Here is a list of traits from least specific to most specific regarding sugargliders.
Kingdom
Animalia
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Has cellular characteristics such as DNA inside a nucleus
Subkingdom
Metazoa
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Utilizes an extracellular matrix or ECM
Phylum
Chordata*
*Some traits in Chordata are only prenatal
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Has gill-like structures called pharyngeal slits
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Has a dorsal nerve cord
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Has a notochord
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Has a tail
Class
Mammalia
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Body hair covers the body
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Lungs are used to breathe
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Newborns ingest milk from the mother ( with a few exceptions )
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Warm-blooded
SubClass
Theria
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Offspring do not hatch from eggs
InfraClass
Metatheria
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Offspring are not born with a true placenta, it is less developed
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Offspring are not well developed at birth
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Offspring are born into a marsupium (a pouch inside the belly of the mother)
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Bifid reproductive organs
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More teeth are present than in placental animals
Order
Marsupialia
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280 species where traits are not completely agreed upon among experts
Family
Petauridae
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Arboreal ( live in trees )
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Most are native to Australia and surrounding lands
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Specific characteristics in genetic material and blood composition
Genus
Petaurus
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Other species: Breviceps, Norfolcensis, Abidi, Gracilis, Biancensis and Australis
Species
Breviceps