TY - CHAP AU - Fernández López, Sixto Rafael A4 - Chacaltana, C. A4 - Tejada, L.M. A4 - Morales, M.C. PY - 2013 UR - https://hdl.handle.net/20.500.14352/35672 AB - Strata of the Socosani Formation in the Pucayacu andPumani sections (Ayacucho Department, Peru), alongseveral kilometres, have yielded Upper Bajocianammonoid fossil-assemblages characterized by theoccurrence of juvenile individuals belonging to... LA - eng M2 - 88 PB - Instituto Geológico Minero y Metalúrgico KW - Ammonoid inmigration KW - Southern Peru TI - Late Bajocian bioevents of ammonoid immigration and colonization in the Arequipa Basin (Pumani River area, Ayacucho, southern Peru). TY - book part ER -