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 Protolloydolithus ramsayi (Hicks 1875)]Datum citace: 27. únor 2020
Lemke U. (2019): Catalogue of the available names and non available names of the species and subspecies for the class Trilobita [jako Protolloydolithus ramsayi (Hicks 1875)]