Temporal range: Late JurassicHolocene,
Common vampire batTasmanian devilFox squirrelAardvarkHumpback whaleGiant armadilloVirginia opossumHumanTree pangolinColugoStar nosed molePlains zebraEastern grey kangarooNorthern elephant sealAfrican elephantElkGiant pandaBlack and rufous elephant shrewMammal Diversity (Theria).png
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Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Clade: Tribosphenida
Subclass: Theria
Parker & Haswell, 1897[1]

Theria (/ˈθɪəriə/; Greek: θηρίον theríon, 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.

  1. ^ ITIS Standard Report Page: Theria
  2. ^ Myers, P.; R. Espinosa; C. S. Parr; T. Jones; G. S. Hammond & T. A. Dewey. "Subclass Theria". Animal Diversity Web.

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