2026年4月6日 23:41 ET 发布 · 更新于 7 个月前 · 1 个来源
Scientists found a “lost world” of animals that shouldn’t exist yet
Science Daily
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原始报道
A remarkable fossil discovery in southwest China is rewriting the story of how complex animal life began, showing that many key animal groups appeared millions of years earlier than scientists once believed. Dating back over 540 million years, the fossils reveal a surprisingly diverse and advanced ecosystem from the late Ediacaran period—before the famous Cambrian explosion. Among the finds are early relatives of starfish, worm-like creatures, and even ancestors of animals with backbones, sugges
原文