Sohl, Norman F.  1924- <br/><br/>
Cretaceous Actaeonellid gastropods from the western hemisphere / 
by Norman F. Sohl and Heinz A. Kollmann 
 - Washington, D.C. :  United States Government Printing Office,  1985 
 - iv, 104 p., [23] p. leaves of plates :  ill. ;  29 cm. 
 - Geological Survey professional paper ;  1304 .
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 90-95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Actaeonellidae<br/>Paleontology--Cretaceous<br/>Paleontology--America
<br/><br/><label>Dewey Class. No.: </label>564.37