Petalodus Tooth in Brush Creek Limestone

Yesterday I discovered first Petalodus tooth that was removable from the matrix. It’s the first time I’ve been able to examine one in three dimensions easily. I was not aware of how flat one side is compared to the other. There is a root, however it became detached when theRead More →

Gastropods from Pine Creek Limestone

The Pine Creek Limestone is supposed to be somewhere around here, but perhaps it was not laid down as strata in this area. It’s likely in Parks Township, but I have yet to find it. The nearest place I currently know to find it is at an intersection of 422/28/66Read More →


Described by Hall in 1852, specimens have been found from the Brush Creek Limestone and Ames Limestone of Ohio. I have found a large number of specimens here in Parks Township, and this is one of the best ones to date. Both sizes of the specimen are details and itRead More →


Limestone found in water usually yields better specimens. The water works its way into the cracks and crevices within the rock and specimens often come out easier compared to dry limestone. This specimen of Metacoceras is one of my best ones yet, coming out in once piece and showing aRead More →

Petalodus Tooth

In going back to the area where I typically find Petalodus teeth, I have several pieces of limestone separated out to look for. In searching, I found another tooth. However upon closer inspection I figured out that I had found the other side of tooth no. 6. Petalodus CatalogRead 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 →