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Scandentia

Treeshrews
Temporal range: ?Middle Eocene – Recent
Anathana ellioti.jpg
Madras treeshrew (Anathana ellioti)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Eutheria
Superorder: Euarchontoglires
Order: Scandentia
Wagner, 1855
Families

The treeshrews (or tree shrews or banxrings) are small mammals native to the tropical forests of Southeast Asia. They make up the families Tupaiidae, the treeshrews, and Ptilocercidae, the pen-tailed treeshrew, and the entire order Scandentia. The 20 species are placed in five genera. Treeshrews have a higher brain to body mass ratio than any other mammals, including humans, but high ratios are not uncommon for animals weighing less than a kilogram.

Though called 'treeshrews', and despite having previously been classified in Insectivora, they are not true shrews, and not all species live in trees. Among other things, treeshrews eat Rafflesia fruit.

Among orders of mammals, treeshrews are closely related to primates, and have been used as an alternative to primates in experimental studies of myopia, psychosocial stress, and hepatitis.

Treeshrews are slender animals with long tails and soft, greyish to reddish-brown fur. The terrestrial species tend to be larger than the arboreal forms, and to have larger claws, which they use for digging up insect prey. They are omnivorous, feeding on insects, small vertebrates, fruit, and seeds. They have poorly developed canine teeth and unspecialised molars, with an overall dental formula of: 2.1.3.33.1.3.3


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Wikipedia

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