Ctenomys azarae 6 Ctenomys mendocinus Ctenomys 4 Ctenomys australis 4 Ctenomys porteousi 4 Rodentia 4 Andes 2 Argentina 2 Atlantic Coast [South America] 2 C-band 2 Central Argentina 2 Chromosomes 2 Ctenomyidae 2 Ctenomys flamarioni 2 Ctenomys mendocinus species complex 2 G-band 2 Octodontidae 2 Phylogeography 2 Quaternary 2 Quaternary climate changes 2 Skull morphology 2 argentina 2 aridity 2 article 2 autosome 2 chromosome polymorphism 2 climate variation 2 demography 2 evolutionary biology 2 genetic analysis 2