SEPÚLVEDA, Alexandre; LIÑAN, Eladio; CHIRIVELLA, Juan B.; GÁMEZ VINTANED, José Antonio; GOZALO, Rodolfo. Biostratigraphy of the Ribota and Huérmeda formations (Cambrian Series 2) in the Comarca del Aranda (Zaragoza province), Iberian Chains (NE Spain). Spanish Journal of Palaeontology, [S. l.], v. 37, n. 1, p. 101–122, 2022. DOI: 10.7203/sjp.24492. Disponível em: https://pasquin.uv.es/index.php/sjpalaeontology/article/view/24492. Acesso em: 20 sep. 2024.