Taxon - Odkazy a literatura
Paleobiology Database [141039]
Paleobiology Database [https://paleobiodb.org/] [jako Volgavis Nessov & Yarkov, 1989]
Datum citace: 30. leden 2016
The Interim Register of Marine and Nonmarine Genera [1442894]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Volgavis Nessov & Jarkov, 1989]
Datum citace: 21. leden 2020