No mass extinction for land plants at the Permian-Triassic transition

被引：97
|
作者：
Nowak, Hendrik [1 ]
Schneebeli-Hermann, Elke [2 ]
Kustatscher, Evelyn [1 ,3 ,4 ]
机构：
[1] Museum Nat South Tyrol, Via Bottai 1, I-39100 Bolzano, Bolzano, Italy
[2] Palaontol Inst & Museum, Karl Schmid Str 4, CH-8006 Zurich, Switzerland
[3] Ludwig Maximilians Univ Munchen, Dept Geo & Umweltwissensch Palaontol & Geobiol, Richard Wagner Str 10, D-80333 Munich, Germany
[4] Bayer Staatssammlung Palaontol & Geol, Richard Wagner Str 10, D-80333 Munich, Germany
来源：
NATURE COMMUNICATIONS | 2019年 / 10卷 / 1期
关键词：
BOUNDARY EVENT; PALYNOLOGICAL RECORD; FUNGAL EVENT; KAROO BASIN; RECOVERY; DIVERSITY; LIFE; VEGETATION; ORIGINATION; POLLINATOR;
D O I：
10.1038/s41467-018-07945-w
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The most severe mass extinction among animals took place in the latest Permian (ca. 252 million years ago). Due to scarce and impoverished fossil floras from the earliest Triassic, the common perception has been that land plants likewise suffered a mass extinction, but doubts remained. Here we use global occurrence data of both plant macro- and microfossils to analyse plant biodiversity development across the Permian-Triassic boundary. We show that the plant fossil record is strongly biased and that evidence for a mass extinction among plants in the latest Permian is not robust. The taxonomic diversities of gymnosperm macrofossils and of the pollen produced by this group are particularly incongruent. Our results indicate that gymnosperm macrofossils are considerably undersampled for the Early Triassic, which creates the impression of increased gymnosperm extinction in the latest Permian.
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页数：8
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