Enay, Raymond Upper Tithonian ammonites and floras from the Chicama basin, Northern Peruvian Andes - Zurich Transtec Publications 1996 - pp. 221-234 ilus. - GeoResearch Forum v.1-2 . Subjects--Topical Terms: AMMONITESBIOESTRATIGRAFIAJURASICOPALEOBOTANICA Subjects--Geographic Terms: ANDESCHICAMALA LIBERTADPERU Subjects--Index Terms: CUENCA CHICAMA