Chiromyoides major


TAXONOMY:

MORPHOLOGY:
This species had a deep mandible (Fleagle, 1999). This species lacked a fused mandibular symphysis (Conroy, 1990). This species had a dental formula of 1?:?:3:3 on the upper jaw and 1:0:2:3 on the lower jaw (Conroy, 1990). The lower molars of this species had a relatively low trigonid and a broad talonid (Fleagle, 1999). The premolars and molars had low, bulbous cusps (Fleagle, 1999). This species had procumbent incisors (Fleagle, 1999). The upper incisors had a large posterocone towards the back (Conroy, 1990).

RANGE:
Chiromyoides major was found in North America during the late Paleocene epoch in the early Clarkforkian stage (Conroy, 1990).

DIET:
Based on teeth morphology this species had a granivorous diet (Fleagle, 1999).

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

Fleagle, J.G. 1999. Primate Adaptation and Evolution. Academic Press: San Diego.

Last updated: November 22, 2002

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