Taxon - Odkazy a literatura
Paleobiology Database [176680]
Paleobiology Database [https://paleobiodb.org/] [jako Protereisma Sellards, 1907]
Datum citace: 13. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1235228]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Protereisma Sellards, 1907]
Datum citace: 30. listopad 2019
The Interim Register of Marine and Nonmarine Genera [1368218]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Therates Sellards, 1907]
Datum citace: 8. prosinec 2019