Cobban, William A. <br/><br/>
A new ammonite from Upper Cretaceus of Kansas 

 - Washington, D.C.  U.S. Geological Survey  1987 
 - pp. B1-B3 
<br/><br/>Titulo del numero 1690: Shorter contributions to paleontology and stratigraphy. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AMMONOIDEA<br/>CRETACEO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS