Olsson, Axel A. <br/><br/>
Mollusks of the tropical eastern Pacific :  particularly from the Southern half of the Panamic-Pacific faunal province (Panama to Peru) / 
by Axel A. Olsson. 
 - New York :  Paleontological Research Institution,  1961. 
 - 548 p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mollusks--Latin America.<br/>Mollusks--Pacific coast.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Latin America--Mollusks.<br/>Pacific Coast--Mollusks.