Taxon - Links and literature
Paleobiology Database [287332]
Paleobiology Database [https://paleobiodb.org/] [as Ptychoparioides Růžička, 1940]
Data retrieved on: 24 December 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] [as Ptychoparioides Ružicka, 1940]
Data retrieved on: 29 November 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 [as Ptychoparioides Růžička, 1940]Data retrieved on: 24 September 2013