Until yesterday, I was very singular in my knowledge of Pennsylvanian fossil shark teeth. Petalodus is the only genus of tooth I have found, that I was aware of. I pulled a interesting piece from the rocks yesterday. This slab has similar coloring to Petalodus teeth I’ve found. However, one
This is the first specimen of Petalodus ohioensis I have recovered from Pine Creek Limestone. Specimens of Petalodus can be found in marine zones throughout the Glenshaw Formation, so finding one here is no surprise. However through several trips to the locality, which is around 10 miles North East from
Petalodus ohioensis tooth number 10 is a beautiful specimen. It’s well shaped, well colored and has a solid root. I worked the specimen with an air scribe for some time, removing matrix from a perimeter slowly, before uncovering the tooth itself. Air scribes are useful but troublesome to work with.