Taxon - Links and literature
Paleobiology Database [56244]
Paleobiology Database [https://paleobiodb.org/] [as Williamsonia Carruthers, 1870]
Data retrieved on: 3 January 2020
The Interim Register of Marine and Nonmarine Genera [1312730]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Williamsonia W. Carruthers, 1870]
Data retrieved on: 3 January 2020