Taxon - Odkazy a literatura
Paleobiology Database [136775]
Paleobiology Database [https://paleobiodb.org/] [jako Cardiola geminans Barrande, 1881]
Datum citace: 28. leden 2018
Kříž J. (2008): A new bivalve community from the lower Ludlow of the Prague Basin (Perunica, Bohemia), Bulletin of Geosciences 83(3), 237–280 [jako Cardiola geminans Barrande, 1881]