Pujalte, V., Diéguez, C., and Hernández, J. M. 2009. A fern-bennettitalean floral assemblage in Tithonian- Berriasian travertine deposits (Aguilar Formation, Burgos- Palencia, N Spain) and its palaeoclimatic and vegetational implications. Journal of Iberian Geology 35, 2, 127–140. Retrieved November 8, 2024 from https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0909220127A