Geologist may have found 890-million-year-old sea sponges in

Two decades ago, geologist Elizabeth Turner set out to explore the ancient reefs locked away in the Mackenzie Mountains in Canada — and it seems she may have found an animal fossil dating back 890 million years.

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890-million-year-old sponges may be oldest animal fossils

Geologist may have found 890-million-year-old sea sponges in