Class [Mammalia] Linnaeus, 1758 - mammals
Ref: G.B. Corbet & J.E. Hill, 1991 [inferred name]; Count: [*] 21o;132f;1061g;4316s; ‡1f;5g;38s
   Order Primates Linnaeus, 1758 - primates
  Ref: G.B. Corbet & J.E. Hill, 1991: 91; Count: [*] 12f;59g;201s
     Family Cercopithecidae Gray, 1821 - Old World monkeys
    Ref: G.B. Corbet & J.E. Hill, 1991: 97; Count: [*] 15g;80s
       Subfamily Cercopithecinae Gray, 1821
      Ref: G.B. Corbet & J.E. Hill, 1991: 97; Count: [*] 9g;52s
         Genus Allenopithecus Lang, 1923 - Allen's monkey
        Ref: G.B. Corbet & J.E. Hill, 1991: 99; Count: [*] 1s
           Allenopithecus nigroviridis (Pocock, 1907) - Allen's swamp monkey
          Ref: G.B. Corbet & J.E. Hill, 1991: 99; Count: -