actinopterygianadj.n.

Brit.

/ˌaktɪˌnɒptəˈrɪdʒɪən/,

/ˌaktᵻnəʊtəˈrɪdʒɪən/, U.S.

/ˌæktəˌnɑptəˈrɪdʒ(i)ən/

Origin: Formed within English, by compounding; modelled on a Latin lexical item. Etymons: actino- comb. form, -pterygian comb. form.

Etymology: < actino- comb. form + -pterygian comb. form, after scientific Latin Actinopterygii (see note). Compare earlier acanthopterygian adj., crossopterygian adj. and n.The scientific Latin name Actinopteri was introduced by E. D. Cope in 1871 ( Trans. Amer. Philos. Soc. 14 449). This was later altered to Actinopterygii (attributed to E. F. Klein c1885) or Actinopterygia (as used by Cope from 1887). O.E.D. Suppl. (1972) gives the pronunciation as (æ:ktinoˌtĕri·dʒiăn) /ˌæktɪnəʊtəˈrɪdʒɪən/.

Zoology and Palaeontology.

A. adj.

Of or relating to the group Actinopterygii of bony fishes characterized by membranous fins supported by slender rays or spines.The group includes all extant bony fishes with the exception of coelacanths and lungfishes (sarcopterygians or lobe-finned fishes). It is now most often ranked as a class.

ΘΚΠ

the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > [adjective]

acanthopterygious1753

acanthopterygian1833

actinopterygian1890

1890 E. D. Cope in Amer. Naturalist 24 418 (caption) An actinopterygian fish from the Trias.

1902 Science 28 Mar. 514/2 The great modern actinopterygian types corresponding to Agassiz's ganoids.

1977 A. Hallam Planet Earth 240 (caption) An example of evolutionary trends in a group of animals is seen here in the evolution of actinopterygian fishes.

2004 P. C. J. Donoghue et al. in P. C. J. Donoghue & M. P. Smith Telling Evol. Time x. 209 The earliest actinopterygian remains are dated at 425 Ma.

B. n.

A fish of the group Actinopterygii; a ray-finned fish.

ΘΚΠ

the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > [noun] > member of

New York shiner1814

acanthopterygian1835

actinopterygian1897

ray-fin1945

1897 Amer. Naturalist 31 846 He [sc. Cope]..recognized seven orders, including the old ganoids after eliminating the Lepidosteids and Amiids, which were referred to the Actinopterygians.

1941 A. S. Romer in Geology 1888–1938 (Geol. Soc. Amer.) 113 The Jurassic had already yielded a considerable number of well-preserved actinopterygians.

1996 J. D. Archibald Dinosaur Extinction v. 88 Today, bony fishes—more correctly, the actinopterygians, or ray-finned fishes—include more than 20,000 species. This is almost half of the modern diversity of backboned animals.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).

单词	actinopterygian
释义	actinopterygianadj.n. Brit. /ˌaktɪˌnɒptəˈrɪdʒɪən/, /ˌaktᵻnəʊtəˈrɪdʒɪən/, U.S. /ˌæktəˌnɑptəˈrɪdʒ(i)ən/ Origin: Formed within English, by compounding; modelled on a Latin lexical item. Etymons: actino- comb. form, -pterygian comb. form. Etymology: < actino- comb. form + -pterygian comb. form, after scientific Latin Actinopterygii (see note). Compare earlier acanthopterygian adj., crossopterygian adj. and n.The scientific Latin name Actinopteri was introduced by E. D. Cope in 1871 ( Trans. Amer. Philos. Soc. 14 449). This was later altered to Actinopterygii (attributed to E. F. Klein c1885) or Actinopterygia (as used by Cope from 1887). O.E.D. Suppl. (1972) gives the pronunciation as (æ:ktinoˌtĕri·dʒiăn) /ˌæktɪnəʊtəˈrɪdʒɪən/. Zoology and Palaeontology. A. adj. Of or relating to the group Actinopterygii of bony fishes characterized by membranous fins supported by slender rays or spines.The group includes all extant bony fishes with the exception of coelacanths and lungfishes (sarcopterygians or lobe-finned fishes). It is now most often ranked as a class. ΘΚΠ the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > [adjective] acanthopterygious1753 acanthopterygian1833 actinopterygian1890 1890 E. D. Cope in Amer. Naturalist 24 418 (caption) An actinopterygian fish from the Trias. 1902 Science 28 Mar. 514/2 The great modern actinopterygian types corresponding to Agassiz's ganoids. 1977 A. Hallam Planet Earth 240 (caption) An example of evolutionary trends in a group of animals is seen here in the evolution of actinopterygian fishes. 2004 P. C. J. Donoghue et al. in P. C. J. Donoghue & M. P. Smith Telling Evol. Time x. 209 The earliest actinopterygian remains are dated at 425 Ma. B. n. A fish of the group Actinopterygii; a ray-finned fish. ΘΚΠ the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > [noun] > member of New York shiner1814 acanthopterygian1835 actinopterygian1897 ray-fin1945 1897 Amer. Naturalist 31 846 He [sc. Cope]..recognized seven orders, including the old ganoids after eliminating the Lepidosteids and Amiids, which were referred to the Actinopterygians. 1941 A. S. Romer in Geology 1888–1938 (Geol. Soc. Amer.) 113 The Jurassic had already yielded a considerable number of well-preserved actinopterygians. 1996 J. D. Archibald Dinosaur Extinction v. 88 Today, bony fishes—more correctly, the actinopterygians, or ray-finned fishes—include more than 20,000 species. This is almost half of the modern diversity of backboned animals. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). < adj.n.1890
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