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  1. I am fortunate enough to have such a huge amount of Middle Devonian Givetian material that I thought it best to put the older Middle Devonian stage, the Eifelian, in its own thread. There are some spectacular fossils here as well though! I thought a good place to start would be in the Formosa Reef, which I believe is quite early Eifelian. This tabulate coral and stromatoporoid reef continues similar complexes found from the Middle Silurian, see my: https://www.thefossilforum.com/topic/84678-adams-silurian/page/3/ thread from page three onwards for details. All these Formosa Reef specimens come from a delightful gift from my good friend @Monica who is a tad busy with life at the moment but is fine and still thinking of the forum. This outcrop can be found on Route 12 near Formosa/Amherstburg, Bruce County, Ontario, Canada. This beautiful-looking specimen came to me with only a third of it revealed but I managed to get it this far after nine days of painful pin prepping. Monica found another one and posted it for ID here: https://www.thefossilforum.com/topic/105528-weird-circular-imprints-formosa-reef-lower-devonian/#comment-1172285 The specimen was identified by another Canny Canadian @Kane to be the little stromatoporoid sponge Syringostroma cylindricum. Hardly a reef-builder, but gorgeous nonetheless. It does have a little thickness to it, but not much. Beautiful! Pretty thin, actually. I love this Monica, thank you!
  2. bockryan

    Astraeospongia sp.

    From the album: Fossil Collection: DC Area and Beyond

    Astraeospongia sp. Decatur County, TN Beech River Formation Silurian
  3. hi everyone this is Matt again take a look at this cool favosites coral I found in the creek today here is a photo
  4. I am attaching two images of an Odovician receptaculite fossil from Scott City, VA. As it was considered to be a sponge when I acquired it I was thrilled because I had only previously seen disarticulated sponge spicules. There appears to be a more recent debate suggesting that receptaculites are algae. If one accepts the first image as the top of the fossil then the structure is consistent with sponge diagrams I saw in a high school Biology class. So how about some opinions on whether or not it is a sponge or fossil algae. So,is this the top? Or is this the top?
  5. FossilFamily_24

    Sponge?

    I’m sure I will happen upon the right website at some point to identify it, but haven’t yet… certain it’s easily identified by the experienced. Can anyone help? I assume it’s a sponge? Maybe coral? Type? Thank you. Illinois.
  6. FossilFamily_24

    Chaetetes?

    Hi, everyone. I found this rock yesterday in Illinois. I was thinking it could be petrified wood. I had my doubts, so posted elsewhere looking for an ID and received a response of “some type of coral”. Later in the night, while looking up fossil corals, I happened upon the word “Chaetetes“. When I looked it up, a few pictures seem like a close match…maybe exact? I’m wondering what the experienced think about it. Thank you.
  7. LoneRanger

    Kentucky fossil -- sponge?

    I bought a number of invertebrate fossils from a Kentucky agate collector. These came without identification or info on specific site where found. I'm not familiar with Kentucky fossils but I believe this is a sponge (Porifera). Any confirming or alternative identification is appreciated. First and last photos are side views, second and third are top and bottom.
  8. Rebekah309

    Central Illinois Brooksella?

    I found this handsome mystery in a Central Illinois creekbed. While I think it could be a sponge, it doesn't resemble any that I'm already familiar with. I wonder if it could be Brooksella Alternata, however that seems unlikely due to it coming from Illinois and not further south. I'm stumped, but beyond curious. Any input would be a dream. 20240219_214229.mp4
  9. Good morning! Asking for help identifying 3 fossils (two on one rock) found in riverbed in Val Verde county near Del Rio, Texas. The first 4 images are of one rock with two features. The shell imprint might be a Pecten Texana bivalve (from online fossil ID site)? The other feature might be some form of sponge like the family Clionaida?? Both features are covered with fine crystals giving a lovely glitter - any thoughts on how/why that process happened? Final three images I think are a random rock, but the shape does mimic an image online of a vertebrate toe-claw of some sort, so curious about this. Thanks in advance for any thoughts!
  10. vincentB

    unknown fossil, some help needed

    Hi, Can anyone help me to identify this fossil? I thought of a sponge. Unfortunately the location and era are unknown. Vincent
  11. Burdus Gabriel

    Rock with holes

    Hello! I found this rock on a former river bed in a forest in Romania. If it helps, the rock type in this area is from pleistocene. I tried finding a simillar one with the same pattern and color but couldn’t find one. Thank you in advance! .
  12. PHFossilGuy

    Mystery Devonian Mahantango Find

    Found this a couple years ago near Deer Lake, PA. The site is a Devonian aged Mahantango formation location. I split the rock and this was inside. The left and right halves fit together. The specimen is about 5 cm from top to bottom and about 2 cm across. The dimpling pattern is what intrigues me the most. Could it be a type of sponge?
  13. tekknoir

    Coral? Sponge?

    Hi all, Was wondering if anyone has any ideas on this one. I'm thinking maybe some kind of coral or sponge, but I'm not sure. Found in Truth or Consequences, NM. There are quite a few Pennsylvanian marine fossils in the area. It's pretty heavily mineralized, but if you look carefully at the photo with the scale, there are two dark strands running across the center that are segmented. Thanks for any input!
  14. Some unidentified spicules from the middle Silurian Racine formation. All specimens measure approximately 250 - 500um.
  15. EmilieLee

    Fossil found near Cape May NJ

    Found on the bay while vacationing near Cape May NJ. Possibly identification was a stromatopotoid sponge fossil. I was also curious what the spherical structure imbedded could be. Thank you!
  16. Hello, Yesterday in Khinalik village (Azerbejdan) I found this stone - is it a kind of sponge? It looks a bit like Astraeospongia, but there are only a few spots that appear this way, otherwise the rock is solid.
  17. Shellseeker

    Peace River Hunting

    Trying to get out hunting more often just for the exercise and good feeling of being on the river in the sunshine. If you are not familiar with the Peace River, there are many/most locations shallow enough to hunt. I went out Tuesday to a number of locations that had proved productive in the past. This was a location that would have been over my head a month ago. We hope to find that heavy rains and currents have moved the gravel and sand around opening new opportunities. Today was mostly small shark teeth and unidentifiable bones.. I did not keep the bones. Note the colors of the shark teeth on the left. Darker colors typical of the Peace River with tannic acid. We hunted at this location for a couple of hours. It had a number of artifact "flakes" and I kept one. The rest of the lighter finds came from a 2nd location, mostly marine based... This Dolphin jaw segment is less worn and longer than the vast majority of similar jaw segments I have found in the Peace River.. Here is a sponge, once again higher quality , less worn and more complete than most others that I (very) occasionally find. These last two fossils do not show typical wear from water erosion. I will likely return to see if I can find more similar fossils.
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