The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Fiona Harvey (September 10, 2012). "The expendables? World's 100 most endangered species listed". The Guardian. http://www.guardian.co.uk/environment/2012/sep/11/100-most-endangered-species-listed. Retrieved March 1, 2013.
- Jonathan E. M. Baillie & Ellen R. Butcher (2012). Priceless or Worthless? (PDF). Zoological Society of London. ISBN 978-0-900881-67-1. http://static.zsl.org/files/priceless-or-worthless-final-wq-2040-2050.pdf
- Platnick, Norman I. 2011. website. The World Spider Catalog, v.11.0. American Museum of Natural History. Database built by Robert J. Raven from the files underlying the website at http://research.amnh.org/iz/spiders/catalog/ DOI: 10.5531/db.iz.0001
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