rhynchosaurn.

Brit.

/ˈrɪŋkə(ʊ)sɔː/, U.S.

/ˈrɪŋkəˌsɔr/

Forms: 1800s– rhynchosaur, 1800s– rhyncosaur.

Origin: Formed within English, by compounding. Etymons: rhyncho- comb. form, -saur comb. form.

Etymology: < rhyncho- comb. form + -saur comb. form, after Rhynchosaurus n.

Palaeontology.

Any of various extinct diapsid reptiles of the family Rhynchosauridae or order Rhynchosauria (infraclass Archosauromorpha), comprising heavily-built herbivorous forms with tusks and powerful beaks, known from fossil remains of the Triassic period.The rhynchosaurs were formerly included among the rhynchocephalians but the two groups are now placed in different infraclasses.

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rhynchosaur1842

Rhynchosaurus1842

rhynchosaurian1861

1842 R. Owen in Rep. 11th Meeting Brit. Assoc. Advancem. Sci. 1841 147 The base of the spinous process in the Rhynchosaur is broadest behind.

1863 J. D. Dana Man. Geol. 501 The Rhynchosaur of the Trias, which combined the characteristics of the Saurian with the bill, and partly the skull, of a Turtle.

1912 Science 16 Aug. 217/1 The time is not yet ripe to attempt phylogenies of the groups other than the dinosaurs, crocodiles, phytosaurs, pterosaurs and rhynchosaurs.

1969 Nature 13 Dec. 1059/1 The Middle Triassic fauna..contained abundant remains of a peculiar herbivorous group of reptiles, the rhynchosaurs, related to the living tuatara lizard Sphenodon.

2002 Sci. Amer. Feb. 61/2 (caption) The prosauropod teeth were spear-shaped and serrated—good for slicing vegetation; rhynchosaurs were perhaps the most common group of plant eaters in the area at the time.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rhynchosaur
释义	rhynchosaurn. Brit. /ˈrɪŋkə(ʊ)sɔː/, U.S. /ˈrɪŋkəˌsɔr/ Forms: 1800s– rhynchosaur, 1800s– rhyncosaur. Origin: Formed within English, by compounding. Etymons: rhyncho- comb. form, -saur comb. form. Etymology: < rhyncho- comb. form + -saur comb. form, after Rhynchosaurus n. Palaeontology. Any of various extinct diapsid reptiles of the family Rhynchosauridae or order Rhynchosauria (infraclass Archosauromorpha), comprising heavily-built herbivorous forms with tusks and powerful beaks, known from fossil remains of the Triassic period.The rhynchosaurs were formerly included among the rhynchocephalians but the two groups are now placed in different infraclasses. ΘΚΠ the world > animals > reptiles > extinct reptiles and dinosaurs > [noun] > rhynchosaurus rhynchosaur1842 Rhynchosaurus1842 rhynchosaurian1861 1842 R. Owen in Rep. 11th Meeting Brit. Assoc. Advancem. Sci. 1841 147 The base of the spinous process in the Rhynchosaur is broadest behind. 1863 J. D. Dana Man. Geol. 501 The Rhynchosaur of the Trias, which combined the characteristics of the Saurian with the bill, and partly the skull, of a Turtle. 1912 Science 16 Aug. 217/1 The time is not yet ripe to attempt phylogenies of the groups other than the dinosaurs, crocodiles, phytosaurs, pterosaurs and rhynchosaurs. 1969 Nature 13 Dec. 1059/1 The Middle Triassic fauna..contained abundant remains of a peculiar herbivorous group of reptiles, the rhynchosaurs, related to the living tuatara lizard Sphenodon. 2002 Sci. Amer. Feb. 61/2 (caption) The prosauropod teeth were spear-shaped and serrated—good for slicing vegetation; rhynchosaurs were perhaps the most common group of plant eaters in the area at the time. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1842
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