MORPHOLOGICAL DISPARITY IN THE CAMBRIAN

被引：175

作者：

BRIGGS, DEG ^{[1
]}

FORTEY, RA ^{[1
]}

WILLS, MA ^{[1
]}

机构：

[1] NAT HIST MUSEUM,DEPT PALAEONTOL,LONDON SW7 5BD,ENGLAND

来源：

SCIENCE | 1992年 / 256卷 / 5064期

关键词：

D O I：

10.1126/science.256.5064.1670

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：

An analysis of the range of morphology among arthropods demonstrates that disparity among living arthropods is similar to that in Cambrian arthropods. The range of morphological design resulting from the Cambrian "explosion" has been overestimated, reflecting a tendency to separate as "problematic" taxa that cannot be accommodated in the classification on the basis of the living biota. Problematic taxa are largely an artifact of an inadequate taxonomy. Special evolutionary processes may not be necessary to explain the early radiation of the metazoans.

引用

页码：1670 / 1673

页数：4

共 25 条

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