Taxon - Odkazy a literatura
Paleobiology Database [19007]
Paleobiology Database [https://paleobiodb.org/] [jako Willwerathia]
Datum citace: 30. leden 2016
The Interim Register of Marine and Nonmarine Genera [1054381]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Willwerathia Stormer, 1969]
Datum citace: 22. leden 2020