<h2>Theria</h2>

<p>
Theria (/ˈθɪəriə/; Greek: θηρίον, wild beast) is a subclass of mammals that give birth to live young without using a shelled egg, 
consisting of the eutherians (including the placental mammals) and the metatherians (including the marsupials). The only omitted extant mammal group is the egg-laying monotremes.
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