Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1400285]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Opaliopsis Thiele, 1928]
Datum citace: 30. listopad 2019
Paleobiology Database [10214]
Paleobiology Database [https://paleobiodb.org/] [jako Opaliopsis]
Datum citace: 11. prosinec 2015