If there is a common theme for discovery posts here, it is for the genera Metacoceras and Petalodus. In the past, I’ve numbered each specimen using roman numerals. As I’ve gained specimens, I may continue the sub numbering but will make fewer individual posts about particular specimens. Two new specimens
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 an interesting piece from the rocks yesterday. This slab has a similar coloring to Petalodus teeth I’ve found. However,
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 the matrix from a perimeter slowly, before uncovering the tooth itself. Air scribes are useful but troublesome to work with.