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  1. By: Grier, James W. - Grier, Joyce C. - Kennedy, W. J. (William James) - Landman, Neil H. - Larson, Neal L. - Linn, Tom.
    Holding Institution: American Museum of Natural History Library
    Subjects: Ammonoidea  Bearpaw Formation  Great Plains  Hoploscaphites criptonodosus  Hoploscaphites macer  Pierre Shale  Saskatchewan  West (U.S.)  
  2. By: Landman, Neil H. - Kennedy, W. J. (William James) - Larson, Neal L. - Grier, Joyce C. - Grier, James W. - Linn, Tom.
    Publication info: New York, NY, American Museum of Natural History, [2019]
    Holding Institution: American Museum of Natural History Library
    Subjects: Ammonoidea  Bearpaw Formation  Cretaceous  Great Plains  Hoploscaphites criptonodosus  Hoploscaphites macer  Mollusks, Fossil  Paleontology  Pierre Shale  Saskatchewan  West (U.S.)