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查谟-克什米尔地区查谟后西瓦立克沉积中的亚洲象化石

2011年第49卷 第3期: 348-361

发表日期:2011-08-12来源:放大 缩小

 

者:Yash Pal KUNDAL, Som Nath KUNDAL

摘要:描述了一件象属(Elephas)的右上臼齿化石。标本产自印度查谟紧靠上西瓦立克亚群巨砾岩组(Boulder Conglomerate Formation)之上的砂质、粉砂质泥岩夹砾石层中,化石地点位于查谟市南10 km, Kharian村北约500 m处。根据齿板数、齿脊频率、釉质层厚度、冠高指数、绝对大小和齿长/齿高指数等牙齿形态参数,暂时将之归为Elephas cf. E. maximus indicus。还简短讨论了象属的地理分布和地质时代。

关键词:查谟;中更新世;后西瓦立克沉积;哺乳动物纲,象科,Elephas cf. E. maximus indicus

卷期:49卷 03期

 

ELEPHAS cf. E. MAXIMUS INDICUS (ELEPHANTIDAE, MAMMALIA) FROM THE POST SIWALIK DEPOSITS OF JAMMU PROVINCE, JAMMU AND KASHMIR, INDIA

Yash Pal KUNDAL, Som Nath KUNDAL 


Abstract
 An upper right molar of Elephas is described from the sandy-silty mudstone containing small pebbles immediately overlying the Boulder Conglomerate Formation of the Upper Siwalik Subgroup of Jammu, exposed 500 m north of Kharian village and 10 km south of Jammu city. Based on the dental morphological parameters including plate number, lamellar frequency, enamel thickness, hypsodonty index, absolute size, length/width index it is tentatively referred to Elephas cf. E. maximus indicus. A brief discussion on distribution and age of this Elephas is also presented.
Key words  Jammu, India; Middle Pleistocene; Post Siwalik deposits; Elephas cf. E. maximus indicus, Elephantidae, Mammalia

 

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