Willmer, Pat,    1953- <br/><br/>
Invertebrate relationships :   patterns in animal evolution /  
Pa t Willmer. 
 - Cambridge :   Cambridge University Press,   1990. 
 - ix, 400 p. :    ill. ;    26 cm. 
<br/><br/>  Includes index. 
<br/><br/>Bibliography: p. [363]-383. 
<br/><br/><label>ISBN: </label>0521330645 0521337127 (pbk.) 
<br/><br/><label>LCCN: </label>87-032019 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates --Evolution.------<br/>Invertebrates, Fossil.--Evolution.------
<br/><br/><label>Dewey Class. No.: </label>592.038 WIL