Taxon - Odkazy a literatura
Paleobiology Database [287177]
Paleobiology Database [https://paleobiodb.org/] [jako Galbertianus Ozdikmen, 2006]
Datum citace: 11. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1473025]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Galbertianus Özdikmen, 2006]
Datum citace: 30. listopad 2019
The Interim Register of Marine and Nonmarine Genera [1280909]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Hollardia Alberti, 1964]
Datum citace: 8. prosinec 2019
Jell P. A., Adrain J. M. (2002): Available generic names for trilobites, Memoirs of the Queensland Museum 48(2): 331-553. Brisbane. ISSN0079-8835. [jako Hollardia ALBERTI, 1964]Datum citace: 11. říjen 2011
Vaněk J., Valíček J. (2002): New index of the genera, subgenera and species of Barrandian trilobites. Part C-D (Silurian and Devonian) ver. 2013/09, Paleontologia Bohemiae vol. VIII, Praha [jako Hollardia Alberti, 1964]Datum citace: 1. říjen 2013