A NEW KARYOTYPE IN THE NECTOMYS SQUAMIPES COMPLEX (RODENTIA, SIGMODONTINAE)

Cibele Rodrigues Bonvicino, A. L. Gardner

Resumo


A new karyotype in the Nectomys squamipes complex (Rodentia, Sigmodontinae). A previously undescribed 2n = 40 karyotype from Nectomys collected at two localities in eastern Ecuador is reported. The chromosomes consist of 1 very large pair of submetacentrics and 19 pairs of acrocentrics gradated in size from large tHo small. The available name for 20 = 40 population in Nectomys apicalis Peters, 1861.

 

Keywords: Karyotype, Nectomys squamipes coplex, Rodentis, Sigmodontinae.

Descritores: Cariótipos, Complexo Nectomys squamipes, Rodentia, Sigmodontinae.


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Revista Nordestina de Biologia

 

ISSN - 0100-7653 (impresso)

ISSN - 2236-1480 (online)

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