VAN AMEROM, Hendrik W. J.; GILLESPIE, William H.; WAGNER, Robert H. Daubreeia pateraeformis (Germar) Zeiller, a Stephanian sphenopsid from western Europe and North America. Spanish Journal of Palaeontology, [S. l.], v. 18, n. 2, p. 159–170, 2021. DOI: 10.7203/sjp.18.2.21642. Disponível em: https://turia.uv.es/index.php/sjpalaeontology/article/view/21642. Acesso em: 6 dic. 2024.