuclear whorls and five shouldered postnuclear whorls. The suture is in-distinct or weakly marked. The bodywhorl is of moderate size and fusoid. The aperture is small and ovate, with an indistinct anal sulcus. The outer apertural lip is erect and coarsely crenulate at its margin. The columellar lip is adherent above, detached and somewhat erect below. The siphonal canal is long, moderately open, and dorsally recurved.
The body whorl bears six weakly spinose varices. A varical expansion forms a webbing between the spines to about one-half their length. Intervarical axial sculpture is lacking. Spiral sculpture consists chiefly of four major cords on the body, these noticeable only over the varices, where they are finely incised by five to nine fine grooves. Alternating with the major cords are pairs of threads, and a series of four or five single threads occurs on the anterior end of the body. The canal bears two inconspicuous minor cords. Where the spiral elements cross the varix, low, sharp, dorsally recurved spines are formed. The entire shell is covered with weak scabrous laminae, these most prominent on the cords and on the leading edge of each varix.
Shell color is pale orange to yellow ochre-brown.
Radwin, G.E. & D'Attilio, A., 1976. Murex Shells of the World. An Illustrated Guide to the Muricidae.

Ekologie

Bahia Magdalena, Baja California, to the Gulf of Tehuantepec, Mexico.
Radwin, G.E. & D'Attilio, A., 1976. Murex Shells of the World. An Illustrated Guide to the Muricidae.

Odkazy a literatura

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Favartia perita Hinds, 1844]
Datum citace: 22. listopad 2013

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