promammaln.

Brit.

/prəʊˈmaml/, U.S.

/proʊˈmæm(ə)l/

Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: pro- prefix², mammal n.

Etymology: < pro- prefix² + mammal n., after scientific Latin Promammalia (see promammalian adj.). Compare slightly earlier promammalian adj.

Palaeontology and Zoology. Now rare.

A member of a group of (actual or hypothetical) animals representing the evolutionary ancestors of mammals, or the most primitive form of mammal.Cf. mammal-like reptile at mammal n. and adj.² Derivatives.

ΘΚΠ

the world > animals > mammals > [noun] > fossil or extinct

legh1774

thylacothere1838

anthracothere1848

anchithere1868

amblypod1877

Bramathere1879

multituberculate1888

promammal1889

tillodont1889

tinoceratid1895

uintathere1898

arsinoitherium1902

symmetrodont1933

synapsid1956

1876 E. Lankester tr. E. H. P. A. Haeckel Hist. Creat. II. xxi. 235 The unknown, extinct Primary Mammals, or Promammalia..probably possessed a very highly developed jaw.]

1889 Proc. Zool. Soc. 262 If not the ‘Promammal’ of Haeckel, it may perhaps have been a near relative of some such transitional form.

1898 Science 26 Feb. 176/2 Among these Permian reptiles of South Africa we find a remarkable assemblage of characters which comparative anatomy and paleontology have led us to anticipate in the hypothetical promammal.

1933 Science 13 Jan. 34/2 The South African cynodonts advanced so far towards the mammals that they ought to have been called pro-mammals, and they are only technically still within the upper limits of the reptilian class.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	promammal
释义	promammaln. Brit. /prəʊˈmaml/, U.S. /proʊˈmæm(ə)l/ Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: pro- prefix², mammal n. Etymology: < pro- prefix² + mammal n., after scientific Latin Promammalia (see promammalian adj.). Compare slightly earlier promammalian adj. Palaeontology and Zoology. Now rare. A member of a group of (actual or hypothetical) animals representing the evolutionary ancestors of mammals, or the most primitive form of mammal.Cf. mammal-like reptile at mammal n. and adj.² Derivatives. ΘΚΠ the world > animals > mammals > [noun] > fossil or extinct legh1774 thylacothere1838 anthracothere1848 anchithere1868 amblypod1877 Bramathere1879 multituberculate1888 promammal1889 tillodont1889 tinoceratid1895 uintathere1898 arsinoitherium1902 symmetrodont1933 synapsid1956 1876 E. Lankester tr. E. H. P. A. Haeckel Hist. Creat. II. xxi. 235 The unknown, extinct Primary Mammals, or Promammalia..probably possessed a very highly developed jaw.] 1889 Proc. Zool. Soc. 262 If not the ‘Promammal’ of Haeckel, it may perhaps have been a near relative of some such transitional form. 1898 Science 26 Feb. 176/2 Among these Permian reptiles of South Africa we find a remarkable assemblage of characters which comparative anatomy and paleontology have led us to anticipate in the hypothetical promammal. 1933 Science 13 Jan. 34/2 The South African cynodonts advanced so far towards the mammals that they ought to have been called pro-mammals, and they are only technically still within the upper limits of the reptilian class. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1889
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