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古脊椎动物学报 ›› 1995, Vol. 33 ›› Issue (02): 138-159.

• 古脊椎动物学报 • 上一篇    下一篇

湖北早始新世爪兽新发现及其意义

王原   

  • 出版日期:1995-06-15 发布日期:1995-06-15

A NEW PRIMITIVE CHALICOTHERE (PERISSODACTYLA, MAMMALIA) FROM THE EARLY EOCENE OF HUBEI, CHINA

Wang Yuan   

  • Published:1995-06-15 Online:1995-06-15

摘要: 文章描述了中国湖北李官桥盆地早始新世一奇蹄类新材料,建立了一个新属新种:秉志丹江兽(Danjiangia pingi gen. et sp. nov.),经过系统分析将其归入了爪兽类群。秉志丹江兽是迄今发现的时代最早的爪兽。该文对爪兽的早期形态演化、爪兽类与古马类可能存在的亲缘关系以及爪兽类的起源等问题也进行了探讨。

Abstract: A new material of perissodactyl represented by a crushed skull and the same individual's pair of mandibles (both lost their posterior parts) is described in this paper. The specimen was collected in 1992 by Dr. Wang Yuanqing of IV PP from the late Early Eocene of Danjiangkou, Hubei, China. This new material, Daniiangia pingi gen. et SP. nov., is here referred to Chalicotherioidea and recognized as the earliest known chalicothere. Several relevant issues, such as the early character evolution of chalicothere group, the possible close relationship between chalicothere and palaeothere group and the origin of chalicotheres, will also be tentatively discussed in the present paper.