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New finds from the Kansas River


JBkansas

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Found some interesting fossils with my wife and boys yesterday.

 

1. Guessing these are gastropod shells (all replaced with crystals)

20220522_103841.jpg

 

2. I think these may be crinoid stalk fragments

20220522_104124.jpg

 

3. Millions of sub millimeter round fossils (and brachiopod)

20220522_104242.jpg

 

Wife: I found a rock with the wavy sea fossil (bryozoan) and petrified wood.

Me: that doesn't make sense, oh, it's concrete. 

 

I guess Kansas has so many fossils we use them as filler

20220521_200113.jpg

 

4. Not sure what this is and didn't have a ruler handy

20220521_201127.jpg

Edited by JBkansas
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  • 4 months later...

The fossils in picture #2 are definitely crinoid stems! The last photo is also almost certainly a segment of trilobite in cross-section. I think the group of "millions of sub millimetre fossils" is just the texture of the rock, but if you look closer they could be ostracod if they show any unique patterning or symmetry.

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On 5/22/2022 at 12:08 PM, JBkansas said:

4. Not sure what this is and didn't have a ruler handy

Could be a sectioned trilobite in an enrolled position.

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3 hours ago, Rockwood said:

Could be a sectioned trilobite in an enrolled position.

I posted it in it's own thread and the most likely seemed to be a gastropod (and it has similar silification and matrix to the gastropods in the first specimen). Trilos in our neck of the woods are small and very uncommon.

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Picture 1:

Gastropod cross sections

 

Picture 2:

Crinoid stems

 

Picture 3:

Oolitic limestone with a brachiopod

 

Picture 4: 

A bryozoan in the upper left side of the image. Maybe a crinoid stem but it's hard to tell from the image.

 

Picture 5:

I like the suggestion of a trilobite cross section, but I'm not sure.

Edited by Opabinia Blues
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Looks like some repetition of photos on another post. The last one marked as  number 4 but actually 5 is a cross section of a bellerophontid gastropod.

 

http://www.thefossilforum.com/index.php?/topic/123737-wife-wants-to-know-if-anyone-can-id-her-fossil/&tab=comments#comment-1349881

 

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16 minutes ago, DPS Ammonite said:

Looks like some repetition of photos on another post.

 

Yeah, I reposted it back in May after it didn't get replies in this thread.

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