What was the nature and role of Normapolles angiosperms? A case study from the earliest Cenozoic of Eastern Europe
What was the nature and role of Normapolles angiosperms? A case study from the earliest Cenozoic of Eastern Europe
复制标题
Normapolles 被子植物的性质和作用是什么?
DOI:
10.1016/j.palaeo.2014.10.014
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
Daly R
中科院分区:
文献类型:
--
作者:
Daly R
The Normapolles were an extinct group of early angiosperms which dominated much of the northern hemisphere during the Cretaceous. Although a product of early angiosperm radiation, they persisted beyond the K–Pg boundary, representing a significant proportion of the earliest Palaeocene palynological assemblage recovered from the Boltysh meteorite crater in Ukraine. While it is likely that many forms represent an ancestral lineage to modern day Fagales, particularly the walnut family (Juglandaceae), clear trends in certain species indicate that separate ecological preferences relating to temperature existed amongst them. In the Boltysh record the most abundant taxa occur preferentially within the early Danian hyperthermal, indicating a warm environment. Allied to their co-association with pollen of modern affinity, this suggests that they were scrubby, sclerophyllous plants akin to those which thrive in winter-wet ecosystems today. During and subsequent to the recovery from the early Danian hyperthermal these species decline and are replaced by different types. The Boltysh record demonstrates that in the very earliest Cenozoic, the Normapolles were a considerably more resilient and complex group than they are often portrayed and potentially important palaeoecological indicators.
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DOI:
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发表时间:
1967
期刊:
影响因子:
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作者:
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DOI:
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1986
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1981
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DOI:
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发表时间:
1977
期刊:
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