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Brown spider monkey (Ateles hybridus) Platyrrhini is a parvorder of primates. Members of this parvorder are called platyrrhines, or New World monkeys, and include marmosets, tamarins, and capuchin, squirrel, night, titi, saki, howler, spider, and woolly monkeys. Platyrrhini is one of three clades that form the suborder Haplorrhini, itself one of two suborders in the order Primates. They are ...
The black-capped squirrel monkey (Saimiri boliviensis) is a species of New-World monkey native to the upper Amazon basin in Bolivia, western Brazil and eastern Peru. [3] [4] They weigh between 365 and 1,135 g (13 and 40 oz) and measure, from the head to the base of the tail, between 225 and 370 mm (9 and 15 in). [5]
Squirrel monkey in Yacuma Park, Bolivia. Squirrel monkeys are New World monkeys of the genus Saimiri. Saimiri is the only genus in the subfamily Saimiriinae.The name of the genus is of Tupi origin (sai-mirím or çai-mbirín, with sai meaning 'monkey' and mirím meaning 'small') [3] and was also used as an English name by early researchers.
New World monkeys (except for the howler monkeys of genus Alouatta) [21] also typically lack the trichromatic vision of Old World monkeys. [22] Colour vision in New World primates relies on a single gene on the X-chromosome to produce pigments that absorb medium and long wavelength light, which contrasts with short wavelength light.
The black squirrel monkey (Saimiri vanzolinii), also known as the blackish squirrel monkey or black-headed squirrel monkey, is a small New World primate, endemic to the central Amazon in Brazil. [2] It largely resembles the female of the far more common Bolivian squirrel monkey , though the latter lacks the black central back.
The Central American squirrel monkey is a member of the family Cebidae, the family of New World monkeys containing squirrel monkeys, capuchin monkeys, tamarins and marmosets. Within the family Cebidae, it is a member of the subfamily Saimiriinae, the subfamily containing squirrel monkeys. [5]
Four species of monkey are native to the forests of Costa Rica, the Central American squirrel monkey (Saimiri oerstedii), the Panamanian white-faced capuchin (Cebus imitator), the mantled howler (Alouatta palliata) and Geoffroy's spider monkey (Ateles geoffroyi). [1] [2] All four species are classified scientifically as New World Monkeys. [3]
Saimiri fieldsi is an extinct species of New World monkey in the genus Saimiri (squirrel monkeys) from the Middle Miocene (Laventan in the South American land mammal ages; 13.8 to 11.8 Ma). Its remains have been found at the Konzentrat-Lagerstätte of La Venta in the Honda Group of Colombia. [1]