Definition of Eutheria in English:


Line breaks: Eu|theria
Pronunciation: /juːˈθɪərɪə


  • A major group of mammals that comprises the placentals. Compare with Metatheria.
    • Infraclass Eutheria, subclass Theria
    More example sentences
    • On the other hand, molecular data sets tend to support the sister-group relationship of Carnivora and Pholidota, usually with Xenarthra as basal for Eutheria.
    • Yet the teeth of deltatheroidans are of remarkably primitive construction; if they are related to marsupials, an extremely early divergence of Metatheria and Eutheria is implied.
    • Previous paleontological and molecular evidence has indicated that cetaceans and artiodactyls constitute a natural clade within the subclass Eutheria.


modern Latin (plural), from eu- 'well, prospering' + Greek thērion 'wild beast'.

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