Taxon - Links and literature
Paleobiology Database [198455]
Paleobiology Database [https://paleobiodb.org/] [as Geragnostus Howell, 1935]
Data retrieved on: 24 December 2015
The Interim Register of Marine and Nonmarine Genera [1345629]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Geragnostus Howell, 1935]
Data retrieved on: 30 November 2019
The Interim Register of Marine and Nonmarine Genera [1243579]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Geratrinodus Kobayashi & Hamada, 1978]
Data retrieved on: 8 December 2019
The Interim Register of Marine and Nonmarine Genera [1134029]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Neptunagnostella Pek, 1977]
Data retrieved on: 8 December 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. [as Geragnostus HOWELL, 1935]Data retrieved on: 11 October 2011
Vaněk J., Valíček J. (2001): New index of the genera, subgenera and species of Barrandian trilobites. Part A-B (Cambrian and Ordovician) ver. 2013/09, Paleontologia Bohemiae vol. VII, Praha [as Geragnostus Howell, 1935]Data retrieved on: 27 September 2013