Figure 1From: The taxonomic status of the endangered thin-spined porcupine, Chaetomys subspinosus(Olfers, 1818), based on molecular and karyologic dataConventionally stained karyotype of a female of Chaetomys subspinosus. 2n = 52 and FN = 76; assuming that the X chromosome is biarmed; the sexual pair could not be identified.Back to article page