Taxon - Odkazy a literatura
Paleobiology Database [26892]
Paleobiology Database [https://paleobiodb.org/] [jako Onnizetina]
Datum citace: 30. leden 2016
The Interim Register of Marine and Nonmarine Genera [1203317]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Onnizetina Havlicek, 1974]
Datum citace: 1. prosinec 2019