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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Schaeffer, Bobb,
    Publication info: New York, N.Y, American Museum of Natural History, [1968]
    Holding Institution: American Museum of Natural History Library
    Subjects: 56.7,43A(117:78)  Asarotus arcanus  Cretaceous  Fishes, Fossil  Nebraska  Niobrara Formation  Paleontology  South Dakota