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Flexicalymene?


KompsFossilsNMinerals

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Hi everyone, this is a trilobite I bought when I was like 5 at the Natural History Museum in Washington, DC. Unfortunately, over the past decade I've lost the ID tag for it. I think it's a flexicalymene or calymene, but I'd really appreciate any possible guesses!

20210422_224640.jpg

20210422_224631.jpg

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6 minutes ago, Kane said:

Colpocoryphe grandis.

Ordovician, Morocco.

Thank you! 

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The pygidium (tail) is the best identifying feature for these.

 

Smooth pygidial flanks = Colpocoryphe grandis.

 

Furrowed pygidial flanks = Flexicalymene ouzregui

 

Here's a topic with visuals: 

 

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