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Eutheria Line breaks: Eu|theria
Pronunciation: /juːˈθɪərɪə/

Definition of Eutheria in English:

plural noun

A major group of mammals that comprises the placentals. Compare with Metatheria.
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'.

Definition of Eutheria in:
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