Maeda, Shiro Microfossils from the Pisco formation, southern Peru - Chiba Chiba University, Geological Laboratory 1981 - pp. 19-32 láms. Subjects--Topical Terms: BIOESTRATIGRAFIADIATOMEASMICROFOSILESSILICOFLAGELLATA Subjects--Geographic Terms: ICAPISCO Subjects--Index Terms: FORMACION PISCO