Taxon - Odkazy a literatura
druh
Retusa obtusa (Montagu, 1803)
Retusa obtusa (Montagu, 1803) Paleobiology Database [94509]
Paleobiology Database [https://paleobiodb.org/] [jako Retusa obtusa (Montagu, 1808)]
Datum citace: 11. prosinec 2015
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Retusa obtusa (Montagu, 1803)]Datum citace: 23. listopad 2013
Repetto G., Orlando F. & Arduino G. (2005): Conchiglie del Mediterraneo, Amici del Museo "Federico Eusebio", Alba, Italy [jako Retusa obtusa (Montagu, 1803)]