Occurrence of the Nautiloid Genus Foordiceras in the Pennsylvanian Period of North America

[077-07] Occurrence of the Nautiloid Genus Foordiceras in the Pennsylvanian Period of North America

John K. Tucker and Gary L. Paukstis Occurrence of the Nautiloid Genus Foordiceras in the Pennsylvanian Period of North America 077-07-print