Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Primates Linnaeus, 1758 - primates
       Suborder Haplorrhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
         Infraorder Simiiformes Haeckel, 1866
           Parvorder Catarrhini Geoffroy Saint-Hilaire, 1812
             Superfamily Hominoidea Gray, 1825
               Family Hominidae Gray, 1825
                 Genus Gorilla Geoffroy Saint-Hilaire, 1852 - gorilla
                   Gorilla gorilla (Savage, 1847) - gorilla
                     [Gorilla gorilla gorilla]ᵀ (Savage, 1847) - western lowland gorilla