Taxon - Odkazy a literatura
druh
Helix engaddensis Bourguignat, 1852
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Helix engaddensis Bourguignat]Datum citace: 22. listopad 2013