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Found 17 results

  1. Late Carboniferous Oyster or Clam II

    A second large Clam or Oyster? I dug a huge piece of limestone out of the hill and split it into three with a sledge hammer so that I could actually pick pieces up. After the heat this weekend, they were easy to pick apart once I got them home. Yesterday, I found the first piece. This is the one I found today. When it came out of the rock I was a bit shocked at how large it was. I carefully tapped around the specimen and was able to remove most of the surrounding rock carefully. This is the larger of the two pieces I found this weekend. I have less confidence in identifying it as has less features than the first piece. You can see shell material flaking off in the 3rd and 4th photos below. The fossil after I found it: Then, once I removed it from the rock:
  2. Late Carboniferous Oyster or Clam

    I love and hate finding large fossils. They are really interesting and striking to look at, but I have a hard time getting an ID on them. I dug a huge piece of limestone out of the hill and split it into three with a sledge hammer. After the heat this weekend, they were easy to pick apart. Yesterday, out popped this piece. There is another one I found today that I will be posting after this one. This piece has several wavy ridges. The shell material looks pearly, and perhaps some calcite replacement has happened. There was a piece of shell stuck on the mold portion as well. I'm seeing about 6 distinct ridges. Anyone know what it might be? Before I removed it from the rock: Several views after removing, trying to show the ridges:
  3. Long shot micro fossils

    Two mystery mini fossils. I’ll include scale photos, with marks at 1/2 mm. I’m on the lookout for Carboniferous Trilobites, and examples I’ve seen are very tiny in this formation, no more than 1/2 inch long.
  4. Worthenia perhaps

    While working on a specimen, this little gastropod fell out. Its measures about 7mm wide. Is it a Worthenia or something else? Being so small, I'm not sure it looks like the classic examples I find on fossil plates. Ruler is in mm. Found in the Glenshaw Formation. Pennsylvanian in age.
  5. One of my first exciting finds was a piece that looked like a tooth back in March. Turned out to likely be just a cool shaped rock. Fast forward 3 months and I finally found this today, which I believe is an actual tooth. But I'm no expert, is my identification correct?
  6. Carboniferous Gastropod

    Found this piece in the same piece of limestone that my last questionable piece was in. It's a Gastropod for sure. It was split within two separate planes of rock. There wasn't any detail within the split, so I just glued the two pieces back together. I've found lots of gastropods in limestone, but they are usually really tiny. This one was a full size for once. Glued back together using Paraloid B-72. As close as I can say, this limestone is approximately 305 million years old. I've considered both Donaldina and Meekospira. Last Questionable Piece:
  7. Big clam?

    This thing is big, much bigger than clams and brachiopods I usually find. I haven’t attempted to remove it yet, because things this size usually break up when chipped out. I see shell material and some ridges in the steinkern. Excuse my clean hammer.
  8. I am nearly sure the top piece is Metacoceras. The middle is a clam, but what species? Perhaps Astartella concentrica? The bottom, what is that thing? 6477/6478 show it in detail. I find these a lot. Are they brachiopods? Not shown, but there is a horn coral on the back of the piece in a cross section.
  9. Wilkingia Sp.?

    Not my best photos, but a quick dimensional Wilkingia that I found over the weekend. Identification is likely but not solid.
  10. Fenestella? Bryozoa of some type?

    Tonight I found a new limestone ledge sitting 6 inches from a stream water level. My father and I started hammering away at the shallow edges and removed a ton of interesting specimens. While there were some nice cephalopods, lots of brachiopods and clams, this piece caught my eye. I’ve read about Bryozoa and I’ve seen similar things on fossil plates. I believe I remember seeing pieces of them in limestone while digging, but never anything big. So, is it a Fenestella? Or something else? I’ve never found one worth showing. I saw a species list for it and it is very long.
  11. A few Pseudorthoceras

    Pseudorthoceras is a bit of a mystery locally for me still. They are probably the most common straight shelled cephalopod I find. I also found at least one Mooreoceras. From what I understand, Mooreoceras and Pseudorthoceras are both classified under the Pseudorthoceratidae Family
  12. Mooreoceras sp.? or something else?

    I’ve been air scribing this piece out and I figured it was a Mooreoceras. However, the ridge going up the front is something I haven’t seen on this species. Is it just squashed a bit? It’s a pointed oval in shape. The length is nearly 3 inches.
  13. Brachiopod, but which one?

    By far the most detailed Brachiopod I’ve found to date. The top impression, which isn’t shown, appeared to have two larger bands running down the center. The small piece in attachment 3 was somewhat of a steinkern or impression below it. Scale line is 1cm. Photos taken with a DSL through a microscope. This came from eroded Limestone.
  14. Brachiopod?

    This one showed up after a rock split. The steinkern was really shiny and smooth. Usually the shell is hard to save, but I was able to when air chiseling away at this one. There are noticeable grooves on one side.
  15. I am going to start adding some images of my favorite finds which I call Collection Pieces. Identifications range from maybe, probably to most likely. I've only started to seriously collect over the past year. I've spent a great deal of time studying and learning Geology, as a hobby. I am located in Western Pennsylvania. At first, a map of the area. Anything in bright yellow is the Glenshaw Formation. The Ames Limestone layer exists between the Glenshaw and the Casselman Formations, which is the Orange color on the map. I have yet to explore the Ames Limestone, so I've only found fossils that exist in the marine zones below the Ames. Second and Third, are Metacoceras. The Fourth photo is of another Metacoceras. The id is slightly less likely as I can only see a few of the rounded spines. But I'm pretty sure it is one. Coming up next is a Mooreoceras that I found just this past weekend. I maintain everything on a website, that is listed in my profile. Thank you! Clint
  16. Pennsylvanian Clam?

    Found this one in the eroded limestone. It came out in two pieces. I believe it to be a clam. You can see it dimensionaly through the top. I'm still going to clean it up further.
  17. Metacoceras?

    Found this in what I call limestone locally, but it is more of a sandstone/shale mix. Very hard, black and cement like. Squares are 1 inch. I air scribed it out of the rock, where 50% was showing. My layer specifically is Woods Run Marine Zone, a hundred or so feet below Ames Limestone. It is the Glenshaw Formation. I am in Western PA. Also, this is my first forum post. I have several other types to post, but I figured I would start with this.
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