Linoproductus was first described by Chao in 1927. It went extinct during the Permian / Triassic Extinction event 252 million years ago. More Reading About Linoproductus Online Taxon Page – FossilworksRead More →

First described in 1870 by Meek and Worthen, Solenocheilus is a genus of Cephalopod. The identification is most likely, as two experts have noted the wide square shape of the specimen. For a short time I considered Ephippioceras. However, this specimen is much too large to be Ephippioceras, which areRead More →

One of two large specimens found in the same rock. This rock was found as a large piece embedded about 3 feet up a hillside. After wrestling it to the ground, a large sledgehammer split it into three large pieces, so that I could transport them home. I started toRead More →

I often find bits of Metacoceras, a Coiled Cephalopod that existed between 314 million years ago until just before the Permian / Triassic Extinction event. I have been looking for complete specimens, but typically they are bisected on some sort of sediment plane within the limestone. Discovery In my localRead More →

My best bet on this specimen is a cephalopod, perhaps a Mooreoceras. It tapers ever so slightly, whereas a sea pen would be a much sharper. However, there are no discernible septal markings on the shell. The shape is nearly a circle in cross section. It measures 18mm in diameterRead More →

Ostracod fossils are of the class Ostracoda, belonging to the subphylum Crustacea. As far as I understand it, they are typically a microfossil in my area. Ostracods have been found as far back as 450 million years ago and are still an extant class today. They are also known asRead More →

Amphiscapha is a common fossil in Parks Township. It appears often as a flat spiral within shale. This particular specimen was accompanied by two Meekospira. I used a pair of engineering tweezers to remove some matrix from the sides of the larger of the two Meekospira. First described in 1942Read More →

This tiny gastropod is likely from the genus Glabrocingulum. First described by Thomas in 1940, Glabrocingulum has a geologic range of 353 to 205 million years ago. Being so small, it was difficult to identify via fossil plates alone. It has the raised edge with a bump pattern, but itRead More →

I went back to where I found the first Petalodus tooth, and the first rock I split open held another Pennsylvanian Petalodus tooth. This specimen is longer than the first one. It measures 1.5mm more narrow, however this is due to a chipped left corner. The limestone is a bitRead More →

This small gastropod was found embedded within limestone in what I now call my limestone pile. As I collect limestone from the surrounding hillsides, The pieces I can carry end up here. There are over 62,000 species of gastropods, and they first appear during the early Cambrian period of time.Read More →