Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1332143]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Phaxas Leach in Gray, 1852]
Datum citace: 7. únor 2020
Paleobiology Database [18065]
Paleobiology Database [https://paleobiodb.org/] [jako Phaxas]
Datum citace: 11. prosinec 2015