Pliohippusn.

Brit.

/ˌplʌɪə(ʊ)ˈhɪpəs/, U.S.

/ˌplaɪoʊˈhɪpəs/

Forms: 1800s Pleiohippus, 1800s– Pliohippus.

Origin: A borrowing from Latin. Etymon: Latin Pliohippus.

Etymology: < scientific Latin Pliohippus, genus name (O. C. Marsh 1874, in Amer. Jrnl. Sci. 107 252) < English plio- (in Pliocene adj. and n.) + ancient Greek ἵππος horse (see hippo- comb. form).

Palaeontology.

A genus of horses having a single toe on each foot (like modern horses), known from North American fossil remains of the Pliocene epoch, and thought to be the ancestor of modern horses; a fossil horse of this genus.

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

1874 O. C. Marsh in Amer. Jrnl. Sci. 107 252 The dental formula of Pliohippus is as follows.

1876 Times 7 Dec. In the recent strata was found the common horse; in the Pleiocene, the Pleiohippus and the Protohippus or Hipparion.

1927 F. B. Loomis in F. Mason Creation by Evol. 229 In their adaptation to life on plains in Miocene time the horses differentiated into three groups, the types of which are known as Pliohippus, Protohippus, and Hipparion.

1966 A. S. Romer Vertebr. Paleontol. (ed. 3) xxiii. 267/2 The major line of descent from Pliohippus..is that which led to the genus Equus, the living group of horselike animals.

1995 Current Anthropol. 36 213/1 The threefold increase in hominid brain size since the Pliocene is paralleled by a 3.2 times increase in brain size in equids (from 270 g in Pliohippus to 870 g in modern horse).

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	pliohippus
释义	Pliohippusn. Brit. /ˌplʌɪə(ʊ)ˈhɪpəs/, U.S. /ˌplaɪoʊˈhɪpəs/ Forms: 1800s Pleiohippus, 1800s– Pliohippus. Origin: A borrowing from Latin. Etymon: Latin Pliohippus. Etymology: < scientific Latin Pliohippus, genus name (O. C. Marsh 1874, in Amer. Jrnl. Sci. 107 252) < English plio- (in Pliocene adj. and n.) + ancient Greek ἵππος horse (see hippo- comb. form). Palaeontology. A genus of horses having a single toe on each foot (like modern horses), known from North American fossil remains of the Pliocene epoch, and thought to be the ancestor of modern horses; a fossil horse of this genus. 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 1874 O. C. Marsh in Amer. Jrnl. Sci. 107 252 The dental formula of Pliohippus is as follows. 1876 Times 7 Dec. In the recent strata was found the common horse; in the Pleiocene, the Pleiohippus and the Protohippus or Hipparion. 1927 F. B. Loomis in F. Mason Creation by Evol. 229 In their adaptation to life on plains in Miocene time the horses differentiated into three groups, the types of which are known as Pliohippus, Protohippus, and Hipparion. 1966 A. S. Romer Vertebr. Paleontol. (ed. 3) xxiii. 267/2 The major line of descent from Pliohippus..is that which led to the genus Equus, the living group of horselike animals. 1995 Current Anthropol. 36 213/1 The threefold increase in hominid brain size since the Pliocene is paralleled by a 3.2 times increase in brain size in equids (from 270 g in Pliohippus to 870 g in modern horse). This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1874
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