The Great Apes

[Hafstanni]

Comparison between the partial mandible of a Gigantopithecus blacki and that of a mountain gorilla. You might think from this that the Gigantopithecus is a significantly larger animal, but the tooth row of a gorilla is only 20% shorter than that of a Gigantopithecus, and orangutans which are the closest living relatives of Gigantopithecus, can have thicker mandibles than gorillas much larger than themselves.

*This image is copyright of its original author

22.3 cm long Sumatran orangutan skull vs 29.7 cm long gorilla skull.

*This image is copyright of its original author

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