Taxon - Odkazy a literatura
de Jong, Y.S.D.M. (ed.): Fauna Europaea 2.4 [http://www.faunaeur.org] [jako Turricaspia dimidiata (Eichwald, 1841)]Datum citace: 9. březen 2012
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Turricaspia dimidiata (Eichwald, 1838)]Datum citace: 23. listopad 2013
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Pyrgula bakuana (Kolesnikov, 1947)]Datum citace: 22. listopad 2013