Taxon - Odkazy a literatura
Paleobiology Database [287332]
Paleobiology Database [https://paleobiodb.org/] [jako Ptychoparioides Růžička, 1940]
Datum citace: 24. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1191088]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Ptychoparioides Ružicka, 1940]
Datum citace: 29. listopad 2019
Vaněk J., Valíček J. (2001): New index of the genera, subgenera and species of Barrandian trilobites. Part A-B (Cambrian and Ordovician) ver. 2013/09, Paleontologia Bohemiae vol. VII, Praha [jako Ptychoparioides Růžička, 1940]Datum citace: 24. září 2013