Breadcrumb Home Research News University of Iowa Specimen Included in Article on Nebraskan & Iowan New Pennsylvanian coleoids (Cephalopoda) (March 2019) Monday, September 28, 2020 https://www.cambridge.org/core/journals/journal-of-paleontology/article/new-pen… New Pennsylvanian coleoids (Cephalopoda) from Nebraska and Iowa, USA Royal H. Mapes, Larisa A. Doguzhaeva Specimen Cited: SUI 62497