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单词 Toxodon
释义 Toxodon Palæont.|ˈtɒksədɒn|
[mod.L. (Owen, 1837), f. Gr. τόξον bow + ὀδούς, ὀδοντ- tooth: see quot. 1849.]
A genus of large extinct quadrupeds, having strongly curved molar teeth, whose remains are found in Pleistocene deposits in S. America. Hence ˈtoxodont, adj. belonging to or having the characters of the order Toxodonta, typified by this genus; n. a quadruped of this order.
1837Owen in Proc. Geol. Soc. II. 542 So far as dental characters have weight, the Toxodon must be referred to the rodent order.1839G. Roberts Dict. Geol., Toxodon,..a gigantic quadruped, approaching, in character, to the pachydermata.1849Sk. Nat. Hist., Mammalia III. 115 The molar teeth also were rootless, and curved, whence the name toxodon.1859Darwin Orig. Spec. xi. (1878) 294 Remains of Mastodon, Megatherium, Toxodon and other extinct monsters.
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