The influence of fallback foods on great ape tooth enamel

Paul J. Constantino · Peter W. Lucas · James J.-W. Lee · Brian R. Lawn

102 citations0/0 files storedAmerican Journal of Physical Anthropology

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Pleistocene-Era Hominins and Archaeology Evolution and Paleontology Studies Primate Behavior and Ecology

Abstract

Lucas and colleagues recently proposed a model based on fracture and deformation concepts to describe how mammalian tooth enamel may be adapted to the mechanical demands of diet (Lucas et al.: Bioessays 30 2008 374-385). Here we review the applicability of that model by examining existing data on the food mechanical properties and enamel morphology of great apes (Pan, Pongo, and Gorilla). Particular attention is paid to whether the consumption of fallback foods is likely to play a key role in influencing great ape enamel morphology. Our results suggest that this is indeed the case. We also consider the implications of this conclusion on the evolution of the dentition of extinct hominins.

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References

2017Evolutionary History of the Robust Australopithecines 1970The Seed-Eaters: A New Model of Hominid Differentiation Based on a Baboon Analogy 2005Dental microwear texture analysis shows within-species diet variability in fossil hominins 2004Dental Functional Morphology 2007Evolutionary Consequences of Fallback Foods 2017The Seed-Eaters: A New Model of Hominid Differentiation Based on a Baboon Analogy 1998Changes in Orangutan Caloric Intake, Energy Balance, and Ketones in Response to Fluctuating Fruit Availability 2000Diet and the evolution of the earliest human ancestors

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2012Dental microwear texture and anthropoid diets 2015Fallback Foods, Optimal Diets, and Nutritional Targets: Primate Responses to Varying Food Availability and Quality 2011Sympatric Chimpanzees (Pan troglodytes troglodytes) and Gorillas (Gorilla gorilla gorilla) in Loango National Park, Gabon: Dietary Composition, Seasonality, and Intersite Comparisons 2014Seasonality, extractive foraging and the evolution of primate sensorimotor intelligence 2009Fallback foraging as a way of life: Using dietary toughness to compare the fallback signal among capuchins and implications for interpreting morphological variation

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