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By: Paul, C. R. C. (Christopher R. C.)Edition:Publication info: [Chicago], Field Museum of Natural History, 1970Volume: v.16:no.18 (1970)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Crinoidea, Fossil Decatur County, Tennessee Echinodermata Nervous system Paleontology SilurianBHL Collections: