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Ribosomal RNA genes and deuterostome phylogeny revisited: More cyclostomes, elasmobranchs, reptiles, and a brittle star. Molecular Phylogenetics and Evolution, 43(3), 1005–1022
DOI: 10.1016/j.ympev.2006.11.023
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Phylogeny of elasmobranchs based on LSU and SSU ribosomal RNA genes. Molecular Phylogenetics and Evolution, 31(1), 214–224
DOI: 10.1016/j.ympev.2003.07.010