三趾马属
Multi tool use
三趾马
化石時期： 中新世中期至更新世[1]23–0.781 Ma
PreЄ
Є
O
S
D
C
P
T
J
K
Pg
N
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三趾马想象图
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保护状况
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绝灭（化石）
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科學分類
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界：
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动物界 Animalia
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門：
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脊索动物门 Chordata
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綱：
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哺乳纲 Mammalia
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目：
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奇蹄目 Perissodactyla
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科：
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马科 Equidae
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屬：
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三趾马属 Hipparion
De Christol, 1832
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种
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- H. concudense
- H. dietrichi
- H. fissurae
- H. forcei
- H. laromae
- H. lufengense
- H. molayanense
- H. phlegrae
- H. prostylum
- H. sellardsi
- H. shirleyae
- H. tehonense
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三趾马为哺乳类动物奇蹄目马科进化史上的一个已绝灭的旁支，生存于中新世中期至更新世，距今约2300万年至78.1万年前，曾经广泛分布于北美洲、亚洲、欧洲和非洲，栖息地包括无林区、草原、矮草草原和干草原等。三趾马体型比现代马小，主要特征包括颊齿高冠型、上颊齿原尖孤立和每肢三趾，尤其是留有已退化、不触地的外脚趾，肩高约1.4米[1]。
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参考文献
^ 1.01.1 Palmer, D. (编). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. 1999: 257. ISBN 1-84028-152-9.
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维基共享资源中相关的多媒体资源：三趾马属
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