Hanson, Earl D. <br/><br/>
The origin and early evolution of animals / 
by  Earl D. Hanson 
 - London :  Wesleyan University Press,  1977. 
 - 670 p.  Hard Back 
<br/><br/><label>ISBN: </label>0819550086 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Anthropology<br/>Organic Evolution <br/>Genetics Of Humankind<br/>Zoology 
<br/><br/><label>Dewey Class. No.: </label>591.3    / EAR-O