Ragaini, Luca First record of a warm-water Pliocene shell bed from northern Chile - Madrid Instituto Geológico y Minero de España 2007 - pp. 327-332 ilus. - Cuadernos del Museo Geominero n.8 . Subjects--Topical Terms: CONCHAS FOSILESPLIOCENO Subjects--Geographic Terms: CHILEMEJILLONES Universal Decimal Class. No.: 56:551.7(8)/D67|16