Tag: avalon assembladge
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When Invertebrates Ruled the Planet: the Enigmatic Rangeomorphs
The Ediacaran period represents the earliest appearance of complex life. It’s a fascinating era with many puzzles. Chief among them are the Rangeomorphs, an enigmatic group of organisms that were ubiquitous in fossil assemblages over 580 mya, 40 million years before the “Cambrian explosion.”.