Barker R Wright <br/><br/>
Taxonomic notes 

 - Tulsa  Society of economic paleontologists and mineral mineralogists     1960 
 - xxiii,238p.  cm. 
 - Society of economic paleontologists and mineralogists; 9 .
<br/><br/><label>Standard No.: </label>49097 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Palaeontology<br/> Taxonomie<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H6212:11, K0