A new species of Calomys (Rodentia: Sigmodontinae) from Eastern Brazil

被引：26
|
作者：
Bonvicino, Cibele R. [1 ,2 ]
de Oliveira, Joao A. [3 ]
Gentile, Rosana [2 ]
机构：
[1] Inst Nacl Canc, Genet Program, Rio De Janeiro, Brazil
[2] IOC FIOCRUZ, Lab Biol & Parasitol Mamiferos Silvestres Reserva, Rio De Janeiro, Brazil
[3] Univ Fed Rio de Janeiro, Museu Nacl, Dept Vertebrados, Setor Mamiferos, Rio de Janeiro, Brazil
来源：
ZOOTAXA | 2010年 / 2336期
关键词：
molecular phylogeny; karyotype; cytochrome b; morphometrics; description; HANTAVIRUS PULMONARY SYNDROME; MUSCULINUS RODENTIA; VESPER MICE; KARYOTYPE; CYTOGENETICS; CRICETIDAE; PHYLOGENY; EVOLUTION; LAUCHA; GENUS;
D O I：
10.11646/zootaxa.2336.1.2
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
On the basis of combined analyses of karyotypic, molecular and morphologic data, we herein describe a new Calomys species collected in a transitional area between the Atlantic Forest and the Cerrado morphoclimatic domains of eastern Brazil. This new taxon differs from all other Brazilian Calomys species by its diploid number (2n=38), the lowest among Brazilian Calomys species, and by its yellowish snout. Phylogenetic analyses based on cytochrome b DNA suggest that this species belongs to the larger-bodied species group within Calomys, together with C. expulsus, C. callidus, C. callosus, and C. tocantinsi.
引用
收藏
页码：19 / 35
页数：17
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