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1678 Views 3 Replies Last post: Oct 11, 2011 3:56 PM by Hans RSS
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May 20, 2011 11:29 AM

2011-0839 Answered - Pachytheca? Pachytheca are strange round Devonian plants

I found these in Devonian strata (Lower? Old Red Sandstone) Feshwater East, Pembrokeshire.  I believe them to be Pachytheca but I can't find much info on this type of fossil and the explanations I have found seem to contradict each other.  Can anyone give me the up to date thinking on this one?

Also, most sources state that it is an independent vegetable organism, yet the layer in which the spheres are contained seems to have a semi-continuous blobby film of organic matter (I assume it's organic as it's mostly the same colour as the spheres, grey/black).

 

The hand specimen was just a loose bit of the outcrop, the layer of these fossils stretched for at least a metre

 

Rhys

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