Bianucci, Giovanni Taphonomy and palaeoecology of the lower Miocene marine vertebrate assemblage of Ullujaya (Chilcatay Formation, East Pisco Basin, southern Peru) - Amsterdam Elsevier December 2018 - pp. 256-279 ilus. Subjects--Topical Terms: PALEONTOLOGÍAPALEOECOLOGIATAFONOMIAVERTEBRADOSMIOCENO INFERIORFOSILES MARINOSCRONOESTRATIGRAFIAPALEOAMBIENTESCETACEAELASMOBRANCHII Subjects--Geographic Terms: PERUICAPISCOULLUJAYA Subjects--Index Terms: FORMACION CHILCATAY