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Gastrioceras

Suture: Goniatitic

Gastrioceras was a goniatite with lots of visible coils. It was from the Pennsylvanian epoch/period. It had bumps along the shell wall and a flat venter.

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Image by Storye Book, CC BY 3.0 Unported, https://commons.wikimedia.org/wiki/File:Brackenhall_Gastrioceras.jpg
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Special thanks to the Science Museum of Minnesota for aiding this project.

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