Helicodonta obvoluta, la "Chiocciola spinosa", gasteropode caratterizzato da sottilissimi "peli" negli stadi giovanili. Riserva naturale di Nazzano, Tevere-Farfa (Q3936789)
Summary[edit] Description: English: Helicodonta obvoluta (O. F. Müller, 1774) photographed in an oak forest on a dead tree during a rainy spring in Haute-Loire (France). Date: 12 May 2021, 15:31:41. Source: Own work. Author: Adrien BENOIT à la GUILLAUME.