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Phanerozoic Geologic time scale Janjucetus Evolution of cetaceans Cetacea Mammalodon Aetiocetus Animal echolocation Squalodon Baleen whales Cenozoic Cetaceans | Proc. R. Soc. B[removed], 2955–2963 doi:[removed]rspb[removed]Published online 15 August 2006Add to Reading ListSource URL: www.ncbi.nlm.nih.govDownload Document from Source WebsiteFile Size: 1,30 MBShare Document on Facebook |