Zanzibar Red Colobus – Piliocolobus kirkii

Piliocolobus kirkiiGray, 1868

Accepterad namn, Mammal Species of the World 2005

Considered a separate species by Dandelot (1974) and Groves (2001c).

• Wilson, D and Reeder, D. (eds.) 2005. Mammal Species of the World. A Taxonomic and Geographic Reference. 3rd ed. -- 2142 pp. Johns Hopkins University Press.