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Brachiopod or Coral ? (SOLVED: Isotelus cephalon fragment )


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Dimitar
Posted (edited)

When  I found this small piece - I was sure it is a brachiopod...  But now after looking on many other things, I am sure it is not a brachiopod. I am thinking about the base of a coral.  Please help to identify it.

This should be Ordovician.

20210503_220723_HDR.jpg

N.1

 

20210503_220553_HDR.jpg

N.2

 

20210503_220446_HDR.jpg

N.3

 

20210503_220354_HDR.jpg

N.4

 

20210503_220331_HDR.jpg

N.5

 

20210503_220313_HDR.jpg

N.6

 

20210503_220430_HDR.jpg

N.7

 

Edited by Dimitar
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Dimitar
Posted (edited)

Here is the reason why I think this is a coral and not a brachiopod:

 

 

20210503_222929_HDR.jpg

N.8- as you may see - there are 3 layers: sedimental , mud; internal - coral structure; shell

 

20210503_223014_HDR.jpg

N.9 -  the 3 layers

 

20210503_223046_HDR.jpg

N.10 - you may see here the 3 layers: Left - the sediments, see fooor;  Midle - the core, the inside of floor : shell or the root of this animal.   Right - the shell. Here we se the seed or the base of this animal. The root.  

 

Edited by Dimitar
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Dimitar

This could be "Rafinesquina" (as Jeffrey P advised for my previous question)

I was suspecting this to be the a brachiopod.  So this still could be the bracheopod - but the lower part of it - attached to the see floor.

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Rockwood

I'm not sure. Do I spy a trilobite eye ?

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2 hours ago, Rockwood said:

I'm not sure. Do I spy a trilobite eye ?

I am inclined to agree with that possibility. I think I see terracing lines on the shell, and the "eye" may simple be sheared off the top. I would guess Isotelus cephalon fragment.

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Dimitar
Posted (edited)

You are absolutely right!

This is amazing head of a huge trilobite.

 

20210504_082045_HDR.jpg

frontal

 

20210504_075552_HDR.jpg

 

 

20210504_075933_HDR.jpg

the nose

 

20210504_082534_HDR.jpg

20210504_082614_HDR.jpg

right side

 

20210504_080033_HDR.jpg

from the top

 

from the top, more details

20210504_075948_HDR.jpg

Edited by Dimitar
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  • Dimitar changed the title to Brachiopod or Coral ? (SOLVED: Isotelus cephalon fragment )

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