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 Proasaphiscus rigidus Egorova & Savitsky 1968]Data retrieved on: 7 April 2020
Lemke U. (2019): Catalogue of the available names and non available names of the species and subspecies for the class Trilobita [as Proasaphiscus rigidus Egorova & Savitsky 1968]