Taxon - Odkazy a literatura
Paleobiology Database [19861]
Paleobiology Database [https://paleobiodb.org/] [jako Asaphellus Callaway, 1877]
Datum citace: 13. prosinec 2015
Paleobiology Database [103503]
Paleobiology Database [https://paleobiodb.org/] [jako Hemigyraspis Raymond, 1910]
Datum citace: 27. leden 2016
The Interim Register of Marine and Nonmarine Genera [1058751]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Asaphellus Callaway, 1877]
Datum citace: 30. listopad 2019
The Interim Register of Marine and Nonmarine Genera [1338116]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Asaphelloides Kobayashi, 1937]
Datum citace: 8. prosinec 2019
The Interim Register of Marine and Nonmarine Genera [1027158]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Asaphoon Hutchison & Ingham, 1967]
Datum citace: 8. prosinec 2019
The Interim Register of Marine and Nonmarine Genera [1151544]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Hemigyraspis Raymond, 1910]
Datum citace: 8. prosinec 2019
The Interim Register of Marine and Nonmarine Genera [1211135]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Plesiomegalaspis Thoral, 1946]
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 Asaphellus CALLAWAY, 1877]Datum citace: 11. říjen 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 [jako Asaphellus Callaway, 1877]Datum citace: 27. září 2013
Lefebvre B., El Hariri K., Lerosey-Aubril R., Servais T., Van Roy P. (2016): The Fezouata Shale (Lower Ordovician, Anti-Atlas, Morocco): A historical review, Palaeogeography, Palaeoclimatology, Palaeoecology 460, 7–23 [jako Asaphellus]