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By: Bertelli, Sara B. - Giannini, Norberto P. - Ksepka, Daniel T.Edition:Publication info: New York, NY American Museum of Natural History c2006Volume: no.3525 (2006)Series:Holding Institution: American Museum of Natural History LibrarySubjects: Anatomy Birds, Fossil Miocene Paleontology Paraptenodytes antarcticus Patagonia (Argentina and Chile) Penguins Penguins, Fossil Phylogeny SkullBHL Collections: