Missouri fossil helpCatfish

[catfishjim90]

Missouri fossil help

found this in defiance Missouri. Can anybody out there help me with identification.? Thank you

Catfish

 

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[CaptEsteban]

Search for " Ammonite fossils."

 

[Red-Coat]

It's a nautiloid ammonite. A marine cephalopod in this sub-class:

https://en.wikipedia.org/wiki/Ammonoidea

In general, coiled nautiloids like this aren't that common in Missouri but will usually be from somewhere in the Ordovician period and around 450 million years old. I doubt we could get to a definitive species name.

Nice find.

 

[Twitch]

Jim - the two posts above are spot on. I'm not far from Defiance. Nice find.