Shells of Wollastonia oxytropis. 183 original figure of Helix oxytropis R. T. Lowe, 1831 from Lowe (1831: pl. 6 fig. 18) 184 lectotype of Helix oxytropis R. T. Lowe, 1831, NMH 1968.546 ex coll. Lowe 185 paralectotype 186, 187 recent specimens from Pico do Concelho. Scale bar 1 mm.

 
 
  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