Clarke, Arthur H. <br/><br/>
The tribe alasmidontini (Unionidae: Anodontinae).  Part 1, Pegias, atosnidonta and araidens.  Part 1, Pegias, atosnidonta and araidens. 

 - Washington :  Smithsonian Institution Press,  1981. 
 - Smithsonian contributions to zoology ;  No. 326 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater mussels.