READ, Helen J.; ENGHOFF, Henrik. Siphonophoridae from Brazilian Amazonia Part 1 – The genus Columbianum Verhoeff, 1941 (Diplopoda, Siphonophorida). European Journal of Taxonomy, [S. l.], n. 477, 2018. DOI: 10.5852/ejt.2018.477. Disponível em: https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/608. Acesso em: 24 apr. 2026.