References
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- CURRIE, E.D. 1927. Jurassic and Eocene Echinoidea from Somaliland. Transactions of the Royal Society of Edinburgh 55: 411–441.
- ICZN. 1999. International Code of Zoological Nomenclature. Fourth Edition. The International Trust for Zoological Nomenclature, London.
- KIER, P.M. 1972. Tertiary and Mesozoic echinoids of Saudi Arabia. Smithsonian Contributions to Paleobiology 10: 1–242.
- SMITH, A.B. (ed.) 2010. The Echinoid Directory. Online at: http://www.nhm.ac.uk/research-curation/projects/echinoid-directory/index (accessed April 2010).