Bernard DUPONT   cc-by-sa-2.0

Theria (Therians) is a class of mammals. There are 5972 species of Therians, in 1696 genera and 522 families. This class has been around since the rhaetian age. Reproduction is viviparous. They rely on arboreal (locomotion) to move around.

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EOL has data for 14 attributes, including: