Taxon - Odkazy a literatura
de Jong, Y.S.D.M. (ed.): Fauna Europaea 2.4 [http://www.faunaeur.org] [jako Retinella circumsessa (Shuttleworth, 1852)]Datum citace: 9. březen 2012
IUCN Red List of Threatened Species 2024-1 [170961]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Retinella circumsessa (Shuttleworth, 1852)]
Datum citace: 29. leden 2024
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Retinella circumsessa (Shuttleworth, 1852)]Datum citace: 23. listopad 2013