Plasencia, P., A. Márquez- Aliaga, and F. Hirsch. “Sephardiellinae, a New Middle Triassic Conodont Subfamily”. Journal of Iberian Geology 33, no. 2 (January 1, 2007): 163–172. Accessed November 5, 2024. https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0707210163A.