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Articles on Fossil record

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The bodies of comb jellies like Mertensia ovum are soft, meaning they rarely fossilize. (Alexander Semenov)

Finding a rare fossilized comb jelly reveals new gaps in the fossil record

Fossilized comb jellies, or ctenophores, are rare because the creatures are almost completely soft-bodied. Rare fossil finds are helping us learn more about ancient animals and evolution.
A phytoplankton bloom stretching across the Barents Sea off the coast of mainland Europe’s most northern point. European Space Agency

Ocean ecosystems take two million years to recover after mass extinction – new research

Populations of plankton are in decline. If we push this critical foundation of the marine food chain to extinction, we could cripple ecosystems for millions of years.
When is bigger better? Willyam Bradberry/Shutterstock.com

Climate change created today’s large crocodiles

Paleontologists created an evolutionary map of how croc body size changed over the last 200 million years – with some interesting implications for today’s species.

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