GEOGRAPHIC-VARIATION AND EPISODIC EVOLUTION IN AN ORDOVICIAN TRILOBITE

被引:23
作者
CISNE, JL
CHANDLEE, GO
RABE, BD
COHEN, JA
机构
[1] CORNELL UNIV, DIV BIOL SCI, ITHACA, NY 14853 USA
[2] CORNELL UNIV, DEPT AGRON, ITHACA, NY 14853 USA
关键词
D O I
10.1126/science.209.4459.925
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
引用
收藏
页码:925 / 927
页数:3
相关论文
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