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^Klaus-Peter Koepfli, Susan M. Jenks, Eduardo Eizirik, Tannaz Zahirpour, Blaire Van Valkenburgh, Robert K. Wayne, “Molecular systematics of the Hyaenidae: relationships of a relictual lineage resolved by a molecular supermatrix,” Molecular Phylogenetics and Evolution, Volume 38, Issue 3, Elsevier, 2006, Pages 603–620.