THE ANTARCTIC AUSTRALIAN RIFT-VALLEY - LATE CRETACEOUS CRADLE OF NORTHEASTERN AUSTRALASIAN RELICTS

被引：66

作者：

DETTMANN, ME ^{[1
]}

JARZEN, DM ^{[1
]}

机构：

[1] NATL MUSEUM NAT SCI,DIV PALEOBIOL,OTTAWA K1P 6P4,ONTARIO,CANADA

来源：

REVIEW OF PALAEOBOTANY AND PALYNOLOGY | 1990年 / 65卷 / 1-4期

关键词：

D O I：

10.1016/0034-6667(90)90064-P

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The montane vegetation of northeastern Australasia represents a modified sample of the late Cretaceous flora that fringed the embryonic Southern Ocean in the southern Australasian/Antarctic region. Beauprea, Knightia, Macadamia, Gevuina and/or Hicksbeachia (Proteasceae), Gunnera (Gunneraceae), Ilex (Aquifoliaceae), Winteraeae, Epacridaceae, Trimeniaceae, Nothofagus (brasii group), Araucariaceae, Podocorpus, Dacrydium and Dacrycarpus (Podocarpaceae) are confirmed in the Campanian-Maastrichtian pollen record of estuarine sediments in the Otway Basin, southeastern Australia. The primative angiosperms migrated there by individualistic routes after Early Cretaceous appearances in northern Gondwana and southern Laurasia; other taxa evolved in austral regions. Evidence is advanced for origin of Ilex, Beauprea, Knightia and Gevuina/Hicksbeachia in southern Australia/Antarctica during early phases (Late Cretaceous) of opening of the Southern Ocean. © 1990.

引用

页码：131 / 144

页数：14

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