Taxon - Links and literature
Paleobiology Database [19861]
Paleobiology Database [https://paleobiodb.org/] [as Asaphellus Callaway, 1877]
Data retrieved on: 13 December 2015
Paleobiology Database [103503]
Paleobiology Database [https://paleobiodb.org/] [as Hemigyraspis Raymond, 1910]
Data retrieved on: 27 January 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] [as Asaphellus Callaway, 1877]
Data retrieved on: 30 November 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] [as Asaphelloides Kobayashi, 1937]
Data retrieved on: 8 December 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] [as Asaphoon Hutchison & Ingham, 1967]
Data retrieved on: 8 December 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] [as Hemigyraspis Raymond, 1910]
Data retrieved on: 8 December 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] [as Plesiomegalaspis Thoral, 1946]
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 Asaphellus CALLAWAY, 1877]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 Asaphellus Callaway, 1877]Data retrieved on: 27 September 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 [as Asaphellus]