Taxon - Odkazy a literatura
Cratispirifer Archbold & Thomas, 1985 Paleobiology Database [29192]
Paleobiology Database [https://paleobiodb.org/] [jako Cratispirifer Archbold & Thomas, 1985]
Datum citace: 11. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1016073]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Cratispirifer Archbold & Thomas, 1985]
Datum citace: 30. listopad 2019