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 Sphaerexochus valcourensis Shaw & Bolton 2011]Data retrieved on: 3 March 2020
Paleobiology Database [189865]
Paleobiology Database [https://paleobiodb.org/] [as Sphaerexochus valcourensis Shaw & Bolton, 2011]
Data retrieved on: 1 April 2020