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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 ...
Platyrrhines also differ from Old World monkeys in that they have twelve premolars instead of eight; having a dental formula of 2.1.3.3 2.1.3.3 or 2.1.3.2 2.1.3.2 (consisting of 2 incisors, 1 canine, 3 premolars, and 2 or 3 molars).
Here's another list of monkeys: platyrrhines, or "New World monkeys", #5 in the order Primates and #34 overall for mammals. This took a while; the last couple of lists were 14 and 28 species, but this one is a much larger 160. Turns out South America is filled with a wide variety of little monkeys!
Howler monkeys (genus Alouatta, monotypic in subfamily Alouattinae) are the most widespread primate genus in the Neotropics and are among the largest of the platyrrhines along with the muriquis (Brachyteles), the spider monkeys (Ateles) and woolly monkeys (Lagotrix). The monkeys are native to South and Central American forests.
This taxon was traditionally thought to be a primitive lineage, from which all the larger-bodied platyrrhines evolved. [4] However, some works argue that callitrichids are actually a dwarfed lineage. [5] [6] Ancestral stem-callitrichids likely were "normal-sized" ceboids that were dwarfed through evolutionary time.
The order Primates consists of 505 extant species belonging to 81 genera. This does not include hybrid species or extinct prehistoric species. Modern molecular studies indicate that the 81 genera can be grouped into 16 families; these families are divided between two named suborders and are grouped in those suborders into named clades, and some of these families are subdivided into named ...
The technical distinction between the New World platyrrhines and Old World catarrhines is the shape of their noses. The platyrrhines (from Ancient Greek platy- , "flat", and rhin- , "nose") have nostrils which face sideways.
The simians include catarrhines (Old World monkeys and apes, including humans), and the platyrrhines (New World monkeys). Subcategories This category has the following 3 subcategories, out of 3 total.