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Pierre Shale, South Dakota Help


Nimravis

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It is so cold in the Chicagoland area I decided to go through fossils that I have not looked at in years. I came across a little container that contained a couple items that I collected back in the early 90’s. I am 99% sure that I collected thenm from the Pierre Shale along I-90, West of Wall Drug. 

 

I know there is a small portion of an Ammonite, but I wonder about the other pieces. I believe they all came out of the same concretion.

 

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The last one is part of an inoceramid bivalve, I think. 

The one before maybe a very weird scaphitid ammonite? 

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Life's Good!

Tortoise Friend.

MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160-1.png.60b8b8c07f6fa194511f8b7cfb7cc190.png

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Check out Yezoites for the wierd scaphitid.  I don't think I've ever heard of that genus coming from the Pierre Shale, though.

 

Don

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27 minutes ago, FossilDAWG said:

Check out Yezoites for the wierd scaphitid.  I don't think I've ever heard of that genus coming from the Pierre Shale, though.

 

Don

I believe they all came out of the same concretion and I am almost positive they came from the Pierre Shale.

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Looks like Pierre Shale stuff to me. 

I have quite a bit of it myself. :)

Life's Good!

Tortoise Friend.

MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160-1.png.60b8b8c07f6fa194511f8b7cfb7cc190.png

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2 hours ago, fossisle said:

Definitely a small Scaphites microconch with lappets, excellent preservation!!

Thank you very much, I will look it up.

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