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  1. The Pygidiidae : a family of South American catfishes / by Carl H. Eigenmann.
    By: Eigenmann, Carl H., - Carnegie Museum. - University of Indiana.
    Publication info: Pittsburgh :Published by the authority of the Board of trustees of the Carnegie institute,[1918]
    Contributed by: Harold B. Lee Library (archive.org)
    Subjects: Catfishes  South America  Tricomycteridae  
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