Taxon - Odkazy a literatura
Paleobiology Database [91559]
Paleobiology Database [https://paleobiodb.org/] [jako Colus pygmaeus (Gould, 1841)]
Datum citace: 28. leden 2018
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Colus pygmaeus Gould, 1841]Datum citace: 23. listopad 2013