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Phylogenetic analyses and redescription of Tegula ignota (Mollusca: Vetigastropoda)

Published online by Cambridge University Press:  20 January 2012

Gonzalo A. Collado ,
Marco A. Méndez ,
Donald I. Brown  and
Jorge Pérez-Schultheiss
Gonzalo A. Collado*
Affiliation:
Laboratorio de Genética y Evolución, Universidad de Chile, Las Palmeras 3425, Santiago, Chile
Marco A. Méndez
Affiliation:
Laboratorio de Genética y Evolución, Universidad de Chile, Las Palmeras 3425, Santiago, Chile
Donald I. Brown
Affiliation:
Laboratorio de Biología de la Reproducción y del Desarrollo, Departamento de Biología y Ciencias Ambientales, Universidad de Valparaíso, Valparaíso, Chile
Jorge Pérez-Schultheiss
Affiliation:
Centro de Estudios en Biodiversidad (CEBCh), Magallanes 1979, Osorno, Chile
*
Correspondence should be addressed to: G.A. Collado, Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Casilla 653 Ñuñoa, Santiago, Chile email: g.collado@eudoramail.com
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Abstract

The original description of Tegula ignota was based on three shells found on the coast of Totoralillo Sur, northern Chile. Until now, there are no reports of living specimens of the species. The present study redescribes this snail based on shell, radula, epipodium and mantle characteristics observed in living specimens collected from the subtidal zone of La Boca, central Chile. Additionally, we extend the distribution of T. ignota more than 700 km to the south-eastern Pacific with additional material. Molecular analyses based on the 16S ribosomal DNA mitochondrial gene show that T. ignota is most closely related to Tegula atra than other Chilean species of Tegula. Voucher specimens of T. ignota were deposited in the Museo Nacional de Historia Natural de Chile.

Keywords

TegulinaephylogenytaxonomyepipodiumradulaChile
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 92 , Issue 5 , August 2012 , pp. 1151 - 1159
Copyright
Copyright © Marine Biological Association of the United Kingdom 2012

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