aetosaurn.

Brit.

/ˈiːtəsɔː/,

/eɪˈiːtəsɔː/, U.S.

/ˈidəˌsɔr/,

/eɪˈidəsɔr/

Forms: 1800s– aetosaur, 1900s aëtiosaur (irregular and rare), 1900s– aëtosaur.

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

Etymology: < scientific Latin Aëtosaurus, genus name (O. Fraas 1877, in Jahreshefte des Vereins f. Vaterl. Naturkunde Württemb. 33 iii. 12) < ancient Greek ἀετός eagle ( < the same Indo-European base as classical Latin avis bird (see aviary n.) + ancient Greek -ετός , suffix forming nouns) + scientific Latin -saurus -saur comb. form.The occasional form aëtiosaur probably represents a misprint (perhaps additionally influenced by association with aetio- in aetiology n. and related words) for aëtosaur; compare scientific Latin (rare) Aëtiosaurus (1899 or earlier), which shows a similar error.

Palaeontology.

Any reptile of the extinct order (or suborder) Aetosauria, known from fossil remains of the Triassic period, and comprising herbivorous diapsids that resembled heavily armoured crocodiles.

ΘΚΠ

the world > animals > reptiles > extinct reptiles and dinosaurs > [noun] > Sauria > member of order Thecodontia > other types of

aetosaur1893

1893 I. K. Funk et al. Standard Dict. Eng. Lang. I. at Aetosauria Aetosaur.

1904 Amer. Jrnl. Sci. 167 382 In the Aëtiosaur [sic] (Stegomus longipes)..we find a form whose stilted limbs and comparatively narrow body give it just the proportions one would suppose Batrachopus to have.

1974 Nature 8 Mar. 168/2 The thecodontian hand, known in phytosaurs, aetosaurs, [etc.]..was crocodile-like with five long digits.

1985 D. Norman Illustr. Encycl. Dinosaurs 186/2 In the early part of the late Triassic the first dinosaurs had caused the extinction of all the herbivorous mammal-like reptiles and a few other aberrant groups of herbivorous reptiles (e.g. rhynchosaurs and aëtosaurs).

2008 Nature 31 Jan. 510 (caption) The aetosaur, which lived more than 200 million years ago, was a reptile related to crocodiles and dinosaurs.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	aetosaur
释义	aetosaurn. Brit. /ˈiːtəsɔː/, /eɪˈiːtəsɔː/, U.S. /ˈidəˌsɔr/, /eɪˈidəsɔr/ Forms: 1800s– aetosaur, 1900s aëtiosaur (irregular and rare), 1900s– aëtosaur. Origin: A borrowing from Latin. Etymon: Latin Aëtosaurus. Etymology: < scientific Latin Aëtosaurus, genus name (O. Fraas 1877, in Jahreshefte des Vereins f. Vaterl. Naturkunde Württemb. 33 iii. 12) < ancient Greek ἀετός eagle ( < the same Indo-European base as classical Latin avis bird (see aviary n.) + ancient Greek -ετός , suffix forming nouns) + scientific Latin -saurus -saur comb. form.The occasional form aëtiosaur probably represents a misprint (perhaps additionally influenced by association with aetio- in aetiology n. and related words) for aëtosaur; compare scientific Latin (rare) Aëtiosaurus (1899 or earlier), which shows a similar error. Palaeontology. Any reptile of the extinct order (or suborder) Aetosauria, known from fossil remains of the Triassic period, and comprising herbivorous diapsids that resembled heavily armoured crocodiles. ΘΚΠ the world > animals > reptiles > extinct reptiles and dinosaurs > [noun] > Sauria > member of order Thecodontia > other types of aetosaur1893 1893 I. K. Funk et al. Standard Dict. Eng. Lang. I. at Aetosauria Aetosaur. 1904 Amer. Jrnl. Sci. 167 382 In the Aëtiosaur [sic] (Stegomus longipes)..we find a form whose stilted limbs and comparatively narrow body give it just the proportions one would suppose Batrachopus to have. 1974 Nature 8 Mar. 168/2 The thecodontian hand, known in phytosaurs, aetosaurs, [etc.]..was crocodile-like with five long digits. 1985 D. Norman Illustr. Encycl. Dinosaurs 186/2 In the early part of the late Triassic the first dinosaurs had caused the extinction of all the herbivorous mammal-like reptiles and a few other aberrant groups of herbivorous reptiles (e.g. rhynchosaurs and aëtosaurs). 2008 Nature 31 Jan. 510 (caption) The aetosaur, which lived more than 200 million years ago, was a reptile related to crocodiles and dinosaurs. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < n.1893
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