WEBER, Reinhard. New and poorly known ferns from the Santa Clara Formation, Late Triassic, Sonora, NW Mexico; III Marattiales. Tranquilia Herbst—a Panamerican dimorphic genus. Revista Mexicana de Ciencias Geológicas, [S. l.], v. 16, n. 2, p. 175–186, 2018. Disponível em: https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/1068. Acesso em: 4 may. 2025.