Before sharks and whales ruled the seas as the biggest bad boys (and girls) of the sea, there were rangeomorphs, a bizarre plant-looking-animal-type … thing. They roamed the seas of Earth around 540 million years ago, absorbing nutrients drifting in the water.
Rangeomorphs were the biggest thing in the game — and had the shape-eshifting skills to make themselves as big or as small as they needed. That could range from a few millimeters up to a few meters. While that may not sound huge, th