Jones, David L. <br/><br/>
The Lower Cretaceous (Albian) ammonite genera Leconteites and Brewericeras 

 - Washington, D.C.  U.S. Geological Survey  1965 
 - pp. 1-21  láms. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AMMONOIDEA<br/>CRETACEO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS