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Unformatted text preview: Paleacenes Eocene primates- 55-34 mya- 1 st fossil forms Characteristics- complete postorbital bar- larger rounded braincase- nails instead of claws- eyes that are rotated forward o overlapping field of Omomyids- known from numerous specimens of jaws and teeth- north America, Europe, Asia- best examples of early tarsier- like primates- represented by necrolemur- short face- big eyes- narrow gap between the eyes- large brain- 126.96.36.199. or 188.8.131.52. o Dental formula Adapids- discovered in France in 1821 and first described by Cuvier- diurnal- may have given rise to modern day lemurs and lorises- represented by Notharctus- forward facing eyes- post orbital bar- large brain- reduced snout- vertical incisors- nails but not claws- flexible limbs- long tail Oligocene- 36-24 mya- Cooler drier climate in North America and Europe- Primates migrated to more tropical areas- Continental drift prohibited primate migration between Africa and south America- el fayum- most extensive grouping of fossils found here in modern day Egypt...
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This note was uploaded on 04/17/2008 for the course ANTH 101 taught by Professor Staff during the Fall '03 term at San Diego State.
- Fall '03