Where are Platyrrhines found?
Platyrrhines, or New World Monkeys (NWM), are a diverse group of primates currently distributed in the Neotropical region from Mexico to Northern Argentina but excluding the Caribbean islands. They are all arboreal, but exhibit a wide spectrum of locomotor postures as well as body sizes (Fleagle 2013).
How did Platyrrhines get to S America?
More Than 30 Million Years Ago, Monkeys Rafted Across the Atlantic to South America. In a strange twist of evolutionary history, the ancestors of modern South American monkeys such as the capuchin and woolly monkeys first came to the New World by floating across the Atlantic Ocean on mats of vegetation and earth.
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. The pygmy marmoset is considered as the world’s smallest monkey.
What is the difference between catarrhine and Platyrrhine?
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. There are certain physical features that help set primates apart from other animals.
Are capuchins platyrrhines?
Capuchins have a relatively short, fur-covered, prehensile tail. They have short fingers and an opposable thumb and are the most dexterous platyrrhines.
Who is the biggest ape?
Gigantopithecus blacki: the largest ape.
What is the difference between a platyrrhine and a catarrhine?
What causes catarrhine?
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 the catarrhines include?
Catarrhines include gibbons, orangutans, gorillas, chimpanzees, and humans. Two superfamilies that make up the parvorder Catarrhini are Cercopithecoidea (Old World monkeys) and Hominoidea (apes).
Do haplorhines see in color?
Amongst the haplorhine (higher) primates, the catarrhines possess uniformly trichromatic colour vision, whereas most of the platyrrhine species exhibit polymorphic colour vision, with a variety of dichromatic and trichromatic phenotypes within the population.