Geologist may have found 890-million-year-old sea sponges in ancient reefs of Canada's Mackenzie Mountains - ABC News
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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Geologist may have found 890-million-year-old sea sponges in
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New species of 'large' sea sponge discovered near Canada
The New Gresham Encyclopedia - Volume IV Part 1.
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The 890-million-year-old sponge fossil may be the oldest animal yet discovered - Arkeonews
