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 Beggaspis spinicaudatum (Shaw 1968)]Datum citace: 27. únor 2020
Paleobiology Database [175019]
Paleobiology Database [https://paleobiodb.org/] [jako Otarion spinicaudatum Shaw, 1968]
Datum citace: 11. prosinec 2015