Mandrillus tessmanni Matschie & Zukowsky, 1917

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, p. 470

Current valid name: Mandrillus sphinx (Linnaeus, 1758)

Holotype: ZMB 26765, skin, skull, male, adult, Okak-Land on the middle Benito [ Mbini River] not far from Alen [Monte Alen], Equatorial Guinea; collected by Tessmann, undated.