COLOMBA, M. S.; GREGORINI, A.; LIBERTO, F.; REITANO, A.; GIGLIO, S.; SPARACIO, I. Monographic revision of the endemic Helix mazzullii De Cristofori & Jan, 1832 complex from Sicily and re-introduction of the genus Erctella Monterosato, 1894 (Pulmonata, Stylommatophora, Helicidae). Zootaxa, Auckland, New Zealand, v. 3134, n. 1, p. 1–42, 2011. DOI: 10.11646/zootaxa.3134.1.1. Disponível em: https://mapress.com/zt/article/view/zootaxa.3134.1.1. Acesso em: 3 apr. 2025.