eutherian

eutherian [yoo-theer-ee-uh n] ExamplesWord Origin adjective

1. belonging or pertaining to the group Eutheria, comprising the placental mammals.

noun

2. a eutherian animal.

Origin of eutherian 1875–80; New Latin Eutheri(a) (Greek eu- eu- + thēría, plural of thēríon wild beast) + -an Examples from the Web for eutherian Historical Examples of eutherian

The number of teeth is 42—nearly the typical Eutherian number.

The Cambridge Natural History, Vol X., Mammalia

Frank Evers Beddard

The dentition is the complete Eutherian dentition of forty-four teeth.

The Cambridge Natural History, Vol X., Mammalia

Frank Evers Beddard

The early Eutherian stock consisted of small mammals with small heads and slender, long tails.

The Cambridge Natural History, Vol X., Mammalia

Frank Evers Beddard

The first was largely ineffective, the second has produced all the Eutherian orders of to-day.

The Cambridge Natural History, Vol X., Mammalia

Frank Evers Beddard

According to his showing, therefore, the preponderance of marsupial features are Eutherian.

The Cambridge Natural History, Vol X., Mammalia

Frank Evers Beddard

British Dictionary definitions for eutherian eutherian adjective

1. of, relating to, or belonging to the Eutheria, a subclass of mammals all of which have a placenta and reach an advanced state of development before birth. The group includes all mammals except monotremes and marsupials

noun

2. any eutherian mammal

Compare metatherian, prototherian Word Origin for eutherian C19: from New Latin Euthēria, from Greek eu- + thēria, plural of thērion beast