Taxon - Odkazy a literatura
druh
Calthalotia fragum (Philippi, 1848)
Paleobiology Database [62510]
Paleobiology Database [https://paleobiodb.org/] [jako Thalotia marginata Tenison-Woods, 1880]
Datum citace: 11. prosinec 2015
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Thalotia comptessi Iredale, 1931]Datum citace: 22. listopad 2013