Willmer, Pat <br/><br/>
Invertebrate relationships : patterns in animal evolution 
Pat Willmer 
 - Cambridge  Cambridge University Press  1990 
 - ix, 400 p. : ill. ; 26 cm 
<br/><br/> Includes index. Bibliography: p. [363]-383 
<br/><br/><label>ISBN: </label>521330645 
<br/><br/><label>ISSN: </label>87032019 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates - Evolution<br/>Invertebrates, Fossil
<br/><br/><label>Dewey Class. No.: </label>QL362.75 .W55 1990 592/.038