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1篇 您的检索式：作者名="BARRY A.THOMAS"

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		题名	作者	年代	出处	被引量
	1	OCCURRENCE OF EARLIEST CYCADS IN THE PERMIAN OF CHINA AND ITS BEARING ON THEIR EVOLUTION显示文摘Living cycads show a range of archaic features which suggest that they are primitive plants. They have a long fossil record, but this unfortunately consists largely of vegetative leaves. Very few reproductive organs are preserved as fossils. However,	高志峰 BARRY A.THOMAS	1989	Chinese Science Bulletin1989，34，9：	1

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