Taxon - Odkazy a literatura
druh
Retizafra valae (M. Lussi, 2009)
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Costoanachis valae Lussi, 2009]Datum citace: 23. listopad 2013