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Theria

mammal subclass
Also known as: live-bearing mammal

Learn about this topic in these articles:

annotated classification

  • polar bear and cubs
    In mammal: Classification

    Subclass Theria (live-bearing mammals) Metatheria (marsupials) More than 330 species in 7 orders. Order Diprotodontia (kangaroos, koalas, wombats, possums, and kin)

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  • major vertebrate groups
    In vertebrate: Annotated classification

    Subclass Theria Mammary glands with nipples; functional teeth; oviducts partly fused; with or without a cloaca; uterus and vagina; viviparous.(Ed.) The classification of animals is presently in a state of flux. The classification presented here is traditional and conservative. Because traditional theories of taxonomy…

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