Zili L, Zaghbib-Turki D, Alegret L, Arenillas I, Molina E. Foraminiferal turnover across the Paleocene/Eocene boundary at the Zumaya section, Spain: record of a bathyal gradual mass extinction. revmexcg [Internet]. 4 de marzo de 2014 [citado 15 de marzo de 2025];26(3). Disponible en: https://rmcg.unam.mx/index.php/rmcg/article/view/344