Yorkshire's prehistoric past unearthed: Shark egg case among hoard of fossils discovered inside a disused mine tip Read more: http://www.dailymail.co.uk/sciencetech/article-2756404/Doncaster-original-home-JAWS-Shark-egg-case-hoard-fossils-unearthed-inside-disused-tip.

Yorkshire's prehistoric past - complete with swamps, a tropical rainforest and even sharks - has been revealed in enormous detail after scientists unearthed fossils in Doncaster.

As well as the 310 million-year-old shark egg case, several horseshoe crabs and some previously unrecorded seed pods were discovered at the disused Yorkshire Main Colliery in Edlington. 

Some of the fossilised plants and creatures may even be entirely new to science, claim experts

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