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  1. Amia (= Kindleia) fragosa (Jordan), a Cretaceous amiid fish, with notes on related European forms
    By: Estes, R - Berberian, P
    Type: Article
    In: Breviora
    Volume: 329
    Date: 1969
    Page Range: 1--14
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  2. Lower vertebrates from the late Cretaceous Hell Creek Formation, McCone County, Montana
    By: Estes, R - Berberian, P - Meszoely, C A M
    Type: Article
    In: Breviora
    Volume: 337
    Date: 1969
    Page Range: 1--33
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  3. Paleoecology of a late Cretaceous vertebrate community from Montana
    By: Estes, R - Berberian, P
    Type: Article
    In: Breviora
    Volume: 343
    Date: 1970
    Page Range: 1--35
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