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 Bumastoides billingsi (Raymond & Narraway 1908)]Datum citace: 3. březen 2020
Paleobiology Database [309494]
Paleobiology Database [https://paleobiodb.org/] [jako Bumastoides billingsi (Raymond & Narraway, 1908)]
Datum citace: 1. duben 2020