Fauchald, Kristian. <br/><br/>
Revision of Onuphis, Northria, and Paradiopatra (Polychaeta--Onuphidae) based upon type material / 
Kristian Fauchald. 
 - Washington :  Smithsonian Institution Press,  1982. 
 - 109 p. :  ill. ;  27 cm. 
 - Smithsonian contributions to zoology ;  no. 356 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Onuphidae--Classification.<br/>Type specimens (Natural history).<br/>Annelida--Classification.