Temporal range: Pennsylvanian
|Photograph and drawing of holotype.
Click on image for details.
|Species:||† P. mazonensis|
Kluessendorf & Doyle, 2000
Pohlsepia mazonensis is the earliest described octopod, dated at approximately 296[verification needed] million years old. The species is known from a single exceptionally preserved fossil discovered in the Pennyslvanian Francis Creek Shale of the Carbondale Formation, NE Illinois, USA.
Pohlsepia mazonensis is named after its discoverer, James Pohl, and the type locality, Mazon Creek. Its habitat was the shallows seawards of a major river delta in what at that time was an inland ocean between the Midwest and the Appalachians.
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