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 Agnostus (Homagnostus) longiformis Ergaliev 1980]Datum citace: 27. únor 2020
Paleobiology Database [203293]
Paleobiology Database [https://paleobiodb.org/] [jako Homagnostus longiformis Ergaliev, 1980]
Datum citace: 11. prosinec 2015