Smith A, Jeffery C H & Jeffery C <br/><br/>
Maastrichtian and Palaeocene Echinoids : A Key to World Faunas Special Papers in Palaeontology No.63 with 152 text figures 

 -  Palaeontological Asso, London, UK 
<br/><br/><label>Dewey Class. No.: </label>H6/P/B24464