Batty Posted April 12, 2013 Share Posted April 12, 2013 From the cliffs, large colonies of tubes that suspect are early sea worms. Link to comment Share on other sites More sharing options...
FossilDAWG Posted April 12, 2013 Share Posted April 12, 2013 What is the size of these "worms" (diameter, length)? You should keep in mind that lots and lots of organisms other than "worms" made tubular burrows that can be preserved as trace fossils. For example, many bivalves and arthropods will make burrows like this. Sometimes you can find body fossils of the burrow makers, but most often not. Do you know the age of these rocks? The specific formation? I assume they are especially old, as you say these are early sea worms. Don Link to comment Share on other sites More sharing options...
Batty Posted April 12, 2013 Author Share Posted April 12, 2013 From the small Shelly fossils I have found .5km away I would say these cliffs are Cambrian , early or middle I'm not sure. The size varies from 15cms to 40 cms. I will try and retrieve a few when I'm there next weekend. There are pics of some that I couldn't get my thumb and forefinger around and some are not hollow. I will keep you posted. Link to comment Share on other sites More sharing options...
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