Variation in tooth morphology of Gorilla gorilla

Akiko Uchida*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

51 Citations (Scopus)


Gorilla gorilla exemplifies a species that shows considerable variation in habitat, behaviour, genetic structure and morphology. This study examines variation of dental morphology in gorillas. Despite the marked size dimorphism, there are no significant shape differences between the sexes within subspecies. Differences in dental morphology, including tooth cusp proportions between the western G. g. gorilla and the eastern G. g. beringei are considerable. Although more similar to G. g. beringei than to the western G. g. gorilla, G. g. graueri also shows distinct morphological features. This indicates that the morphology of G. g. graueri is not merely intermediate, and genetic isolation between the two eastern subspecies could have had a substantial influence. Such extensive variation in dental morphology in Gorilla gorilla can be considered to be the result of an interesting combination of factors, including local dietary adaptations.

Original languageEnglish
Pages (from-to)55-70
Number of pages16
JournalJournal of Human Evolution
Issue number1
Publication statusPublished - 1998 Jan
Externally publishedYes


  • Cusp areal proportions
  • Gorilla
  • Populations
  • Tooth morphology

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Anthropology


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