Complex Colonial Life Thrived During the Cambrian Explosion
The Missing Piece: How Ancient Bryozoans Are Rewriting the History of Life For decades, paleontologists have wrestled with a glaring hole in the story of evolution. During the “Cambrian Explosion”—a burst of biological innovation roughly 530 million years ago—nearly every major animal group burst onto the scene. Yet, one group remained conspicuously absent: the bryozoans. … Read more