Taxon - Odkazy a literatura
Lemke U. (2019): Catalogue of the available names and non available names of the species and subspecies for the class Trilobita [jako Asaphellus frequens (Thoral 1935)]Datum citace: 2. duben 2020
Lemke U. (2019): Catalogue of the available names and non available names of the species and subspecies for the class Trilobita [jako Asaphellus frequens (Thoral 1935)]