Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1432074]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Calliops Delo, 1935]
Datum citace: 29. listopad 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 Calliops DELO, 1935]Datum citace: 11. říjen 2011