Taxon - Odkazy a literatura
Australian Faunal Directory [9ab5bba4-69a1-4cb0-a37f-12af69dbfdb0]
ABRS (2009-2019): Australian Faunal Directory [https://biodiversity.org.au/afd/home], Australian Biological Resources Study, Canberra [jako Colpospira quadrata (Donald, 1900)]
Datum citace: 16. únor 2015
Paleobiology Database [96374]
Paleobiology Database [https://paleobiodb.org/] [jako Colpospira quadrata (Donald, 1900)]
Datum citace: 13. prosinec 2015
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Colpospira quadrata (Donald, 1900)]Datum citace: 23. listopad 2013