Cartwright, Oscar L. (Oscar Ling) <br/><br/>
Ataenius, Aphotaenius, and Pseudataenius of the United States and Canada (Coleoptera  Scarabaeidae  Aphodiinae) 
by Oscar L. Cartwright 
 - Washington :  Smithsonian Institution Press,  1974 
 - iv, 106 p. :  ill. ;  26 cm. 
 - Smithsonian contributions to zoology ; no.154 .
<br/><br/>Bibliography : p. 101-103 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ataenius<br/>Pseudataenius<br/>Aphotaenius carolinus<br/>Insects--United States