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  1. The family Diadectidae and its bearing on the classification of reptiles / Everett Claire Olson --
    By: Olson, Everett Claire, - Ross, Lillian A. - Roy, Sharat Kumar,
    Publication info: [Chicago]:Chicago Natural History Musem Press ,1947.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Classification  Diadectidae  Reptiles  
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