Taxon - Odkazy a literatura
druh
Zemitrella helena (Thiele, 1925)
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Zemitrella helena (Thiele, 1925)]Datum citace: 22. listopad 2013