Maastrichtian ammonites from the Severn Formation of Maryland. American Museum novitates ; no. 3210

Kennedy, W. J. (William James)Cobban, William A., 1916-2015.Landman, Neil H.2005-10-062005-10-061997http://hdl.handle.net/2246/361330 p. : ill. ; 26 cm.Includes bibliographical references (p. 28-30)16311143 bytesapplication/pdfen-USQL1 .A436 no.3210 1997Ammonoidea -- Maryland.Paleontology -- Cretaceous -- Maryland.Paleontology -- Maryland.Maastrichtian ammonites from the Severn Formation of Maryland. American Museum novitates ; no. 3210text