The biochemical phylogeny of guinea-pigs and gundis, and the paraphyly of the order rodentia.


1. Molecular data indicate that caviomorphs (guinea-pig-like rodents) and myomorphs (rat-like rodents) are not monophyletic. 2. Rather, the evolutionary lineage leading to the guinea-pig may have branched off prior to the divergence among myomorphs, lagomorphs, primates, chiropterans, artiodactyls, and carnivores. 3. Thus, the guinea-pig lineage probably… (More)


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