Romer, Alfred S. <br/><br/>
The vertebrate story / 
by Alfred S Romer. 
 - Chicago :  Univ of Chicago Press,  c1959. 
 - 437  p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spine.<br/>vertabrae.
<br/><br/><label>LC Class. No.: </label>QL821  / .R6