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Type: Articles
Published: 2007-07-12
Page range: 31–40
Abstract views: 38
PDF downloaded: 1

Phylogenetic relationships of Mesoamerican species of the genus Sciurus (Rodentia: Sciuridae)

Instituto de Investistigaciones Cientificas y Tecnologicas(INCITE), P.O. Box 67-1100, San Juan de Tibas, San José,Costa Rica Escuela de Biología, Universidad de Costa Rica, San José, Costa Rica
Instituto de Biología, Universidad Nacional Autónoma de México, México, D.F.
Rodentia Sciurus phylogenetics Central America biogeography

Abstract

The phylogenetic relationships of Sciurus species present in Mesoamerica are addressed using a morphological analysis under Maximum Parsimony. Our results recovered the existence of two clades: one comprising S. aureogaster, S. colliaei, S. variegatoides and Syntheosciurus brochus and the other clade composed by S. richmondi, S. granatensis, S. deppei, S. yucatanensis and Microsciurus alfari. The taxonomic status of the genera Microsciurus and Syntheosciurus is discussed as well the biogeographic implications of these findings.

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