eutherian

/juˈθɪriən/
adjective
  1. Relating to or characteristic of the group of mammals that have a placenta and give birth to well-developed young.
    • Eutherian mammals are the most diverse group of mammals on Earth.
    • The eutherian reproductive system allows for longer fetal development inside the mother.
    • Scientists compared the skull of a marsupial with that of a eutherian mammal.
Synonyms
noun
  1. A mammal that gives birth to live young that have developed inside the mother's body, connected by a placenta; a placental mammal.
    • Humans, dogs, and whales are all eutherians.
    • Most of the mammals you see in a zoo are eutherians.
    • The fossil record shows that early eutherians lived alongside dinosaurs.
Antonyms
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