三趾马属














 

如何讀生物分類框
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









三趾马想象图
三趾马想象图


保护状况


绝灭（化石）


科學分類


























界：
动物界 Animalia
門：
脊索动物门 Chordata
綱：
哺乳纲 Mammalia
目：
奇蹄目 Perissodactyla
科：
马科 Equidae
屬：
三趾马属 Hipparion
De Christol, 1832

种


  • H. concudense

  • H. dietrichi

  • H. fissurae

  • H. forcei

  • H. laromae

  • H. lufengense

  • H. molayanense

  • H. phlegrae

  • H. prostylum

  • H. sellardsi

  • H. shirleyae

  • H. tehonense



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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中新世三趾马化石，出土于中国甘肃，海宁博物馆藏 




三趾马化石脚趾部分 



参考文献





  1. ^ 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. 







维基共享资源中相关的多媒体资源：三趾马属



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