It’s been a little while since a new Petalodus ohioensis tooth has been found locally. As luck would have it, a new one showed up. This will be a short post, as the tooth is currently missing it’s cusp. While breaking apart the rock, I happened to split this oneRead More →

Petalodus ohioensis

This specimen is lower crowned than recent ones collected. It is also heavily covered in a white substance that may be mineral aragonite or something else. This being my 11th tooth specimen, I may start reporting on these in groups. The bottom right of the below photo has a pieceRead More →

Petalodus ohioensis

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.Read More →

Petalodus tooth cutting edge

A quick accidental find tonight. I stack fossil pieces all over the place. This particular piece has been out in the weather all Winter. The tip of a Petalodus Tooth blade attached to the rock. Upon examining the specimen under the microscope, it found it to be removable. With aRead More →

Petalodus Tooth

One large piece of limestone needed broken into two or three pieces to haul back. With one crack of the 16lb sledge hammer, a chunk of limestone separated and exposed this very nice Petalodus tooth. This particular tooth specimen sets a few firsts. It’s the widest tooth I’ve found atRead More →

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 →

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 →

My first Petalodus 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 area asRead More →

Petalodus Tooth from Pennsylvania

A fourth Petalodus Tooth has been found in the same general area I found the first three teeth. This tooth looks deep like the 2nd tooth. The two sides are missing and fractured, likely from splitting the rock. The tooth was dark in color when I found it and turnedRead 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 →