It’s been a little while since a new Petalodus ohioensis tooth has been found locally. As luck would have it, a new one showed up. This will be a short post, as the tooth is currently missing it’s cusp. While breaking apart the rock, I happened to split this oneRead More →

This trilobite tail, also known as a pygidium was embedded in Brush Creek Limestone. By the Carboniferous, trilobites were on the decline, and evolution was making them smaller and smaller. Only the order Proetida survived into the Carboniferous, and later died out at the end of the Permian. It wouldRead More →