Back Theria AN وحشيات Arabic وحشيات ARZ Theria AST Vəhşi heyvanlar Azerbaijani وحشی حئیوانلار AZB Звяры Byelorussian Зьвяры BE-X-OLD Живородни бозайници Bulgarian থেরিয়া Bengali/Bangla
| Theria Temporal range:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Clade: | Tribosphenida |
| Subclass: | Theria Parker & Haswell, 1897[1] |
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Theria (/ˈθɪəriə/ or /ˈθɛriə/; from Ancient Greek θηρίον (thēríon) 'wild beast') is a subclass of mammals[2] amongst the Theriiformes. Theria includes the eutherians (including the placental mammals) and the metatherians (including the marsupials) but excludes the egg-laying monotremes and various extinct mammals evolving prior to the common ancestor of placentals and marsupials.
- ^ ITIS Standard Report Page: Theria
- ^ Myers, P.; R. Espinosa; C. S. Parr; T. Jones; G. S. Hammond & T. A. Dewey. "Subclass Theria". Animal Diversity Web.