2010 Bill Stagnaro   cc-by-sa-3.0

Metatheria (Marsupial Mammals) is an infraclass of Mammal. There are 700 species of Marsupial Mammals, in 268 genera and 60 families. This infraclass has been around since the aptian age. It includes groups like Marsupials, Glasbiidae, and Pucadelphydae. They are omnivores. Reproduction is viviparous.

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EOL has data for 14 attributes, including: