Definition of Theria in English:

Theria

Syllabification: The·ria
Pronunciation: /ˈTHi(ə)rēə
 
/
Zoology
  • A major group of mammals that comprises the marsupials and placentals. Compare with Prototheria.
    • Subclass Theria, class Mammalia
    More example sentences
    • It is therefore puzzling that such adaptations appear to have a limited distribution within the Theria.

Origin

modern Latin (plural), from Greek thēria 'wild animals'.

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