‘Wiggly’ fossils found in Canada may be oldest known sign of animal life
by Ian Sample Science editor from Science | The Guardian on (#5MP8M)
Scientists believe the unusual tubular structures may be the remnants of prehistoric sponges
Intricate patterns of tubular structures discovered in giant ancient reefs may be the remnants of prehistoric horny sponges and the oldest known fossils of animal life on Earth.
Researchers found the unusual features in vast reefs that were built by bacteria 890m years ago and then pushed up by geological processes to form part of the Mackenzie Mountains in north-western Canada.
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