Placentalia ("Placentals") is ane o the three extant subdiveesions o the cless o ainimals Mammalia; the ither twa are Monotremata an Marsupialia.

Placental mammals
Temporal range: Paleocene-Holocene 66–present Ma
Suspectit, but nae confirmed, Cretaceous oreegin
Placentals o ilk super-order.
Scientific classification e
Kinrick: Animalia
Phylum: Chordata
Cless: Mammalia
Clade: Eutheria
Cohort: Placentalia
Owen, 1837
Subgroups