This is micro-seaweed from 1 billion years ago! That makes it...

By: vivian on domingo, abril 05, 2020

This is micro-seaweed from 1 billion years ago! That makes it the oldest known seaweed fossil (the previous-oldest was about 800 million years old). Named Proterocladus antiquus, they are barely visible without a microscope, at just 2 millimeters in length. That’s roughly the size of a flea.

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