Kennedy, W. J. (William James); Landman, Neil H.; Cobban, William A., 1916-2015.; Scott, George Richard.
([New York] : American Museum of Natural History, 2000)
Heteromorh ammonites of the families Nostoceratidae Hyatt, 1894, and Diplomoceratidae Spath, 1926, are common to abundant in sediments deposited in the western and central parts of the U.S. Western Interior Seaway during ...