Taxon - Links and literature
The Interim Register of Marine and Nonmarine Genera [1212987]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Girvanicystis Caster, 1967]
Data retrieved on: 23 January 2020
Dominguéz Alonso P., Jefferies R. P. S., Gil Cid D. (2002): An annotated check-list of genera and species of carpoids, Coloquios de Palcontologia, 53: 33-68 [as Girvanicystis Caster, 1967]Data retrieved on: 19 February 2016