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| | Unique Characteristics of Primateness - National Zoo| FONZ |
 | | The living haplorhines are divided into three infraorders the Tarsiiformes, or tarsiers, a very controversial group; the Platyrrhini, or New World monkeys; and the Catarrhini, or Old World monkeys, apes and humans. |
 | | University of California, Davis, Department of Anthropology, The Strepsirhini and Tarsiiformes, Fall 1999, Ant 154 |
 | | University of Vermont, Department of Biology, Order Primates: SO Haplorhini: Tarsiiformes, Platyrrhini, Jan Decher, |
| nationalzoo.si.edu /Animals/Primates/Facts/Primateness/default.cfm (1930 words) |
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