BIOGEOCHEMISTRY Early animals out in the cold

被引：21

作者：

Brocks, Jochen J. ^{[1
,2
]}

Butterfield, Nicholas J. ^{[3
]}

机构：

[1] Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 0200, Australia

[2] Australian Natl Univ, Ctr Macroevolut & Macroecol, Canberra, ACT 0200, Australia

[3] Univ Cambridge, Dept Earth Sci, Cambridge CB2 3EQ, England

来源：

NATURE | 2009年 / 457卷 / 7230期

关键词：

PHYLOGENY; EVOLUTION; SPONGES; AGE;

D O I：

10.1038/457672a

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 enduring controversy about the appearance of animals in the evolutionary record takes a fresh twist with an analysis of molecular fossils that places the rise of the sponge lineage before 635 million years ago.

引用

页码：672 / 673

页数：2

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