Prehistoric Tennessee

I know I talk a lot of bullshit on this page, but here’s something that is absolutely true: During the Paleozoic period, Tennessee was covered by a warm shallow sea.  The sea was home to my favorite pre-dinosaur – the trilobite, along with corals and more sea creatures that today is mind blowing to think about living in the Volunteer State.

You may have collected Indian Money as a kid (I still do). To me, they are even more special to find than a shark’s tooth while combing the mud or the sand because Indian money is actually a 245-750 million year old fossil of a crinoid.

indian money

Crinoids are echnoderms (think sea urchins, star fish, sea cucumbers, sand dollars, etc.). Also known as sea lilies, they look a bit more like plants than animals.  The Paleozoic crinoids that lived in Tennessee thrived in shallow waters and tide pools. Although you will not find crinoids living in the murky, warm waters of Old Hickory lake, they are not extinct. Crinoids of today live in deep sea but rarely wash ashore.

The next time you’re out by the Harpeth River dig your toes into the mud and see what comes up. You just might find a piece of history.

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2 comments

  1. When I was little, my Aunt Edna would take us down to Kentucky Lake to walk around and fish. My cousin Jerry was always looking around and picking up arrowheads – he had 2 or 3 big coffee cans FULL on a dresser in his bedroom – most were complete and in really good condition. Not pre-historic, but interesting…

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