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By: Schaeffer, Bobb, - Simpson, George Gaylord, - Scarritt Patagonian ExpeditionEdition:Publication info: New York City, The American Museum of Natural History, [1947]Volume: no.1331 (1947)Series:Holding Institution: American Museum of Natural History LibrarySubjects: Argentina Chubut Eocene Fishes, Fossil Freshwater fishes Paleontology Percichthys hondoensisBHL Collections: