lehtaylor writes "One of the oldest species still alive today, horseshoe crabs evolved about 300 million years ago — predating dinosaurs by some 100 million years. If you're on the water this summer, you can participate in a horseshoe crab monitoring study organized by the Long Island Horseshoe Crab Network." Link to Original Source
Seen on a button at an SF Convention:
Veteran of the Bermuda Triangle Expeditionary Force. 1990-1951.