Alencáster, Gloria. “New Caprinid Rudist Genera Guzzella and Muellerriedia (Bivalvia-Hippuritacea) from the Albian (Cretaceous) of Central Mexico”. Revista Mexicana de Ciencias Geológicas 15, no. 1 (December 10, 2018): 91–105. Accessed May 6, 2025. https://www.rmcg.unam.mx/index.php/rmcg/article/view/1110.