No matter what people say, I'm really not a demon. Those little horns on my head are actually cup coral fossils from the Devonian period, about 417 - 354 million years ago. The land which is now known as Michigan was once under an ancient ocean and is particularly rich in fossils of this period. This has led to vast limestone deposits which we quarry today. During the Devonian period, the Earth looked quite different and most of the continents were formed in a "pre-Pangea".
From this period, and with a bit of patience, one can find cup coral...
...delicate crinoids...
...hexageneric corals, like starburst fireworks...
...and brachiopods, gastropods and trilobites (not pictured here.)
Good hunting!
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