Taxon - Links and literature
Echinoid Directory [858]
Smith A. B. (ed.) (2005): Echinoid Directory [http://www.nhm.ac.uk/research-curation/p...], Natural History Museum, London [as Echinarachnius]
Data retrieved on: 23 January 2020
Paleobiology Database [33121]
Paleobiology Database [https://paleobiodb.org/] [as Echinarachnius Gray, 1825]
Data retrieved on: 13 December 2015
The Interim Register of Marine and Nonmarine Genera [1469569]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Echinarachnius Gray, 1825]
Data retrieved on: 30 November 2019