Taxon - Odkazy a literatura
druh
Rolandiella umbilicata (J.E. Tenison-Woods, 1876)
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Rolandiella umbilicata Tenison-Woods, 1876]Datum citace: 22. listopad 2013