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.
Publicado
2009-03-19
Seção
Artigos