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mods: Paleozoic gastropoda from the Moose River synclinorium, northern Maine Boucot, A. J. (Arthur James) 1924- creator author. Yochelson, Ellis L. (Ellis Leon) 1928-2006 author. Geological Survey (U.S.) issuing body. text bibliography dcu 1966 monographic eng remote 1 online resource (iii, A20 pages, 3 pages of plates) : illustrations. by Arthur J. Boucot and Ellis L. Yochelson. Title from title screen (viewed September 24, 2014). "An investigation of fossils primarily of Devonian age." Includes bibliographical references (pages A17-A18) and index. n-us-me Gastropoda, Fossil Maine Moose River Paleontology Paleozoic Paleontology Maine Gastropoda, Fossil Paleontology Paleozoic Geologic Period Maine From 230 to 570 million years ago fast I 19.16:503-A I 19.16:503-A Paleozoic gastropoda from the Moose River synclinorium, northern Maine Boucot, A. J. (Arthur James), 1924-. (OCoLC)2826475 Geological Survey professional paper ; 503-A Geological Survey professional paper Contributions to paleontology https://purl.fdlp.gov/GPO/gpo83617 COP 140929 20211120182533.0 in00003889453 eng