oa African Zoology - Cytosystematics of the South African Aethomys (Rodentia: Muridae)

Volume 21, Issue 3
  • ISSN : 1562-7020
  • E-ISSN: 2224-073X



The G- and C-band chromosome patterns and the location of the nucleolus organizer regions (NORs) are presented for A. namaquensis (2n = 24), A. granti (2n = 32) and A. chrysophilus (2n = 44; 2n = 50). The presence of two distinct cytotypes in what is conventionally recognized as A. chrysophilus is indicative of the presence of two discrete species which, karyology apart, appear to be indistinguishable using existing identification keys. The chromosomal relationships of the South African species and the taxonomic implications of these data are discussed.

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