Williams Alwyn ; Brunton CHC; Carlson SJ  & Alvarez F <br/><br/>
Treatise on Invertebrate Paleontology, Part H Volume 5 : Brachiopoda Rhynchonelliformea (Part) .-Revised .-0-8137-3135-6 

 - Revised  
 -  Geological Society of America and The University of Kansas, USA, Kansas  2006 
<br/><br/><label>ISBN: </label>0-8137-3135-6 
<br/><br/><label>Dewey Class. No.: </label>H6:(K1)   P06.5/B28164