Answer Monday

Not a muffin.

It’s a trilobite, sure; who didn’t know that it was a trilobite? But congratulations to Dan Coleman for identifying the genus: Flexicalymene.

Flexicalymene is one of the world’s best-known trilobites,” write David L. Meyer and Richard Arnold Davis in their A Sea without Fish: Life in the Ordovician Sea of the Cincinnati Region (2009), “in large measure due to its abundance in Cincinnatian strata.” It is absent, thankfully, from Cincinnatian chili.

And a tip of the pygidium-rolled-up-into-the-cephalon hat to Dan Phelps for the photograph.

Glenn Branch
Short Bio

Glenn Branch is Deputy Director of NCSE.
We can't afford to lose any time when it comes to the future of science education.

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