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| New Evidence for Pre-Cambrian Devel-opment of Complex Animals | |
| 摘 要： | Much mystery surrounds the sudden and mush- rooming appearance of animals in the fossil record about 540 million years ago. Known as the “Cambrian explosion,” the change took place from zero evidence to all the basic types of creatures in today’s world… |
| 本文献已被 CNKI 等数据库收录！ | |