Richard Arnold Davis: Professor of Biology and Geology, College of Mount St. Joseph; PhD, The University of Iowa, 1968; Researcher in the biology and taphonomy of fossil and present day cephalopods.
Royal H. Mapes: Professor Emeritus, Ohio University; PhD, The University of Iowa, 1977; Researcher in cephalopod systematics, phylogeny, taphonomy, and paleobiology
Cephalopods Present and Past: New Insights and Fresh Perspectives | Ammonoid Paleobiology | Ancient Hydrocarbon Seeps |