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By: Rollins, Harold B.,Edition:Publication info: New York, N.Y, American Museum of Natural History, [1966]Volume: no. 2242Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.43(114:74.7) Cyrtonella mitella Devonian Gastropoda, Fossil Mollusks, Fossil New York (State) Paleontology Ptomatis patulusBHL Collections: