单词 | toxodon |
释义 | Toxodonn. Palaeontology. A genus of large extinct quadrupeds, having strongly curved molar teeth, whose remains are found in Pleistocene deposits in South America. ΘΚΠ the world > animals > mammals > group Unguiculata or clawed mammal > order Rodentia or rodent > [noun] > extinct Toxodon1837 1837 Owen in Proc. Geol. Soc. 2 542 So far as dental characters have weight, the Toxodon must be referred to the rodent order. 1839 G. Roberts Dict. Geol. Toxodon,..a gigantic quadruped, approaching, in character, to the pachydermata. 1849 Sketches Nat. Hist.: Mammalia III. 115 The molar teeth also were rootless, and curved, whence the name toxodon. 1859 C. Darwin Origin of Species x. 318 Remains of Mastodon, Megatherium, Toxodon and other extinct monsters. DerivativesCategories » ˈtoxodont adj. and n. (a) adj. belonging to or having the characters of the order Toxodonta, typified by this genus; (b) n. a quadruped of this order. This entry has not yet been fully updated (first published 1913; most recently modified version published online December 2019). < n.1837 |
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