List of sources:
Beolens, B., Watkins,
M. & Grayson, M. The eponym
dictionary of amphibians. Pelagic Publishing, 2013.
Beolens, B., Watkins,
M. & Grayson, M. The eponym
dictionary of reptiles. Baltimore: Johns Hopkins University Press, 2011.
Encephalartos ferox. The Cycad Society of South Africa. http://cycadsociety.org/?page_id=1784 as on 28 November 2016.