eutheriann.adj.

Brit.

/juːˈθɪərɪən/, U.S.

/juˈθɪriən/

Etymology: < modern Latin Eutheria (T. N. Gill 1872, in Smithsonian Misc. Coll. XI. p. iii), < Greek εὐ- eu- comb. form + θηρία beasts.

Zoology.

A. n.

A member of the Eutheria, an infraclass which comprises the placental mammals.

ΘΚΠ

the world > animals > mammals > group Placentalia > [noun] > member of

placental1841

monodelph1842

Deciduata1866

monodelphian1873

deciduate1880

eutherian1880

placentary1890

1880 T. H. Huxley in Proc. Zool. Soc. 657 An undifferentiated Eutherian.

1895 R. Lydekker Royal Nat. Hist. III. 283 Mammals are divided into three primary groups or subclasses, viz.: 1. Eutherians, or Placentals... 2. Metatherians, or Implacentals, including the Pouched Mammals. 3. [etc.]

1950 J. Z. Young Life of Vertebr. xxi. 545 All the eutherians (placentals) have been derived from small, perhaps nocturnal, insectivorous or omnivorous animals.

B. adj.

Of or pertaining to this group.

ΚΠ

1880 T. H. Huxley in Proc. Zool. Soc. 658 Eutherian forms with deciduate placentation.

1969 L. H. Matthews Life of Mammals I. ix. 197 The introduction of European eutherian predators..have [sic] played havoc with the metatherian fauna of Australia.

This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2022).

单词	eutherian
释义	eutheriann.adj. Brit. /juːˈθɪərɪən/, U.S. /juˈθɪriən/ Etymology: < modern Latin Eutheria (T. N. Gill 1872, in Smithsonian Misc. Coll. XI. p. iii), < Greek εὐ- eu- comb. form + θηρία beasts. Zoology. A. n. A member of the Eutheria, an infraclass which comprises the placental mammals. ΘΚΠ the world > animals > mammals > group Placentalia > [noun] > member of placental1841 monodelph1842 Deciduata1866 monodelphian1873 deciduate1880 eutherian1880 placentary1890 1880 T. H. Huxley in Proc. Zool. Soc. 657 An undifferentiated Eutherian. 1895 R. Lydekker Royal Nat. Hist. III. 283 Mammals are divided into three primary groups or subclasses, viz.: 1. Eutherians, or Placentals... 2. Metatherians, or Implacentals, including the Pouched Mammals. 3. [etc.] 1950 J. Z. Young Life of Vertebr. xxi. 545 All the eutherians (placentals) have been derived from small, perhaps nocturnal, insectivorous or omnivorous animals. B. adj. Of or pertaining to this group. ΚΠ 1880 T. H. Huxley in Proc. Zool. Soc. 658 Eutherian forms with deciduate placentation. 1969 L. H. Matthews Life of Mammals I. ix. 197 The introduction of European eutherian predators..have [sic] played havoc with the metatherian fauna of Australia. This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2022). < n.adj.1880
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