Taxon - Odkazy a literatura
Paleobiology Database [19024]
Paleobiology Database [https://paleobiodb.org/] [jako Onega]
Datum citace: 13. únor 2020
The Interim Register of Marine and Nonmarine Genera [1352512]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Onega Fedonkin in Keller & Fedonkin, 1976]
Datum citace: 13. únor 2020