Taxon - Odkazy a literatura
Paleobiology Database [13371]
Paleobiology Database [https://paleobiodb.org/] [jako Hardmanoceras Teichert & Glenister, 1952]
Datum citace: 24. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1061779]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Hardmanoceras Teichert & Glenister, 1952]
Datum citace: 30. listopad 2019