Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1213137]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Phocarctos Peters, 1866]
Datum citace: 30. listopad 2019
Paleobiology Database [71853]
Paleobiology Database [https://paleobiodb.org/] [jako Phocarctos Gray, 1844]
Datum citace: 3. březen 2016