09/02/2015 Strepsirrhini

09/02/2015 Strepsirrhini - animals see ● Rhinarium(wet...

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Strepsirrhini Lecture 09/02/2015 Primates → Traditional Classification Prosimii Anthropoidea e.g. Lemurs, lorises, galagos, tarsiers Monkeys, apes, humans Old World (Including Madagascar) New World + Old World → New Classification Strepsirrhini Haplorhini Prosimii excluding tarsiers Anthropoidea + tarsiers Greater reliance on olfaction than vision Greater reliance on vision than olfaction Nocturnal Diurnal (except owl monkey + tarsiers) Arboreal (tree dwelling) Arboreal (tree dwelling) & terrestrial (ground dwelling) Strepsirrhines Tapetum lucidum: light gathering layer of the eyes to help nocturnal
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Unformatted text preview: animals see ● Rhinarium (wet nose) ○ tarsiers have dry noses ● Unfused frontal bone (front of skull) ● No postorbital Plate ○ back of eye balls ○ protects eyeballs when chewing ● Unfused mandibular symphysis ○ tarsiers have unfused mandibular symphysis ● Grooming claw on second digit of foot ○ tarsiers have 2 (second + third digit) ● Tooth comb Infraorder Lemuriformes Lorisiformes e.g. lemurs, indris, aye-ayes e.g. lorises, galagos Only Madagascar Africa + Asia...
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