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Strange fossil, can anyone identify?


Lioness

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Moved topic to Fossil ID

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20 minutes ago, Rockwood said:

Steinkern from a brachiopod.

or maybe a bivalve ?

Brachiopod; the individual valves are left-right symmetrical, and different from each other.

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

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19 minutes ago, Auspex said:

Brachiopod; the individual valves are left-right symmetrical, and different from each other.

Between this site and searching for bearings to fit a horse drawn (originally) sickle mower my spacial recognition neurons have about had it.

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3 minutes ago, jpc said:

I am with auspex... looks like a very worn brahiopod steinkern.  

So I was seeing it right. :wacko:

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4 minutes ago, Rockwood said:

So I was seeing it right. :wacko:

well... only if you think we might be right.  For my part, I would bet on educated guess rather than right. 

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1 hour ago, jpc said:

well... only if you think we might be right.  For my part, I would bet on educated guess rather than right. 

It's totally different from Brachiopod.

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45 minutes ago, Lioness said:

It's totally different from Brachiopod.

Are you comparing it to images of the shell ?

Steinkerns are a cast of the inside of the shell.

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36 minutes ago, jpc said:

well... only if you think we might be right.  For my part, I would bet on educated guess rather than right. 

:popcorn:

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10 minutes ago, Rockwood said:

Are you comparing it to images of the shell ?

Steinkerns are a cast of the inside of the shell.

I understand that. But no one brachiopod Steinkern have a middle line. they have look a like side lines, but not a middle line.

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3 minutes ago, Lioness said:

But no one brachiopod Steinkern have a middle line.

They all have a line. It's where the two valves meet.

A line shaped like this I have to admit is a better question though.

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  • Fossildude19 changed the title to Strange fossil, can anyone identify?

Look at the section of the specimen circled the exposed area looks more like an internal bone structure.

If this was a steinkern the inner infill material would be uniform with the external material.

Looks like a modern hyperostosic bone from a fish.

 

Mike

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On 2/11/2019 at 6:54 PM, Mike from North Queensland said:

If this was a steinkern the inner infill material would be uniform with the external material.

Not if the inside was filled with soluble or otherwise mobile material after the initial burial. 

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Was it a surface find?
How large is the specimen?
Does it float in saltwater?
Does react to HCl or vinegar?
Were there other fossil in the same location?
Try to determine its hardness.

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