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 Harpidella (Harpidella) obnoxium (Snajdr 1978)]Datum citace: 28. únor 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 [jako Harpidella obnoxium (Šnajdr, 1978)]