The encyclopedia of shells 
edited by S. Peter Dance ; photographs by Ian Cameron 
 - 2nd ed. 
 - Poole  Blandford Press  1977 
 - 288 p. : col. ill. ; 27 cm. 
<br/><br/> 'A Carter Nash Cameron book' 
<br/><br/>p. 280 
<br/><br/><label>ISBN: </label>0713706988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shells--Pictorial works<br/>Shells--Identification