Ray, Clayton Edward  <br/><br/>
Phoca wymani and other Tertiary seals (Mammalia, Phocidae) described from the eastern seaboard of North America / 
Clayton E. Ray 
 - Washington:  Smithsonian Institution Press;  1976. 
 - iii, 36 p. :   ill. ;   26 cm. 
 - Smithsonian contributions to paleobiology  n.28 .
<br/><br/>Bibliography: p. 22-25. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phoca wymani.<br/>Phocidae, Fossil--North America.<br/>Paleontology--Tertiary.<br/>Paleontology--North America.