having a broad, flat-bridged nose. belonging or pertaining to the subdivision of simians that comprises New World monkeys, characterized by noses flatter than those of other simians and with widely separated, side-facing nostrils.

What does the word Platyrrhine mean?

1 : of, relating to, or being any of a division (Platyrrhina) of arboreal New World monkeys characterized by a broad nasal septum, usually 36 teeth, and often a prehensile tail. 2 : having a short broad nose. platyrrhine. noun.

Are humans Platyrrhine?

Haplorrhines are split into three groups: 1) the catarrhines, old world monkeys, apes, and humans; 2) the platyrrhines, new world (South American) monkeys, and 3) tarsiers. Apes are found in Africa and South East Asia, and tarsiers are found only in South East Asia.

Which of the following is an example of a Platyrrhine?

Platyrrhines include marmosets, tamarins, capuchins, squirrel monkeys, owl monkeys, titis, sakis, uakaris, woolly monkeys, etc. They are small to mid-sized primates.

Do platyrrhines have flat noses?

In New World monkeys (the Platyrrhini, meaning “flat nosed”), the nose is broad, and the nostrils are set wide apart, well separated by a broad septum, and point sideways.

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What is a platyrrhine nose?

having a broad, flat-bridged nose. belonging or pertaining to the subdivision of simians that comprises New World monkeys, characterized by noses flatter than those of other simians and with widely separated, side-facing nostrils.

What do platyrrhines include?

Platyrrhines include marmosets, tamarins, capuchins, squirrel monkeys, owl monkeys, titis, sakis, uakaris, woolly monkeys, etc. They are small to mid-sized primates. The pygmy marmoset is considered as the world’s smallest monkey.

Are humans catarrhine or platyrrhine?

Moreover, platyrrhines include New World monkeys, while catarrhines include Old World monkeys, apes, and humans.

Are humans Strepsirrhines or haplorhines?

The lower primates or strepsirhines (suborder Strepsirhini) include lemurs, bush babies, lorises; the higher primates or haplorhines (suborder Haplorhini) include the tarsiers, Old and New World monkeys, apes and humans. Strepsirhines have moist noses; haplorhines have simple, dry noses.

Are humans Cercopithecoidea?

This would leave humans in their own family, the Hominidae.…

Haplorrhini (haplorrhines: primates with dry noses)

Catarrhini (Old World monkeys, apes and humans)

Cercopithecoidea (Old World monkeys)

guenons, vervets, baboons, macaques, etc.

Are humans considered catarrhines?

Catarrhines include gibbons, orangutans, gorillas, chimpanzees, and humans. Two superfamilies that make up the parvorder Catarrhini are Cercopithecoidea (Old World monkeys) and Hominoidea (apes).

Is a spider monkey a Platyrrhine?

Prehensility has evolved at least two distinct times in platyrrhines, in the Atelidae family (spider monkeys, wooly spider monkeys, howler monkeys, and wooly monkeys), and in capuchin monkeys (Cebus).

Is a lemur a Platyrrhine?

There are three major surviving radiations – lemurs and lorises (strepsirhines) and Old World monkeys and apes (catarrhines) occur in Africa and Asia, and New World monkeys (platyrrhines) live in Central and South America – but many species are now threatened with extinction and the fourth radiation consists of only …

Which is a Platyrrhine?

Medical Definition of platyrrhine

(Entry 1 of 2) 1 : of, relating to, or being any of a division (Platyrrhina) of arboreal New World monkeys characterized by a broad nasal septum, usually 36 teeth, and often a prehensile tail. 2 : having a short broad nose. platyrrhine. noun.

Is a capuchin monkey A Platyrrhine?

Cebus apella, the tufted capuchin, is a South American or New World monkey. South American monkeys or platyrrhines comprise one of the two infraorders (Platyrrhini and Catarrhini) of anthropoid primates.

What kind of nose do lemurs have?

Many lemur species have a snout, and all have a wet and hairless nose with curved nostrils, which is unique among primates and makes them superior sniffers.

How can you tell the difference between platyrrhines and catarrhines?

Catarrhines and platyrrhines are distinguished by the shape of their nostrils. Catarrhines have narrow downward facing nostrils, while platyrrhines have broad, flat, sideways facing nostrils.

What traits do platyrrhines have?

Platyrrhines are primates belonging to the parvorder Platyrrhini. They are characterized by having a broad, flat nose and with sideways-facing nostrils. They have prehensile tails, which are long, grasping tails. They have twelve premolars (as opposed to the eight premolars in catarrhine primates).

What are the characteristics of Catarrhine monkeys?

They are characterized by having a narrow nose. Their nostrils are close together as opposed to platyrrhines that have a flat-bridged nose. Other distinctive features include having flat fingernails and toenails, eight instead of 12 premolars, and lacking prehensile tails.

Why are they called New World monkeys?

They are called so because they occupy different geographical hemispheres. Africa, Europe and Asian continents are considered as Old World and monkeys of these geographical regions are named as Old World Monkeys. The North and South Americas are considered as New World as they were advented later than Old World.

What is considered a New World monkey?

The New World monkeys are a diverse group of small to medium sized arboreal primates. They inhabit a wide range of forest habitats, from Mexico to Argentina. The formal term for the taxonomic group containing all the New World Monkeys (NWMs) is Platyrrhini.

Which primates are Platyrrhine?

Platyrrhines include marmosets, tamarins, capuchins, squirrel monkeys, owl monkeys, titis, sakis, uakaris, woolly monkeys, etc. They are small to mid-sized primates.

What do all catarrhines have?

They are characterized by having a narrow nose. Their nostrils are close together as opposed to platyrrhines that have a flat-bridged nose. Other distinctive features include having flat fingernails and toenails, eight instead of 12 premolars, and lacking prehensile tails.

What do primates include?

A primate is any mammal of the group that includes lemurs, lorises, tarsiers, monkeys, apes, and humans. The order Primates, with its 300 or more species, is the third most diverse order of mammals, after rodents and bats.