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O'Leary, M. A. and Gatesy, J. 2007. Impact of increased character sampling on the phylogeny of Cetartiodactyla (Mammalia): combined analysis including fossils. Cladistics. Vol. 24(4), pp. 397-442.
O'Leary, M. A. and Gatesy, J. 2007. Impact of increased character sampling on the phylogeny of Cetartiodactyla (Mammalia): combined analysis including fossils. Cladistics. Vol. 24(4), pp. 397-442.