First megafossil evidence of Cyatheaceous tree fern from the Indian Cenozoic

被引：13

作者：

Bera, Subir ^{[1
]}

Gupta, Sudha ^{[2
]}

Khan, Mahasin Ali ^{[1
]}

De, Aniruddha ^{[1
]}

Mukhopadhyay, Radhanath ^{[3
]}

机构：

[1] Univ Calcutta, Dept Bot, Ctr Adv Study, Kolkata 700019, W Bengal, India

[2] Univ Kalayni, Dept Bot, Nadia 741235, W Bengal, India

[3] Univ Burdwan, Dept Bot, Burdwan 713104, W Bengal, India

来源：

JOURNAL OF EARTH SYSTEM SCIENCE | 2014年 / 123卷 / 06期

关键词：

Cyathea siwalika; fern axis; leaf and root scars; Plio-Pleistocene; Arunachal Pradesh; UPPER SIWALIK SEDIMENTS; SP-NOV CYATHEACEAE; ARUNACHAL-PRADESH; KAMENG DISTRICT; KIMIN FORMATION; FOSSIL FERN; GEN; PHYLOGENY; FRUITS; ISLAND;

D O I：

10.1007/s12040-014-0460-x

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

A part of the compressed tree fern axis with leaf and adventitious root scars in unusual arrangement from Plio-Pleistocene sediments of Arunachal Pradesh, India is described as Cyathea siwalika sp. nov. This record suggests that Cyathea was an important component of tropical evergreen forest in the area during the Plio-Pleistocene and this group subsequently declined in importance within the local vegetation.

引用

页码：1433 / 1438

页数：6

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