Taxon - Links and literature
Lemke U. (2019): Catalogue of the available names and non available names of the species and subspecies for the class Trilobita [as Peratagnostus invalidus (Lu & Lin 1989)]Data retrieved on: 3 March 2020
Paleobiology Database [231668]
Paleobiology Database [https://paleobiodb.org/] [as Peratagnostus invalidus (Lu & Lin, 1989)]
Data retrieved on: 1 April 2020