Clarkson E.N.K. <br/><br/>
Invertebrate palaeontology and evolution 

 - 4th edn. 
 - New Delhi  Wiley India Pvt. Ltd.  2012 
 - xiv,452p. 
<br/><br/><label>ISBN: </label>8126533080 
<br/><br/><label>Subjects--Topical Terms: </label><br/>H69:66
<br/><br/><label>Dewey Class. No.: </label>H69:66  / O2