KINGDOM: Animals

Bilaterally symmetrical animals

SUPERPHYLUM: Deuterostomes

PHYLUM: Chordates

SUBPHYLUM: Vertebrates

INFRAPHYLUM: Gnathostomes

TELEOSTOMES

EUTELEOSTOMES

CLASS: Sarcopterygians

RHIPIDISTIA

SUBCLASS: Tetrapodomorphs

SUPERCLASS: Tetrapods

SUPERORDER: Reptiliomorphs

SERIES: Amniotes

CLASS: Synapsids

CLASS: Mammals

SUPERORDER: Therians

INFRACLASS: Eutherians

SUPERORDER: Euarchontoglires

EUARCHONTA

ORDER: Primates

SUBORDER: Haplorrhines

INFRAORDER: Simians

PARVORDER: Catarrhines

SUPERFAMILY: Apes

FAMILY: Great Apes

SUBFAMILY: Hominines

TRIBE: Gorillini

Gorillini contains all gorillas and their extinct ancestors which are not directly related to the hominini tribes which contains chimpanzees and humans.

It is believed that the gorillini and hominini were first distinguishable from one another around 7 million years ago.

The only extant genus of the gorillini tribe is the gorilla, which contain all known extant species of gorilla.