Taxon - Odkazy a literatura
Paleobiology Database [31177]
Paleobiology Database [https://paleobiodb.org/] [jako Progalliaecystis]
Datum citace: 30. leden 2016
The Interim Register of Marine and Nonmarine Genera [1115909]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Progalliaecystis]
Datum citace: 23. leden 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 [jako Progalliacystis Cripps, 1989]Datum citace: 9. leden 2016