Moore, Raymond. C. <br/><br/>
Treatise on invertebratevpaleontology.Part R:Arthropoda4Vol.1 

 - America  The geological society of America  1969 
<br/><br/><label>Subjects--Index Terms: </label>Corynexochida 
<br/><br/><label>Dewey Class. No.: </label>565.2  / K9.2