cambrian
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New Theory Suggests Hardy Tardigrades Evolved From Ancient Worms
Tardigrades. Water bears. Moss piglets. No matter their name, the microscopic invertebrates are notoriously tough, and now, a team of researchers studied the tardigrade’s ancestors to figure out how the animal evolved. The research team studied lobopodians, a group of extinct soft-bodied worms from the Cambrian Period, and modern tardigrades to determine which features of…
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Giant, Half-Billion-Year-Old Predator Fossil Pulled Out of Canadian Rockies
During the Cambrian Explosion over 500 million years ago, the oceans teemed with weird creatures that were busy redefining what life looked like on Earth. One of those creatures was just chiselled out of the Canadian mountains and is now one of the largest animals known from the time period.