Taxon - Odkazy a literatura
Paleobiology Database [114155]
Paleobiology Database [https://paleobiodb.org/] [jako Ascanigypa Havlicek, 1990]
Datum citace: 11. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1229684]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Ascanigypa Havlicek in Havlicek & Storch, 1990]
Datum citace: 13. únor 2020
Havlíček V. & Štorch P. (1990): Silurian brachiopods and benthic communities in the Prague Basin (Czechoslovakia), Ústřední ústav geologický, Academia [jako Ascanigypa Havlíček in Havlíček & Štorch, 1990]