🐾 A placental mammal 🐾 Placental mammals

eutherian

9.9

A mammal that has a placenta and gives birth to developed young

noun
/juːˈθɪəriən/

Specialized

: mamífero euterio

Elephants are examples of eutherians because they develop their young in the womb with the help of a placenta.

Examples

Marsupials give birth at a much earlier developmental stage than most eutherians and have only a short-lived chorio-vitelline placenta.

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It looks like the first eutherians had discoid placentas.
IGF2 was the first imprinted gene identified in both eutherians and marsupials 45, 46.

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Unlike marsupials, which give birth to very immature young, most eutherians are born at a more developed stage.
Dogs and cats are common household pets that are classified as eutherians due to their placental reproduction.

Synonyms

placental mammal

vseutherian

Specialized

1 4.9

A warm-blooded animal that has a placenta to feed its unborn young

means the same group but uses a slightly different compound form

eutherian mammal

vseutherian

Specialized

8.4

A mammal that has a placenta and nourishes its young before birth

has identical meaning but uses an alternative scientific phrasing

placental

vseutherian

Specialized

8.7

A mammal that has a placenta and feeds its young before birth

is identical in sense but is more commonly used as a modifier

Compounds

eutherian mammal

Specialized

8.4

A mammal that has a placenta and nourishes its young before birth

Surface Forms

eutherian singular

eutherians plural

Morphology

eutherian = Eutheria (opaque) = Eutheria + an

Derived by nominalizing the taxon name with '-an', but understanding that it denotes a member of the clade requires specialized biological knowledge.

Etymology

Eutherian comes from the Greek parts eu- meaning 'true' or 'good' and therion meaning 'beast' or 'animal'. So, a eutherian is a 'true' mammal — one of the animals with a placenta that feeds the baby inside the mother until it is born well developed.