Hedgehog and tapir fossils found in British Columbia
Hedgehog and tapir fossils found in British Columbia

Hedgehog and tapir fossils found in British Columbia

A University of Colorado Boulder-led team working in British Columbia has discovered a 52-million-year-old fossil remains of possibly the tiniest hedgehog species ever: Silvacola acares.

The hedgehog’s scientific name means “tiny forest dweller,” said CU-Boulder Associate Professor Jaelyn Eberle of the geological sciences department, lead author on the study. The creature – a new genus and species to science – was only about 2 inches long, roughly the length of an adult thumb.

A fellow forest dweller’s fossil was found with the animal: that of the tapir-like mammal Heptodon, which is about as big as a medium-sized dog. It too was located in Driftwood Canyon Provincial Park in Canada. Details of the pair are described in a paper published in the Journal of Vertebrate Palaeontology yesterday.

The fossil hunters from the University of Colorado Boulder view it as a very big find, even though the hedgehog is no bigger than your thumb. S acares is a new discovery, according to the lead author of the study, Prof Jaelyn Eberle of the university’s geological sciences department.

“It is quite tiny and comparable in size to some of today’s shrews,” she says.

It likely fed on insects, plants and maybe seeds, she suggests, but nothing much bigger, given the size of its jaws. The hedgehog would hardly have made a meal for the Heptodon, although it and its modern-day relatives are herbivores and would have passed up this particular snack.

The scientists are unable to say whether it had quills like hedgehogs found hiding under leaves and logs today.

“We can’t say for sure, but there are ancestral hedgehogs living in Europe about the same time that had bristly hair covering them, so it is plausible Silvacola did too,” says Prof Eberle.

Agencies/Canadajournal




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