Straight-haired men _Lissotrichi_ | Woolly-haired men | _Ulotrichi_ | | | | | \-------------v-------------/ Speechless men (_Alali_), or Ape-like men (_Pithecanthropi_) | Gorilla | _Gorilla_ | Orang Chimpanzee | | _Satyrus_ _Engeco_ | | | Gibbon | | | | _Hylobates_ | | | | | \------v------/ | | | African \-------v--------/ Man-like Apes Asiatic | Man-like Apes | | \----------v-----------/ =Man-like Apes= Nose apes +Anthropoides+ _Nasalis_ | | Silk apes | Tall apes | _Arctopitheci_ | _Semnopithecus_ | | Clutch-tails | | | | _Labidocerca_ | | | | | | \-v----------/ | | | Sea cat | Pavian \-----v-------/ | _Cercopithecus_ | _Cynocephalus_ Flap-tails | | | | _Aphyocerca_ | | | | \--------------v--------------/ =Flat-nosed Apes= Tailed Narrow-nosed apes +Platyrrhini+ _Catarrhina menocerca_ | =Narrow-nosed= | +Catarrhini+ | | | | \--------------v---------------/ =Apes= +Simiæ+ | | Semi-apes _Prosimiæ_