Shells of Wollastonia klausgrohi sp. n. 168 holotype, NMWC Z.2016.013.00003 169, 170 paratypes from the loc. typ. 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