placentalia


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Related to placentalia: Eutheria

Eu·the·ri·a

(yū-thē'rē-ă),
A subclass of mammals, excluding monotremes and marsupials, having a placenta through which the young are nourished.
[eu- + G. thērion, animal]

placentalia

An obsolete term for a subclass of mammals that nourish their young via a placenta, now designated as Eutheria.