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Phylogenetic tree with branch lengths of different groups of subterranean mammals. Phylogenetic tree of Chrysochloris asiatica and 13 nonsubterranean mammals. Phylogenetic tree of Condylura cristata and 13 nonsubterranean mammals. Phylogenetic tree of Nannospalax galili and 13 nonsubterranean mammals. Phylogenetic tree of Fukomys damarensis and Heterocephalus glaber and 13 nonsubterranean mammals. Phylogenetic tree of 13 nonsubterranean mammals
