Robust capuchin monkeys are capuchin monkeys in the genus Sapajus. Formerly all capuchin monkeys were placed in the genus Cebus; Sapajus was erected in 2012 by Jessica Lynch Alfaro et al. to differentiate the robust (tufted) capuchin monkeys (formerly the C. apella group) from the gracile capuchin monkeys (formerly the C. capucinus group), which remain in Cebus.