Taxon - Odkazy a literatura
Paleobiology Database [313387]
Paleobiology Database [https://paleobiodb.org/] [jako Gracianella graciosa Havlicek, 1990]
Datum citace: 11. prosinec 2015
Havlíček V. & Štorch P. (1990): Silurian brachiopods and benthic communities in the Prague Basin (Czechoslovakia), Ústřední ústav geologický, Academia [jako Gracianella graciosa Havlíček in Havlíček & Štorch, 1990]