Benton, M. J. <br/><br/>
The phylogeny and classification of the tetrapods 

 - Oxford,  :Clarendon Press  1988. 
 - x,377p.  ill.  24cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0198577052 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quadripedis<br/> Evolution
<br/><br/><label>LC Class. No.: </label>QL607.5.P49