Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1360890]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Raja Linnaeus, 1758]
Datum citace: 30. listopad 2019
Paleobiology Database [34706]
Paleobiology Database [https://paleobiodb.org/] [jako Raja Linnaeus, 1758]
Datum citace: 11. prosinec 2015
AQUATAB. World Wide Web electronic publication [genus/3936]
Plíštil J. (Ed.) (2001-2025): AQUATAB. World Wide Web electronic publication [http://aquatab.net] [jako Raja Linnaeus, 1758]
Datum citace: 17. leden 2010