Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of placentalia is as below...

Placental :: Placental (a.) Of or pertaining to the Placentalia.

Implacentalia :: Implacentalia (n. pl.) A primary division of the Mammalia, including the monotremes and marsupials, in which no placenta is formed..

Placentalia :: Placentalia (n. pl.) A division of Mammalia including those that have a placenta, or all the orders above the marsupials..

Monodelphia :: Monodelphia (n. pl.) The group that includes all ordinary or placental mammals; the Placentalia. See Mammalia.

Placental :: Placental (n.) One of the Placentalia.

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