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blackmoth

Paterina or Obolus

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blackmoth

This is found in North China's Henan Province, mid Cambrian rocks, together with Bailiella.

Obolus is much mentioned for this layer ( mostly very small, about 1mm) . This one is not only bigger, but also looks like a bit similar to some Paterina, to me.

 

bb9e1502d56a1e1c08e3d60a5afc2ee.jpg

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Scylla

Very nice fossil @Tidgy's Dad might know

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Tidgy's Dad

I agree, it looks more like Paterina to me, but I'm far from certain. 

It's very beautiful.:wub::brachiopod:

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blackmoth
16 hours ago, Tidgy's Dad said:

I agree, it looks more like Paterina to me, but I'm far from certain. 

It's very beautiful.:wub::brachiopod:

what I gathered from some literature, it matches obolus ( in North China's mid Cambrian rocks)  in that it is shiny with a luster of paint. and it is big (although the range of size given for obolus in these rocks is 3-8 mm, and this one is at least 9mm).  I wonder if the paint luster thing applies to Paterina as well ( I guess it does as the the Paterina in the region was IDed as Obolus originally) , but the size range given is only " up to 3mm". There are numerous small shells (up to 2mm) which is hard to ID without a SEM. This one stands up with its sheer size.

 

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Misha

That is an amazing brachiopod!

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blackmoth

could it also be an Acrothela, which is also mentioned for similar layers in other areas?

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