Taxon - Odkazy a literatura
Paleobiology Database [23018]
Paleobiology Database [https://paleobiodb.org/] [jako Beyrichia M'Coy, 1846]
Datum citace: 24. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1344104]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Beyrichia M'Coy in Griffith, 1846]
Datum citace: 6. leden 2020