期刊
REVIEW OF PALAEOBOTANY AND PALYNOLOGY
卷 211, 期 -, 页码 1-9出版社
ELSEVIER
DOI: 10.1016/j.revpalbo.2014.10.002
关键词
Gynocardia; Seeds; Upper Pliocene to lower Pleistocene; Arunachal Pradseh; Palaeoclimate; Palaeogeography
资金
- Department of Science and Technology, New Delhi
This paper reports the occurrence of leaf impressions along with carbonised seeds, resembling those of Gynocardia odorata Robert Brown, in the late Pliocene to early Pleistocene sediments of the Kimin Formation exposed around Itanagar in Arunachal Pradesh. The recovery of this species and other earlier-described evergreen taxa from the same formation, suggests the existence of tropical, warm and humid climatic conditions during the depositional period. The seeds are here described as a new species Gynocardia arunachalensis Khan, Spicer TEV et Bera, sp. nov. So far, the report provides the first ever fossil record of Gynocardia seeds. We also characterise the nature of dispersal of this species in the past. (C) 2014 Elsevier B.V. All rights reserved.
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