What year was the Sunda clouded leopard classified as a separate species than its mainland relative, the clouded leopard?
Neofelis: Neofelis is a genus comprising two extant felid species from Southeast Asia: the clouded leopard ("Neofelis nebulosa") of mainland Asia, and the Sunda clouded leopard ("Neofelis diardi") of Sumatra and Borneo. Sunda clouded leopard:  In 2006, it was classified as a separate species, distinct from its continental relative "Neofelis nebulosa".
2006