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Mammalia

Editor-in-Chief: Denys, Christiane

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1864-1547
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Volume 72, Issue 1 (Mar 2008)

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Hair structure of small rodents from central Argentina: A tool for species identification

Regino Cavia
  • 1Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina and Concejo Nacional de Investigaciones Científicas y Tecnológicas, Argentina
  • Other articles by this author:
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/ Analía Andrade / Martín E. Zamero
  • 3Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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  • De Gruyter OnlineGoogle Scholar
/ María S. Fernández
  • 4Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina and Concejo Nacional de Investigaciones Científicas y Tecnológicas, Argentina
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Emiliano Muschetto
  • 5Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina and Concejo Nacional de Investigaciones Científicas y Tecnológicas, Argentina
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/ Gerardo R. Cueto
  • 6Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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  • De Gruyter OnlineGoogle Scholar
/ Olga V. Suárez
  • 7Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina and Concejo Nacional de Investigaciones Científicas y Tecnológicas, Argentina
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Published Online: 2008-03-17 | DOI: https://doi.org/10.1515/MAMM.2008.009

Abstract

Mammal hairs differ among species and may therefore be used for diagnoses at the species level. We characterized dorsal guard hairs of most small rodent species that may be found in central Buenos Aires province (Argentina), according to their geographic distribution: Cavia aperea, Rattus rattus, R. norvegicus, Mus musculus, Holochilus brasiliensis, Scapteromys aquaticus, Oxymycterus rufus, Oligoryzomys flavescens, Akodon azarae, Deltamys kempi, Calomys laucha and C. musculinus. We provide discriminant functions and a dichotomic key to identify hairs at the species level based on hair length and width and scale morphology observed in specific sections of dorsal guard hairs. Discriminant functions require fewer measurements and are faster than the use of the key.

Keywords: hair cuticle; hair medulla; hair structure; identification key; rodents

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Published Online: 2008-03-17

Published Online: 2008-03-07

Published in Print: 2008-03-25


Citation Information: mammalia, ISSN (Online) 18641547, ISSN (Print) 00251461, DOI: https://doi.org/10.1515/MAMM.2008.009.

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