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Found 81 results

  1. Fish in a nodule needs ID

    Hi All, I bought a fossil fish on online a while ago. The seller identified it as "PTERONISCULUS Fish fossil Trias 250 mio Madagascar" It would be nice to confirm and also get additional information on possible locality, ideally reference to a scientific publication. I'm really curious about in situ conditions where the fossil was found. Could it be desert, or a mine. It seems like the fish nodules are not that rare if you look on-line but it's hard to find anything about the place of origin. Clearly, recognizing a fish species in this condition is a rare skill. So, many thanks in advance to those who will weigh in and share an opinion and information. Pictures are attached.
  2. All, I wonder if someone may have an opinion about the object(s) in the small nodule shown here? The entire nodule is about 0.63 inch wide x 0.75 inch long x 0.5 inch thick (1.6 cm x 1.9 cm x 1.3 cm). It came from an area of shale that is likely of Pennsylvanian age in Northeastern Oklahoma. The shale from this location has many fossil marine invertebrates. I'm assuming its a mineral formation, but any thoughts would be appreciated. It is very hard to get the 3-D relief to show up in photos, so several angles and lighting conditions are shown. Best wishes.
  3. Nodules on Fossilized Bone

    What are the round nodules on this piece of fossilized bone? I suspect there is some lichen on the top of bone on photo 2. These run in size from 1mm to 5mm. Any ideas?
  4. Opened mazon creek nodule

    Hey, i just opened a mazon creek nodule with my hammer with a few light taps (since a month going in and out the freezer didnt seem to work) and i found these balls inside. Are they the actual fossil or are the specimens inside the ball? Any answer is appreciated!
  5. What do you think this is?

    This isn't a recent find but one that i labelled two Cyclus but going back to it i don't think the other fossil is one. The nodule came from a Derbyshire , UK opencast that has now been reclaimed . It was a very productive site with a good spread of flora and fauna. Thank-you for looking John
  6. Unusually smooth nodule

    I found this half of an open nodule last September when I was hunting at Mazonia Braidwood. It was covered in dirt so I took it home to see if anything would show up when I cleaned it up. The dirt rinsed off easily and I was surprised to find a layered, smooth surface on the inner half. The feel and patterns of colors remind me of the inside of a shell. Has anyone seen this before or have any ideas about what this is?
  7. Fern ID

    So I got this Fern nodule yesterday. It came with no info. Approx 6 cm Any ideas?
  8. Unknown orthocone

    So I have partially removed an orthocone from a nodule that I found in some eroded glacial till. The rock is most likely silurian in age but I can't don't recognize this orthocone. It seems to have faint striations running lengthwise down the shell, which I haven't seen before.
  9. Howdy all, I tried searching for answers on the search bar, but couldn't find anything, so I'm hoping someone can help me out. I was going through the fossil prep section and noticed that many people seem to start off with a large nodule and remove all the matrix to reveal the fossil hidden inside. My question is, how does one (a seller, or person out on a fossil hunt) even determine that a big hunk of nodule has a fossil inside if there are no immediate visible indications of a fossil from the outside? Once again thanks.
  10. Unknown Mazon Creek

    Hi! I just recently found this piece for sale, with no identification. The bumpy texture made me think of Arthropleura, but could also be something like a Stigmaria root. Please let me know what you think!
  11. I have a few nodules that haven't split from my Mazon Creek trip in early March. They have been through I'd guess 20-30 freeze-thaw cycles by now. I have been getting impatient, so I decided to whack them with a hammer and chisel. I've smacked each of them like a dozen times, but they still won't split. It's not obvious where the bedding plane (?) might lie, so I've struck them from all sides to no avail. Is this an indication that there is nothing inside, and therefore no bedding plane?
  12. Are the fossil fish nodules from Madagascar offered for sale exported legally? Lots on offer on ones favourite auction website, and elsewhere. Seen a lot of discussion on Madagascan Ammonites for sale, how they may not be exported unless they have been “artistically enhanced” ie polished. But not seen anything mentioned re fish. Does anyone have any info?
  13. Mena Arkansas

    A friend found this along the Little Missouri River Just outside Mena Arkansas. I believe the area is early Cretaceous. My first thought was a Septarian Nodule. Is it that or something totally different?
  14. Ricky’s Mazon Creek thread

    Hey everybody! Welcome to my Mazon Creek thread, where I’ll be posting pictures of various Mazon Creek finds! I’ve been hunting there for upwards of 10 years, so I have piles of uncracked nodules just waiting to be opened. So as they open, they’ll find their way here! Feel free to jump in and add your own and keep this thread going! And I’m sure there are many that have gone unidentified, so I’ll probably need some help from the experts!
  15. I took my 8 year old on a concretion hunting expedition to the Lincoln Creek formation over the weekend, and we didn't find anything too great, mostly they contained this reddish brown crystalline mineral in various unidentifiable shapes. My son says he thinks this one is a fish, and I told him I didn't see it, but he said I should "ask the internet" because I "don't know everything," so I'm asking away! Any thoughts on what the mineral is that's inside these? It doesn't appear to be iron-based since it weathers pale, not rusty, as shown by the second photo. I forgot to include something for scale, but the rectangular faces of the broken concretion (left side of photo) measure about 5cm x 4cm.
  16. Hi I thought this fish was quite interesting but as the seller provides very little information and I see lots of composite fish I wanted to see what you guys thought
  17. Cracked nodule repair

    I am after a bit of help please. I have a fish nodule with a crack that has separated. How do I go about repairing it? I can either attempt this myself. What glue/joining agent do I use? Is this straight forward? Bearing in mind I have never attempted this before. I would also be open to having someone knowledgeable do this for me. If it doesn't end up costing me a fortune. Does anyone in the UK know of someone reliable. I am at work. Will post photos later Thanks
  18. Plant ID

    I recently purchased this nodule (about 5cm in length) with a Bothrodendron twig. There was also the cup shaped inclusion Any ideas?
  19. Hi all, I have an ammonite specimen from Folkestone, UK that is locked in a phosphate nodule. Is there any way for it to be removed? Thanks, Jay
  20. Thought this would be an interesting one for anybody overseas, who has never heard of Yorkshire’s Golden Cannonballs. Theyre only found in the UK along the Yorkshire coastline. With a 1/15 chance of having something inside, it’s safe to say they can be quite rare, and are always sought after. More often than not, they either contain one, or multiples of Eleganticeras ammonites inside. I’ll never tire of finding them. Theyre found in the shake jet rocks, and take hours to polish up the iron pyrite to give them their golden glow of you like. Here’s one I recently prepared.
  21. After the last one (link here: fish skull ) turned out to be a nice skull, I'm wondering if anyone could ID this bit? It's very 3D and hard to photograph without image stacking so I've given three views. Phosphatic nodule, Brigantian (U. Mississippian) marine shale, Co. Durham, UK. counterpart:
  22. large chert nodule

    I'm currently working with a monster nodule. 14.5 inches around. Had some chipping at the bottom with a small amount on one side. After several freeze/thaws the whole lower section is now exposed from chipping & flaking with the smaller area on the side enlarged as well. Nice off white, almost powdery exterior with a med dark brown interior. I'm hoping there's at least something in it and that the something is larger than a pea. Nodule has this tiny, curious almost nipple like area on top. Anyone have any experience with one this size? Am I possibly wasting my time? There are several hairline cracks showing here & there in the white exterior so far. My biggest problems are that I don't really know how long I should be soaking it, or freezing it or if it needs to be submerged in water while freezing. And of course, if I'm going to make it the whole way or end up whacking it with a hammer. Any helpful suggestions would be nice.
  23. Flora or Fauna?

    Another nodule I found already split. I thought it might be plant matter because of the dark color but the shape reminds me of a lamprey picture that I can no longer find. Probably wishful thinking and imaginative viewing.
  24. Mazon Creek Bone Fragment?

    I found this nodule already open and thought it was a fossilized piece of wood. However, it is not the usual black color of most of plants I have found. Could this be a bone fragment?
  25. Latest acquisition - fossil capelin

    From the album Fossildude's Purchased/Gift Fossils

    Fossil fish nodule from the Lower Pleistocene of South West Greenland. Mallotus villosus.
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