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 Otarion (Conoparia) tridens Ingham 1970]Datum citace: 27. únor 2020
Paleobiology Database [308192]
Paleobiology Database [https://paleobiodb.org/] [jako Harpidella tridens Ingham, 1970]
Datum citace: 11. prosinec 2015