mammal genus - a genus of mammals

family Pongidae, Pongidae - usually considered as comprising orangutans; gorillas; chimpanzees; and sometimes gibbons

gorilla, Gorilla gorilla - largest anthropoid ape; terrestrial and vegetarian; of forests of central west Africa

Gorilla gorilla gorilla, western lowland gorilla - a kind of gorilla

eastern lowland gorilla, Gorilla gorilla grauri - a kind of gorilla

Gorilla gorilla beringei, mountain gorilla - gorilla of Kivu highlands

silverback - an adult male gorilla with gray hairs across the back