Figure 1 from: Bouaziz-Yahiatene H, Pfarrer B, Medjdoub-Bensaad F, Neubert E (2017) Revision of Massylaea Möllendorff, 1898 (Stylommatophora, Helicidae). ZooKeys 694: 109-133. https://doi.org/10.3897/zookeys.694.15001 - Bouaziz-Yahiatene, Houria (2017)