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  1. A new late Paleocene Phenacodont (Mammalia: Condylarthra) from western Colorado
    By: Patterson, B - West, R M
    Type: Article
    In: Breviora.
    Volume: 403
    Date: 1973
    Page Range: 1--7
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  2. Protogonia subquadrata Cope, 1881, (Mammalia): proposed suppression of generic and specific names under the plenary powers. Z.N. (S.) 1890
    By: West, R M - Baird, D
    Type: Article
    In: The Bulletin of zoological nomenclature.
    Volume: 26
    Date: 1970
    Page Range: 230--232
    Publication info: London,International Trust for Zoological Nomenclature.
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