ANT%20151%2003

ANT%20151%2003 - W h ic h o n e s a r e n o t p r im a t e...

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1 Lecture 3 What Makes a Primate? Which ones are not primates? Which ones are not primates? Redtail monkey Tree shrew Mountain gorilla Buffy-headed marmoset Galago Fruit bat Tarsier Taxonomy of the Primates Order Primates Suborder Prosimii Suborder Anthropoidea Infraorder Platyrrhini Infraorder Catarrhini Superfamily Cercopithecoidea Superfamily Hominoidea Taxonomic Level Taxonomic Name Taxonomy of the Primates Taxonomic Level Taxonomic Name Superfamily Hominoidea Family Hylobatidae Family Pongidae Genus Pongo Family Hominidae Genus Gorilla Genus Pan Genus Homo Suborder Prosimii (prosimians)
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2 Suborder Prosimii Suborder Anthropoidea (monkeys, apes, people) Infraorder Platyrrhini Buffy-headed marmoset Northern gray-necked owl monkey Cotton-top tamarin Woolly spider monkey Pygmy marmoset Bald uakari White-faced capuchin Infraorder Catarrhini Orangutan Red colobus Yellow baboons Blue monkey Silvery gibbon Hanuman langurs Barbary macaques Superfamily Cercopithecoidea Vervet Yellow baboon Geladas Gray-cheeked mangabey Western red colobus Proboscis monkey Golden langur Sichuan golden snub-nosed monkey Superfamily Hominoidea Apes & humans
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3 Where Primates Live in the World Platyrrhines Prosimians Where Primates Live in the World Platyrrhines Catarrhines What Makes a Primate a Primate? The Primate Suite of Characteristics 1. Clavicle (collarbone) 2. Grasping hands and feet 3. Five digits on hands/feet 4. Nails on at least one digit 5. Opposable thumbs/toes 6. Forward-facing eyes 7. Stereoscopic vision 8. Post-orbital bar 9. Reliance on vision as predominant sense 10. Enlarged brains for their body size Pentadactyly, nails, grasping hands, opposable thumbs Forward-Facing Eyes Better depth perception through stereovision
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Dog: No post-orbital bar Primate: Post-orbital bar present Dog: No post-orbital bar No clavicle Primate: Post-orbital bar present Clavicle present Primate foot Dog foot Arboreal life A long-standing hypothesis is that primate traits evolved because of their arboreal lifestyle Close Relatives of Primates Share some but not all characteristics Tree shrew
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ANT%20151%2003 - W h ic h o n e s a r e n o t p r im a t e...

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