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PeerJ 3:e857 (2015): the phylogenetic revision that restored Brontosaurus as a genus distinct from Apatosaurus, more than a century after the name was sunk.
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A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda)
Emanuel Tschopp, Octávio Mateus, Roger B. J. Benson · 2015