Caryology and taxonomy of the Catarrhine monkeys

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Abstract
The number and the morphology of chromosomes are a characteristic of the species. Knowledge of the mechanisms of chromosome breakage and rearrangement offers the possibility of understanding caryotype evolution. On the basis of this knowledge, we can trace the phylogeny and organize the taxonomy of a group of living forms. In the present paper, the available data on the number and morphology of the chromosomes of the Catarrhine monkeys have been analyzed from the standpoint of taxonomy and evolution. According to this karyological revision, the suborder Catarhine might be divided into two groups (superfamilies): Cercopithecoidea and Hominoidea. Within the Cercopithecoidea the following main groups should be further distinguished: 1. a group which includes all the species of the genus Cercopithecus; 2. a group which includes the different species belonging to the genera Papic, Macaca, Theropithecus and Cercocebus; 3. a group which includes the genus Colobus, Presbytis and Hylobates. Within the Hominoidea, the three anthropoid apes (Pan, Pongo, Gorilla) can be distinguished from man by the difference in the number of chromosomes. Moreover, among the anthropoid apes, the Orang‐outang can be differentiated from the others by the morphology of the chromosomes.