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British Columbia's finest fossils

  • Aug 12, 2014
  • 319 words
  • 2 minutes
Bridge over Driftwood Creek at the start of an interpretive trail in Driftwood Canyon Provincial Park, B.C. Expand Image

When scientists recently discovered fossils of an extinct species of hedgehog and a prehistoric relative of today’s tapir in northern British Columbia’s Driftwood Canyon Provincial Park, it made headlines around the world.

The remains of the tiny hedgehog, Silvacola acares — a species previously unknown to science — and tapir, from the genus Heptodon, are, after all, 53 million to 50 million years old, and help fill in what Natalia Rybczynski, a research scientist with the Canadian Museum of Nature who was part of the team that discovered the fossils, has described as a significant geographical gap. “Within Canada, the only other fossil localities yielding mammals of similar age are from the Arctic,” said Rybczynski in a statement from the museum. Other fossils of this age come from Wyoming and Colorado, some 4,300 kilometres to the south of Ellesmere Island, the museum noted.

Expand Image
Fossil bed in Driftwood Canyon Provincial Park, B.C. (Photo: David Greenwood)

But finding ancient remains in Driftwood Canyon is not unusual — the park, which was established in 1967, is well known for its insect and fish fossils, including the world’s oldest specimens of salmon and trout.

About 50 million years ago, the canyon was a wetland of marshes and lakes that had a subtropical climate. When volcanic eruptions sent lava spilling into this ecosystem, plants and animals were trapped.

David Greenwood, a professor of environmental science at Manitoba’s Brandon University, was part of the team that discovered the hedgehog and tapir fossils, and says the volcanic deposits make it easy to extract fossils because a substance in the volcanic ash acted as a form of preservation.

Today, the park is recognized as one of Canada’s most significant fossil beds and provides visitors with a fascinating opportunity to understand what was happening both evolutionarily and geologically in the region millions of years ago. “The fossils are superb,” says Greenwood, “and the location is superb.”


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This story is from the October 2014 Issue

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