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Stirtonia tatacoensis


TAXONOMY:

MORPHOLOGY:
Stirtonia tatacoensis had a dental formula of 2:1:3:3 on both the upper and lower jaws (Fleagle, 1988). This species possessed molars which were long and had a small trigonid and a large talonid (Fleagle, 1988). This species had molars with well-developed stylar shelves (Conroy, 1990). The upper molars of this species had high shearing crests similar to extant members of the genus Alouatta (Fleagle, 1988). This species had an average body mass of around 5.8 kilograms (Fleagle, 1988).

RANGE:
Stirtonia tatacoensis was found on the continent of South America, in the country of Colombia (Fleagle, 1988). This species occurred during early Miocene (Fleagle, 1988).

DIET:
Based upon the dental morphology this was a folivorous species (Fleagle, 1988).

REFERENCES:
Conroy, G.C. 1990. Primate Evolution. W.W. Norton and Co.: New York.

Fleagle, J.G. 1988. Primate Adaptation and Evolution. Academic Press: New York.

Last updated: November 17, 2001

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