Ornithodelphian.

Brit.

/ˌɔːnᵻθə(ʊ)ˈdɛlfɪə/, U.S.

/ɔrˌnɪθoʊˈdɛlfiə/,

/ˈˌɔrnəθoʊˈdɛlfiə/

Origin: A borrowing from Latin. Etymon: Latin Ornithodelphia.

Etymology: < scientific Latin Ornithodelphia, subclass name (H. M. D. de Blainville) < ornitho- ornitho- comb. form + ancient Greek δελϕύς womb (see monodelph n.) + scientific Latin -ia -ia suffix², so named on account of the resemblance of the reproductive organs to those of birds. Compare French ornithodelphes (H. M. D. de Blainville, 1839). N.E.D. (1903) gives the pronunciation as (ǫɹnəiþode·lfiă) /ɔːnaɪθəʊˈdɛlfɪə/.

Zoology.

With plural agreement. A subclass or infraclass of mammals including the monotremes and sometimes also the extinct multituberculates. Cf. Prototheria n.

ΘΚΠ

the world > animals > mammals > group Implacenta > [noun] > group Prototheria or Monotremata

Monotremata1832

Ornithodelphia1864

Prototheria1880

1864 T. H. Huxley Lect. Compar. Anat. vi. 87 He [sc. M. de Blainville] divided them into ‘Ornithodelphes’, ‘Didelphes’, ‘Monodelphes’; or, as we might term them, Ornithodelphia, Didelphia, Monodelphia.

1870 Amer. Naturalist 3 607 These primary divisions, or subclasses, are the Ornithodelphia, containing only the genera Ornithorhynchus and Echidna; the Didelphia, or the Marsupials; and the Monodelphia, embracing all the rest of the orders of the class.

1871 T. H. Huxley Man. Anat. Vertebrated Animals iii. 114 The vertebræ are ossified, and (except in the Ornithodelphia) their centra have terminal epiphyses.

1879 A. R. Wallace Australasia iii. 57 The lowest group of mammals—the sub-class Ornithodelphia or Monotremata, consisting of two of the most remarkable animals on the globe.

1921 Biometrika 13 383 The fundamental differences we have noted between the Ornithodelphia and the Monodelphia, in particular the existence of the parafibula.

1991 R. M. Nowak Walker's Mammals of World (ed. 5) I. 1/1 The Prototheria comprise the extinct infraclass Eotheria and the infraclass Ornithodelphia with the orders Monotremata and Multituberculata.

Derivatives

ornithoˈdelphian adj. and n. rare

ΚΠ

1890 Cent. Dict. Ornithodelphian,..I. a... prototherian. II. n. A member of the Ornithodelphia.

1921 Biometrika 13 391 An ancestry of primitive ornithodelphian character which had a parafibula, or possibly a fibular crest.

1923 F. W. Jones Mammals S. Austral. i. In the case of the living animal, we are dealing with teeth which are in a very degenerate condition, and are..not necessarily typical of the dentition of the ancestral Ornithodelphian.

ornithoˈdelphic adj. rare

ΚΠ

1885 Cassell's Encycl. Dict. V. i Ornithodelphic.

1910 Science 8 Apr. 543/1 Of the Ornithodelphic Mammals and Sauropsida.

† ornithodelphid adj. Obsolete rare Apparently only attested in dictionaries or glossaries.

ΚΠ

1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. Ornithodelphid.

† ornithodelphous adj. Obsolete rare

ΘΚΠ

the world > animals > mammals > group Implacenta > [adjective] > relating to Prototheria or Monotremata

monotremous1826

monotrematous1832

monotremate1846

monotreme1865

monotremal1866

ornithodelphous1873

prototherian1880

1873 St. G. Mivart Lessons Elem. Anat. i. 18 The 3rd sub-class..is called Ornithodelphia, and the animals comprised within it are termed Ornithodelphous mammals.

1880 Proc. Royal Soc. 1879–80 30 163 The departure of the existing Marsupialia from the direct line by which the Mammalia have advanced from the ornithodelphous type.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).

单词	ornithodelphia
释义	Ornithodelphian. Brit. /ˌɔːnᵻθə(ʊ)ˈdɛlfɪə/, U.S. /ɔrˌnɪθoʊˈdɛlfiə/, /ˈˌɔrnəθoʊˈdɛlfiə/ Origin: A borrowing from Latin. Etymon: Latin Ornithodelphia. Etymology: < scientific Latin Ornithodelphia, subclass name (H. M. D. de Blainville) < ornitho- ornitho- comb. form + ancient Greek δελϕύς womb (see monodelph n.) + scientific Latin -ia -ia suffix², so named on account of the resemblance of the reproductive organs to those of birds. Compare French ornithodelphes (H. M. D. de Blainville, 1839). N.E.D. (1903) gives the pronunciation as (ǫɹnəiþode·lfiă) /ɔːnaɪθəʊˈdɛlfɪə/. Zoology. With plural agreement. A subclass or infraclass of mammals including the monotremes and sometimes also the extinct multituberculates. Cf. Prototheria n. ΘΚΠ the world > animals > mammals > group Implacenta > [noun] > group Prototheria or Monotremata Monotremata1832 Ornithodelphia1864 Prototheria1880 1864 T. H. Huxley Lect. Compar. Anat. vi. 87 He [sc. M. de Blainville] divided them into ‘Ornithodelphes’, ‘Didelphes’, ‘Monodelphes’; or, as we might term them, Ornithodelphia, Didelphia, Monodelphia. 1870 Amer. Naturalist 3 607 These primary divisions, or subclasses, are the Ornithodelphia, containing only the genera Ornithorhynchus and Echidna; the Didelphia, or the Marsupials; and the Monodelphia, embracing all the rest of the orders of the class. 1871 T. H. Huxley Man. Anat. Vertebrated Animals iii. 114 The vertebræ are ossified, and (except in the Ornithodelphia) their centra have terminal epiphyses. 1879 A. R. Wallace Australasia iii. 57 The lowest group of mammals—the sub-class Ornithodelphia or Monotremata, consisting of two of the most remarkable animals on the globe. 1921 Biometrika 13 383 The fundamental differences we have noted between the Ornithodelphia and the Monodelphia, in particular the existence of the parafibula. 1991 R. M. Nowak Walker's Mammals of World (ed. 5) I. 1/1 The Prototheria comprise the extinct infraclass Eotheria and the infraclass Ornithodelphia with the orders Monotremata and Multituberculata. Derivatives ornithoˈdelphian adj. and n. rare ΚΠ 1890 Cent. Dict. Ornithodelphian,..I. a... prototherian. II. n. A member of the Ornithodelphia. 1921 Biometrika 13 391 An ancestry of primitive ornithodelphian character which had a parafibula, or possibly a fibular crest. 1923 F. W. Jones Mammals S. Austral. i. In the case of the living animal, we are dealing with teeth which are in a very degenerate condition, and are..not necessarily typical of the dentition of the ancestral Ornithodelphian. ornithoˈdelphic adj. rare ΚΠ 1885 Cassell's Encycl. Dict. V. i Ornithodelphic. 1910 Science 8 Apr. 543/1 Of the Ornithodelphic Mammals and Sauropsida. † ornithodelphid adj. Obsolete rare Apparently only attested in dictionaries or glossaries. ΚΠ 1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. Ornithodelphid. † ornithodelphous adj. Obsolete rare ΘΚΠ the world > animals > mammals > group Implacenta > [adjective] > relating to Prototheria or Monotremata monotremous1826 monotrematous1832 monotremate1846 monotreme1865 monotremal1866 ornithodelphous1873 prototherian1880 1873 St. G. Mivart Lessons Elem. Anat. i. 18 The 3rd sub-class..is called Ornithodelphia, and the animals comprised within it are termed Ornithodelphous mammals. 1880 Proc. Royal Soc. 1879–80 30 163 The departure of the existing Marsupialia from the direct line by which the Mammalia have advanced from the ornithodelphous type. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1864
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