Taxon - Odkazy a literatura
Paleobiology Database [220673]
Paleobiology Database [https://paleobiodb.org/] [jako Hagenulites Staniczek, 2003]
Datum citace: 11. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1142377]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Hagenulites Staniczek, 2003]
Datum citace: 30. listopad 2019