Title: Conodont distribution, paleoecology, and preliminary biostratigraphy of the upper Cherokee and Marmaton groups (upper Desmoinesian, middle Pennsylvanian) from two cores in south-central Iowa
Subjects: Conodonts, Geology, Geology, Stratigraphic, Paleontology, Stratigraphic, Stratigraphic Geology, Stratigraphic Paleontology, Paleoecology
Places: Iowa
Time periods: Pennsylvanian