Upper Cretaceous neoselachians from the Basque-Cantabrian Region (Northern Spain). Unpublished doctoral thesis, University of the Basque Country (UPV/EHU), Leioa, 479 pp.
Campanian sharks, rays and other fossils from a long-gone Basque-Cantabrian sea. Publica, Autor & Editor, Vitoria-Gasteiz, 274 pp. [ISBN: 978-84-09-30406-6]