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 Flexicalymene (Flexicalymene) planilabra Stumm & Kauffman 1958]Data retrieved on: 28 February 2020
Paleobiology Database [110815]
Paleobiology Database [https://paleobiodb.org/] [as Flexicalymene planilabra Stumm & Kauffman, 1958]
Data retrieved on: 24 December 2015