We have several ledges on the ranch that were ancient sea shores. The ledges have many varieties of both water creatures and plants. These are Gyrodes petrosa from the upper Cretaceous geological era 146 to 98 million years ago. To put that in perspective, the period is when the first flowering plants appeared and the Rocky Mountains were created. This is also the period when mass extinction of dinosaurs was underway.
We have picked up a few, but plan on leaving as many as possible where they are to preserve this unique area for future generations.