gnathostomen.

/ˈneɪθəʊstəʊm/

Etymology: < German gnathostome (E. Haeckel Anthropogenie (1874) xviii. 432), < gnatho- comb. form + stoma n.

A member of the Gnathostomata, a superclass of vertebrates with fully developed upper and lower jaws. Also as adj., of or pertaining to this group.

ΘΚΠ

the world > animals > vertebrates > [noun] > Gnathostomata > member of

gnathostome1905

1905 J. McCabe tr. E. Haeckel Evol. Man II. xxi. 560 All the vertebrates or gnathostomes, from the fishes to man, descend from a common, extinct, fish-like ancestor.

1909 E. S. Goodrich in E. R. Lankester Treat. Zool. IX. 92 The Gnathostomes might be divided into the Ichthyomorpha (Pisces) and the Tetrapoda (Amphibia, Reptilia, Aves, Mammalia).

1933 A. S. Romer Vertebr. Paleontol. iii. 35 All possess jaws, structures indicating so great and significant an advance that these forms..are often spoken of as gnathostomes (‘jaw-mouthed’).

1936 H. V. Neal & H. W. Rand Compar. Anat. viii. 305 Gnathostome fishes have an immovable tongue.

1954 G. C. Kent Compar. Anat. Vertebr. iii. 48 Agnathons lack true jaws..; all other vertebrates, because they exhibit jaws, are gnathostomes.

Derivatives

gnathoˈstomous adj. (also gnatho'stomatous)

ΘΚΠ

the world > animals > vertebrates > [adjective] > relating to Gnathostomata or gnathostome

gnathostomous1889

1889 Cent. Dict. Gnathostomatous.

1908 W. H. Gaskell Orig. Vertebr. i. 60 From such gnathostomatous fishes the cyclostomes were supposed to have descended.

1968 R. Zangerl tr. B. Peyer Compar. Odontol. 30 The placoderms are all more or less clearly gnathostomous.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019).

单词	gnathostome
释义	gnathostomen. /ˈneɪθəʊstəʊm/ Etymology: < German gnathostome (E. Haeckel Anthropogenie (1874) xviii. 432), < gnatho- comb. form + stoma n. A member of the Gnathostomata, a superclass of vertebrates with fully developed upper and lower jaws. Also as adj., of or pertaining to this group. ΘΚΠ the world > animals > vertebrates > [noun] > Gnathostomata > member of gnathostome1905 1905 J. McCabe tr. E. Haeckel Evol. Man II. xxi. 560 All the vertebrates or gnathostomes, from the fishes to man, descend from a common, extinct, fish-like ancestor. 1909 E. S. Goodrich in E. R. Lankester Treat. Zool. IX. 92 The Gnathostomes might be divided into the Ichthyomorpha (Pisces) and the Tetrapoda (Amphibia, Reptilia, Aves, Mammalia). 1933 A. S. Romer Vertebr. Paleontol. iii. 35 All possess jaws, structures indicating so great and significant an advance that these forms..are often spoken of as gnathostomes (‘jaw-mouthed’). 1936 H. V. Neal & H. W. Rand Compar. Anat. viii. 305 Gnathostome fishes have an immovable tongue. 1954 G. C. Kent Compar. Anat. Vertebr. iii. 48 Agnathons lack true jaws..; all other vertebrates, because they exhibit jaws, are gnathostomes. Derivatives gnathoˈstomous adj. (also gnatho'stomatous) ΘΚΠ the world > animals > vertebrates > [adjective] > relating to Gnathostomata or gnathostome gnathostomous1889 1889 Cent. Dict. Gnathostomatous. 1908 W. H. Gaskell Orig. Vertebr. i. 60 From such gnathostomatous fishes the cyclostomes were supposed to have descended. 1968 R. Zangerl tr. B. Peyer Compar. Odontol. 30 The placoderms are all more or less clearly gnathostomous. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019). < n.1889
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