Middle Devonian reef-derived calciturbidites of western Ossa-Morena Zone (Portugal): conodont biostratigraphy of the Eifelian Pedreira da Engenharia limestones - Silvério, Gonçalo; Liao, Jau-Chyn; Valenzuela-Ríos, José Ignacio; Machado, Gil; Barreto, Pedro; Moreira, Noel (2024)