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  1. By: McRoberts, Christopher A. - Newell, Norman D., - Cooper, G. Arthur (Gustav Arthur),
    Publication info: New York, NY American Museum of Natural History c2001
    Holding Institution: American Museum of Natural History Library
    Subjects: Bivalves, Fossil  Elversella rugosa  Mollusks, Fossil  Paleontology  Permian  Texas, West