Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1469569]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Echinarachnius Gray, 1825]
Datum citace: 30. listopad 2019
Echinoid Directory [858]
Smith A. B. (ed.) (2005): Echinoid Directory [http://www.nhm.ac.uk/research-curation/p...], Natural History Museum, London [jako Echinarachnius]
Datum citace: 23. leden 2020
Paleobiology Database [33121]
Paleobiology Database [https://paleobiodb.org/] [jako Echinarachnius Gray, 1825]
Datum citace: 13. prosinec 2015