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Original Articles

Karyotypes of Somalian Rodent Populations

1. Heterocephalus Glaber Rüppell, 1842 (Mammalia Rodentia)

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Pages 45-51 | Received 27 Jun 1979, Published online: 26 Aug 2016
 

SUMMARY

The karyotype of the Bathyergidae Heterocephalus glaber Rüppell, 1842 (Mammalia Rodentia) consists of 60 small chromosomes, of which 10 pairs are bi-armed. The sex pair is composed of a large submetacentric and a small metacentric portion. The fundamental number is 82. The data on H. glaber was compared to the karyotype of another Bathyergidae and to that of Hystricidae, to which the former are phyletically related.

RIASSUNTO

Gli Autori hanno descritto il cariotipo del Bathyergidae Heterocephalus glaber Rüppell, 1842 (Mammalia Rodentia); esso è composto da 60 cromosomi di piccole dimensioni dei quali 10 coppie sono bi-armed. La coppia sessuale è composta da un grande submetacentrico e da un piccolo metacentrico. II numero fondamentale risulta così NF = 82. Il dato cariologico è stato confrontato con quello di un altro Bathyergidae e con quello di Hystricidae, ai quali i Bathyergidae sono fileticamente correlati.

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