Fregenal-martínez, M.A., and A.D. Buscalioni. 2010. “A holistic approach to the palaeoecology of Las Hoyas Konservat-Lagerstätte (La Huérguina Formation, Lower Cretaceous, Iberian Ranges, Spain)”. Journal of Iberian Geology 36, nº 2:: 297-326. https://revistas.ucm.es/index.php/JIGE/article/view/JIGE1010220297A