Saturday, August 9, 2014

Greenops pygidium from the Windom shale

Here is a very large Greenops sp. pygidium that I found in the Bay View Coral bed of the Windom shale (Moscow Formation, Givetian stage of the Devonian). It's remarkable for me due to the size of the specimen and the preservation of the "tail feathers" (as I like to call them).

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