Marine connections in Nprth America during the late Maastrichan: paleogeographic and paleobiogeographic significance of Jeletzkytes nebrascensis zone cephalopod fauna from the Elk Butte member of the Pierre Shale, SE South Dakota and NE Nebraska

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith