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FA Bisby, MA Ruggiero, YR Roskov, M Cachuela-Palacio, SW Kimani, PM Kirk, A Soulier-Perkins and J van Hertum, eds (2006). Species 2000 & ITIS Catalogue of Life: 2006 Annual Checklist. Digital resource at http://www.catalogueoflife.org/annual-checklist/2006/ Species 2000: Reading, U.K.
Bisby FA, Roskov YR, Orrell TM, Nicolson D, Paglinawan LE, Bailly N, Kirk PM, Bourgoin T, van Hertum J, eds (2008). Species 2000 & ITIS Catalogue of Life: 2008 Annual Checklist. Digital resource at http://www.catalogueoflife.org/annual-checklist/2008/. Species 2000: Reading, U.K.
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