Revision of the family Milacidae from Switzerland (Mollusca, Eupulmonata, Parmacelloidea) Author Schallenberg, Vivianne M. Natural History Museum Bern, Bernastrasse 15, CH- 3005 Bern, Switzerland & Institute of Ecology and Evolution, University of Bern, CH- 3012 Bern, Switzerland Author Heim, Rene St. - Karli-Strasse 32 c, CH- 6004 Lucerne, Switzerland Author Schneppat, Ulrich E. Natur Museum Lucerne, Kasernenplatz 6, CH- 6003 Lucerne, Switzerland Author Mueller, Peter Sennereiweg 8, CH- 7074 Churwalden-Malix, Switzerland Author Rueetschi, Joerg Witikonerstrasse 180, CH- 8053 Zurich, Switzerland Author Neubert, Eike https://orcid.org/0000-0002-0277-2894 Natural History Museum Bern, Bernastrasse 15, CH- 3005 Bern, Switzerland & Institute of Ecology and Evolution, University of Bern, CH- 3012 Bern, Switzerland eike.neubert@nmbe.ch text ZooKeys 2022 2022-08-09 1116 149 179 http://dx.doi.org/10.3897/zookeys.1116.82762 journal article http://dx.doi.org/10.3897/zookeys.1116.82762 1313-2970-1116-149 8A3C95DA976E44198122C54098768B4B 092434ED3FD85BA79FB1C1F38ADEAF7A Milacidae Ellis, 1926 Diagnostic features. Horse-shoe shaped groove on the mantle; pneumostome postmedian; keel connecting sole tip and mantle; sole tripartite, central sole field with V-shaped wrinkles, only visible in preserved animals ( Wiktor 1987 ).