A crescent shell indention showed up on the flat top of a piece of limestone. I thought maybe a large clam shell, but at this point I should know better. I hammered the rock for a while, thinking that maybe a piece would break off and reveal part of theRead More →
My first Petalodus ohioensis Shark Tooth of 2020 is my fifth overall. This specimen is the first with a three dimensional root. I keep a ready supply of limestone boulders near the lab in which I can search through the matrix. This boulder perhaps came from the same general areaRead More →
Macroneuropteris is a much more rare genus than Pecopteris. However, these can be found locally in the shale below the primary limestone layer. The detail within the leaf of this specimen is stunning in my opinion. The Middle Pennsylvanian Sydney Mines Formation, found in Nova Scotia, Canada, have revealed aRead More →
There are two corals that occur locally. Stereostylus is a common solitary horn coral in Pennsylvania. These two specimens show perhaps the same species. The top piece on polished limestone is a cut cross section. The bottom piece is an eroded end sticking out of stone. The shell material erodedRead More →
I’m not certain on the genus and species. I’ve considered Meekopinna Americana and Aviculopinna peracuta as possibilities. However, upon reading an article from the Journal of Paleontology, the entire family is in need of some clarification. We understand, however, that the Paleozoic Pinnidae are in need of a complete re-investigation;Read More →