Taxon - Links and literature
Paleobiology Database [16222]
Paleobiology Database [https://paleobiodb.org/] [as Cratis Hedley, 1915]
Data retrieved on: 13 December 2015
The Interim Register of Marine and Nonmarine Genera [1309364]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Cratis Hedley, 1915]
Data retrieved on: 30 November 2019