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Strangely patterned fossil


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DaredChance

Found this while at work so unfortunately this was the only picture I could snap since rock was too large to carry back at the time. This is the first time I've seen this pattern and shape in a fossil around here so I'm hoping someone knows what it is.

It's length was roughly 3-5 inches if thats of any help.

Screenshot_20210414-204747_Gallery.jpg

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GeschWhat

Very interesting! :popcorn:

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ClearLake

Welcome to the forum!  That is indeed an interesting find. I wish I had an answer for you at the moment but I can’t place that pattern right now even though I think I have seen it before. Do you know the age of the rocks?  And the brachiopod to the left is interesting as well. 

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deutscheben

That looks like the plant Calamites, a horsetail relative- from that and the brachiopod I would guess this is Pennsylvanian in age.

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Rockwood

I think this is a strange presentation of a rugose coral.

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westcoast
4 hours ago, Rockwood said:

I think this is a strange presentation of a rugose coral.

Thats what I was thinking..

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Fossildude19

I agree with Rugose coral and brachiopod. 

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Jackson g

Ditto for IDs being internal molds of a productid brach and a rugose coral. More than likely its weathered Burlington Formation chert. 

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Yes, its most likely amplexus, a very long rugose coral.

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ClearLake
1 hour ago, JimB88 said:

its most likely amplexus

Had to look that one up, very interesting.  I've learned something new for the day, I guess I can goof off the rest of the day!  :thumbsu:  Thanks  

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ParkerPaleo

I don't know the pattern but most of the rocks near Springfield are the Burlington Limestone, Mississippian age.

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hndmarshall
13 hours ago, deutscheben said:

That looks like the plant Calamites, a horsetail relative- from that and the brachiopod I would guess this is Pennsylvanian in age.

 

Checked around the net examining photo's and I too believe this is what it is

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Fossildude19
5 minutes ago, hndmarshall said:

 

Checked around the net examining photo's and I too believe this is what it is

 

Rugose coral makes more sense, being a marine environment, though. 

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Jackson g
41 minutes ago, hndmarshall said:

 

Checked around the net examining photo's and I too believe this is what it is

Heres an example I have in my car here, with a rugose coral, platyceras gastropod, and a productid brach. The looks may appear odd due to them being steinkerns. From the Burlington Formation of Henry County, MO.

20210415_134302.jpg

20210415_134316.jpg

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val horn

i was thinking crinoid/ crinoid head however it does look exactly like Jackon g"s .   Exactly like  so I guess that it what it is

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hndmarshall
On 4/15/2021 at 1:45 PM, Jackson g said:

Heres an example I have in my car here, with a rugose coral, platyceras gastropod, and a productid brach. The looks may appear odd due to them being steinkerns. From the Burlington Formation of Henry County, MO.

20210415_134302.jpg

20210415_134316.jpg

 

Yes I believe I see your point now....thank you

 

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