MARTINS, A. M. D. F.; BRITO, C. P.; BACKELJAU, T. Oxychilus (Drouetia) viridescens (Gastropoda: Pulmonata: Oxychilidae), a new species from Santa Maria, Açores, and a review of the subgenus. Zootaxa, Auckland, New Zealand, v. 3619, n. 3, p. 343–368, 2013. DOI: 10.11646/zootaxa.3619.3.5. Disponível em: https://mapress.com/zt/article/view/zootaxa.3619.3.5. Acesso em: 19 apr. 2025.