Olsson, Axel <br/><br/>
Balanus in the Oligocene of Northern Peru and Western Ecuador 

<br/><br/>bibliogr. p. 5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paléontologie<br/>Balanus<br/>Oligocène
<br/><br/><label>Subjects--Index Terms: </label>Pérou  Piura Equateur  Esmeraldas