Eutheria

Term: eutheria

Origin: Anc Greek

εὖ- / eu-(=prefix that meaning "well, good, easy, right)

+ θηρία/theria(=beast, wild animal) > θήρα/thera(=prey)

literally meaning “good beasts”

Coined

Eutheria was introduced by English Biologist Thomas Henry Huxley (1825 –1895) in 1880.

Definition:

Eutheria is a subclass of mammals that includes all placental mammals except monotremes and marsupials.