Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati arch region
By: G.P. Wahlmann.
Series: Contributions to the Ordovician paleontology of Kentucky and nearby states; Geological Survey professional paper -- 1066-O.; Contributions to the Ordovician paleontology of Kentucky and nearby states; Geological Survey professional paper -- 1066-O.
Publisher: U.S. G.P.O.
Published: 1992
Place of publication: Washington
Language: eng
Number of pages: 213
Subjects: Monoplacophora, Fossil -- Middle West.; Archaeogastropoda, Fossil -- Middle West.; Paleontology -- Ordovician.; Paleontology -- Middle West.
Notes: Includes bibliographical references and index.