Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae)


	31 Original figure of Helix bicarinata G. B. Sowerby I, 1824 from Sowerby (1824: pl. 3 fig. 7) 32 Original figure of Helix duplicata R. T. Lowe, 1831 from R. T. Lowe (1831: pl. 6 fig. 20).

Part of: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677