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  1. By: Bertelli, Sara B. - Giannini, Norberto P. - Ksepka, Daniel T.
    Publication info: New York, NY American Museum of Natural History c2006
    Holding Institution: American Museum of Natural History Library
    Subjects: Anatomy  Birds, Fossil  Miocene  Paleontology  Paraptenodytes antarcticus  Patagonia (Argentina and Chile)  Penguins  Penguins, Fossil  Phylogeny  Skull