The 'Largest Creature of All Time' May Have Been a Physical

Last year, paleontologists discovered the fossil of a 39-million-year-old extinct whale in Peru that appeared to defy the limits of vertebrate size.

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Peru , Alberto Gennari , Ryosuke Motani , Nicholas Pyenson , Giovanni Bianucci , Cullen Townsend , Smithsonian National Museum Of Natural History , University Of California Davis , University Of Pisa , Smithsonian National Museum , Natural History , Middle Eocene ,