Taxon - Links and literature
Lemke U. (2019): Catalogue of the available names and non available names of the species and subspecies for the class Trilobita [as Cyphaspis intermedium (Prantl & Pribyl 1950)]Data retrieved on: 28 February 2020
Vaněk J., Valíček J. (2002): New index of the genera, subgenera and species of Barrandian trilobites. Part C-D (Silurian and Devonian) ver. 2013/09, Paleontologia Bohemiae vol. VIII, Praha [as Cyphaspis intermedium (Prantl et Přibyl, 1950)]