| 释义 |
aetosaur, n. Palaeont.|ˈiːtəʊsɔː(r)|
Also aëto- |eɪˈiːtəʊ-|.
[f. mod.L. genus name Aëtosaurus (coined by O. Fraas 1877, in Jahreshefte des Vereins f. Vaterl. Naturkunde Württemb. XXXIII. iii. 12), f. Gr. ἀετός eagle: see *-saur.]
Any member of the extinct suborder Aetosauria or family Aetosauridae, comprising predominantly herbivorous thecodont reptiles which resembled heavily armoured crocodiles.
1893in Funk's Stand. Dict. 1904Amer. Jrnl. Sci. CLXVII. 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. 1974Nature 8 Mar. 168/2 The thecodontian hand, known in phytosaurs, aetosaurs, [etc.]..was crocodile-like with five long digits. 1979A. Charig New Look at Dinosaurs xi. 101 Four other new groups of archosaurs had become firmly established by Late Triassic times. Two of these, the phytosaurs and the aetosaurs, are considered to be specialised suborders of the order Thecodontia, dying out at the end of the Triassic. 1985D. 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). |