SIMONE, L. R. L.; MONSECOUR, K. Paratypes of Brazilian Cosmioconcha helenae (Gastropoda, Columbellidae) actually belong to a new species. Zootaxa, Auckland, New Zealand, v. 5406, n. 3, p. 492–494, 2024. DOI: 10.11646/zootaxa.5406.3.9. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.5406.3.9. Acesso em: 10 may. 2025.