Morris, S. Conway <br/><br/>
The origins and relationships of lower invertebrates 

 - Oxford  Oxford U.P.  1985 
 - xi,397 p.  Illustration 
 - Systematics Association Special Volume, No.28 .
<br/><br/><label>ISBN: </label>019857181X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZOOLOGY
<br/><br/><label>Dewey Class. No.: </label>592.038  / ORI