Rogers, Raymond R.

Raymond R. Rogers is a professor and chair of the geology department at Macalester College, St. Paul, Minnesota. David A. Eberth is a senior research scientist at the Royal Tyrrell Museum in Drumheller, Alberta, Canada. Tony R. Fiorillo" "is a faculty member in the Department of Geological Sciences at Southern Methodist University and Curator of Paleontology at the Dallas Museum of Natural History, Dallas, Texas.