单词 | eohippus |
释义 | > as lemmasEohippus Eohippus n. Brit. /ˌiːə(ʊ)ˈhɪpəs/ , U.S. /ˌioʊˈhɪpəs/ , /ˌiəˈhɪpəs/ [+ Greek ἵππος horse] the oldest known genus of the horse family.ΘΚΠ the world > animals > mammals > group Ungulata (hoofed) > family Equidae (general equines) > [noun] > extinct or prehistoric equines opeagha1776 hyracotherium1840 hipparion1856 Protohippus1870 Miohippus1874 Pliohippus1874 Mesohippus1875 Orohippus1877 Eohippus1879 1879 J. Le Conte Elements Geol. (new ed.) 504 Eohippus..a small animal no bigger than a fox, having three toes on the hind foot and four perfect ones on the fore foot. 1880 T. H. Huxley in Times 25 Dec. 4/1 I do not see..any reason to doubt that the eocene equidæ were preceded by mesozoic forms, which differed from eohippus in the same way as eohippus differs from equus. < as lemmas |
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