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By: Cheetham, Alan H. - Lorenz, Douglas M.Edition:Publication info: Washington, Smithsonian Institution Press, 1976Volume: no.29 (1976)Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Cheilostomata, Fossil Invertebrate populations Vector analysisBHL Collections: Unearthed! Smithsonian Libraries' Paleo Collection