Taxon - Odkazy a literatura
druh
Opalia soror (N.H. Odhner, 1919)
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Opalia soror Odhner, 1919]Datum citace: 22. listopad 2013
druh
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Opalia soror Odhner, 1919]