Shelled invertebrates of the past and present  with chapters on geological history 
by Ray S. Bassler [et. al.] 
 - New York  Smithsonian Institution Series  1934. 
 - 365 p.  illus. (part col.) 
 - Smithsonian Scientific Series, v. 10 .
<br/><br/> Copy available in Reference Collection. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates