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Crinoid stems or something else?


Joe_17

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My fiance' found this in a pile of river gravel. Shes trying to find out if it's a crinoid stem, or a piece of a crinoid or possibly something else. Found in New Haven Missouri .

IMG_0690.JPG

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Welcome to the forum.

 

It's not a crinoid. I believe that may be a graptolite, but I'm not an expert, so wait for a few others to respond. 

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Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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It would help to know the size of this specimen.

 

 

Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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7 minutes ago, TqB said:

It has an echinoderm feel - is it right that I'm seeing it as an impression? Possibly of part of a blastoid, like this Globoblastus (from https://timescavengers.blog/paleo-live/our-research-explained/):

It does look possible -- in which case it is part of a crinoid.

 

 

Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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1 minute ago, Mark Kmiecik said:

It does look possible -- in which case it is part of a crinoid.

Blastoids aren't crinoids, though related. I agree size would be useful!

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Tarquin

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15 minutes ago, TqB said:

Blastoids aren't crinoids, though related. I agree size would be useful!

I always thought they were the "head" of a crinoid. Now I did a bit of research only to find I've been confused for the last 55 years. Well, at least I learned something new today. Makes me wonder how many other misconceptions I have formed over the years.

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Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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maybe a cross section of crinoid stem?

"Absence of evidence is not evidence of absence"_ Carl Sagen

No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go.

" I think, therefore I collect fossils." _ Me

"When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes

"can't we all just get along?" Jack Nicholson from Mars Attacks

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IF it narrows towards one end, then maybe a cephalopod with the septal and siphuncle showing  as in this example:

 

The Craigleith Depot @CraigleithDepot 3 Aug 2018

DjtBglkVsAAiU7x.jpg
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My first impression was echinoid until I saw the age... but I think Tarquin has nailed it or pretty close.

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