| 释义 |
cynodont, n. and a.|ˈsaɪnəʊdɒnt|
[f. cyno- + Gr. ὀδούς, ὀδοντ- tooth. Cf. earlier dicynodont n. and a.]
A. n. An extinct mammal-like reptile of Triassic times with well-developed teeth specialized for chewing.
B. adj. Of, pertaining to, or designating this reptile.
1896Phil. Trans. R. Soc. B. CLXXXVI. 59 The Theriodontia include the Cynodontia, because the Cynodont genera were grouped in this way by Sir R. Owen. Ibid. 60 The specimen makes known the essential parts of the largest skeleton of a Cynodont, a group previously known only from small skulls allied to Galesaurus. 1907Trans. S. Afr. Philos. Soc. XVI. 376 ælurosuchus browni... The only previously described Cynodont which bears much resemblance to it is the type of Microgomphodon oligocynus. 1933A. S. Romer Vertebr. Paleont. xi. 235 The posterior, or cheek, teeth of cynodonts varied widely. 1966E. Palmer Plains of Camdeboo vi. 105 A number of small Cynodonts or ‘Dog-Tooths’ with mammal-like jaws and teeth. 1977A. Hallam Planet Earth 278/1 Some large Triassic cynodonts developed wide, peg-like cheek teeth. 1985D. Norman Illustr. Encycl. Dinosaurs 36/2 In the early part of the Triassic, the thecodontians..lived alongside a very diverse fauna of herbivorous (dicynodont) and carnivorous (cynodont) mammal-like reptiles. Ibid. 186/3 The subsequent evolution of herbivorous dinosaurs to fill the niche vacated by the herbivorous cynodonts and dicynodonts. |