Thomomys nayarensis, a new species of pocket gopher from the Sierra del Nayar, Nayarit, Mexico

被引：8

作者：

Mathis, Verity L. ^{[1
,2
]}

Hafner, Mark S. ^{[1
,2
]}

Hafner, David J. ^{[3
]}

Demastes, James W. ^{[4
]}

机构：

[1] Louisiana State Univ, Museum Nat Sci, Baton Rouge, LA 70803 USA

[2] Louisiana State Univ, Dept Biol Sci, Baton Rouge, LA 70803 USA

[3] Univ New Mexico, Museum Southwestern Biol, Albuquerque, NM 87131 USA

[4] Univ No Iowa, Dept Biol, Cedar Falls, IA 50614 USA

来源：

JOURNAL OF MAMMALOGY | 2013年 / 94卷 / 05期

关键词：

cytochrome b; Geomyidae; phylogenetics; Rodentia; speciation; taxonomy; DIFFERENTIATION; PHYLOGENETICS; RODENTIA; CRATOGEOMYS; SELECTION; REDESCRIPTION; DIVERSITY; HIGHLANDS; MURIDAE; LIOMYS;

D O I：

10.1644/13-MAMM-A-013.1

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

The southern pocket gopher, Thomomys umbrinus, traditionally has been divided into as many as 5 genetically defined subclades based on chromosomal and allozymic data. Recent molecular analyses have resurrected 2 species from within these clades: 1 from the Pacific coastal lowlands (T. atrovarius), and another from the highlands of the Sierra Madre Occidental (T. sheldoni). In this study, multilocus genetic analyses of 3 mitochondrial and 5 nuclear genes reveal a previously unrecognized 3rd species apparently restricted to the Sierra del Nayar of northeastern Nayarit, Mexico. In addition to molecular and chromosomal studies of this new species, cranial morphology is analyzed to help distinguish it from its congeners. This taxon, T. nayarensis, is described herein, and a key to distinguishing the 3 species of Thomomys in northeastern Nayarit is provided.

引用

页码：983 / 994

页数：12

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