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  1. Hi all, I saw this interesting specimen online. It is labeled as Ankylosaur dermal scute, was found in the Hell Creek Fm., Hill County, Montana. Size is 4,8 cm x 3,2 cm (1.88" x 1.26"). These are the pictures provided: What strikes me about this specimen is the shape of the bony base and the grained surface. My knowledge about osteoderms is rather limited, so I was wondering if anyone can support or refine the given ID? The only image I found so far that resembles that shape, as opposed to the flat sided scutes, is that of an thoracic osteoderm (https
  2. Shellseeker

    Peace River, March 5th

    A couple of curious finds from yesterday: First: A small osteoderm (33 x 25 mm) from a Glyptodon. The edges look like they have JUST been broken but looks are deceiving. The bottom edge is almost like a knife blade. I am curious on whether others have found/seem similar shape/size/edge and determined the placement of the osterderm on the edge of the shell. Second: What appears to be an Ungual, or toebone. There seems to be muscle/pressure marks similar to other unguals in the the 1st two photos and curious indentations (red lines) on the 3rd photo.
  3. I know the stingray teeth and the coral, unless someone can provide species. What about the “Osteoderms?” Not sure about the tiny one and the white one? Rocks?? They just looked suspiciously “boney.” The holey one might be too porous to be an Osteoderm? I’m thinking the big one looks like a tortoise? Looking forward to posting lots more!
  4. cava.zachary

    Pampathere osteoderm?

    I believe this is a Holmesina osteoderm (my first), but please correct me if you think otherwise. From a north Florida river. Thanks! -Zach
  5. cava.zachary

    Mystery osteoderm

    At first I thought this was a neural bone from a turtle but now I'm wondering if it might be a mammalian osteoderm (3cm long x 1cm thick). From a north Florida river. - Zach
  6. While hiking in the Central Alberta Badlands Near Toleman in Red Deer River Valley came across two pieces of fossilized matter that looked very different than most of the bone fragments I have encountered while on similar outings. If I was to take a wild & uneducated guess I would say they look like they could be osteoderms? Any help to ID these strange pieces would be greatly appreciated. Thank you In advance.
  7. Every now and then something weird shows up in my sifter. Look at this cute little guy. Hexagonal shape with a faint raised area in the middle. Texture, shape, thickness all seem right for a giant armadillo, but the size is tiny. I've never seen one this small. Can someone confirm or deny this? Could this be from a baby/juvenile? Could it be a baby glyptodont. I'm stumped.
  8. Did not do well yesterday with the additional foot of water due to the storm, but found this little osteoderm. I don't think it's tortoise because it hasn't got the perimeter feature at it's base and it has a much more dense outer layer. Has anyone seen something similar before? I have several sloth osteoderms, but this doesn't have a similar texture to those either.
  9. This carnivore coprolite was found in the Bull Canyon Formation (Upper Triassic - Norian), Quay County, New Mexico. It contains numerous fine, boney inclusions (white). There also appears to be a small jaw inclusion that has a shape similar to amphibians. Originally, I couldn't figure out why there would be so many finely crushed bones. It is not something I usually see. When bone fragments are present, they are usually larger. That said, fibrous osteoderms are also found in the same area. I have included an image of a fairly large one. They are made up of fine, boney fibers that have a confi
  10. Brandy Cole

    Osteoderm--glyptodont?

    Found this in South Texas sandy gravel matrix. Pleistocene era. It's pretty small. But could this be a glyptodont osteoderm? It doesn't look like the turtle/tortoise pieces I normally find. The seams are very pronounced, and the grain on broken places is very fine and not as spongy as the turtle pieces.
  11. Hello everyone ! Need a bit of help here . this 3 pieces shown below has been offered to me as Ankylosaur osteoderm from Judith River formation. I have a bad memory about Ankylosaur scute before so i want a bit of help in Identification of these 3 pieces before buying. thank you in Advance ! Guns ==Number 1== ==Number 2== ==Number 3==
  12. Guns

    Ankylosaur osteoderm ?

    Hello ! This one is one of my first fossil . I bought it nearly about 6 mo ago as Partial Ankylosaur osteoderm (scute) from Hell creek formation , Montana . I have a hard time distinguish it from ceratopsian frill ... need help to confirm/correct ID on this bone and I wound love to know what is the main feature that distinguish Ankylosaur scute from Ceratopsian frill bone ?? thank you in advance ! Guns
  13. jamhill

    Scutes unknown

    Found these on the beach in Jacksonville Florida so Pleistocene. They appear to be some kind of scute. Are they glyptodont edge scutes? Tortoise leg spurs maybe? The first one looks like two fused together. One in the second group doesn’t actually come to a point but is otherwise very similar.
  14. So, I found a few chunks of osteoderms in an area that floods quite often. I wasn't even sure what they were at first, only that I *thought* they might be. But they were completely covered in mud and I was super-careful picking them up and getting them home. One separated from the large chunk. But now I have no idea what to do! I did leave them outside in the rain a few days; they were mostly uncovered when I found them anyway and have been sitting in sloppy mud for an eternity, so I figured it wouldn't hurt. So there was a lot of mud that came off but they're far from clean.
  15. Brandy Cole

    Costal vs. Scute vs. Osteoderm IDs

    Location: South Texas Found: Gravel, sand, low water Estimated time: Pleistocene I've been searching through info on scutes, osteoderms, reptile fossils, and types of turtle shell and plastron parts because we seem to have a lot of those in our area, but I'm having a hard time telling the difference. These are my best guesses, and I'm hoping someone can educate me on the differences. FRAG 1--I think this is a large turtle/tortoise scute fragment, but I'm not sure how to tell the difference between neural, costal, central, etc.
  16. Alex Eve

    Osteoderm or Ironstone?

    This is a chunk I found in the Horseshoe Canyon Formation, specifically in the Horseshoe Canyon area. It’s shape and ridges look almost identical to a small Ankylosaur/Nodosaur osteoderm, but the texture suggests a random chunk of ironstone. I’m leaning towards ironstone, but I think there’s a chance it could be a really smooth osteoderm. Would any of you guys be able to tell for sure? Thanks!
  17. RescueMJ

    ID 45mm thick fossil

    I found a unique reddish colored 45mm thick fossil while on my walk yesterday. It is pentagon shaped. Longest distance is from side 6-4 and is 9cm. The dorsal side is darker than the ventral. Four of the sides are smooth. Side 6 has a smooth surface and is size of a quarter. Found in area of Pleistocene material. My guess was neural (4) from a tortoise. Based on drawing in Hulbert's book The Fossils Vertebrates of Florida (p. 122). The thickness of this fossil is what is raising the question for me? ID help is greatly appreciated. SIDE 1 SIDE 2
  18. RescueMJ

    ID Multi-color fossil

    Unique two-color fossil throughout. Found in Venice, FL. The fossil is 6cm x 6cm x 2.5cm. Other fossil material in the area ranges from Meg teeth, whale vertebrae, Equus. My thoughts were of an osteoderm. Their is a raised portion at the break on the dorsal side. ID appreciated.
  19. GPayton

    Osteoderm?

    Found on the Brazos River southwest of Houston, Texas. I originally thought that this was an alligator osteoderm, but it lacks the distinctive boss in the middle of the bone. Looking around on the forum, it seems to match tortoise osteoderms rather well. Can someone confirm? I've found carapace fragments from both hard and softshell turtles before, but never one of these. I didn't even realize tortoises had osteoderms until now. What part of the body do they come from? As you can tell from the pictures, the bone is a decent size, so would this have to be a giant land tortoise or something else
  20. bthemoose

    Is this an osteoderm?

    I found this at Matoaka Beach (Miocene exposure) in Maryland the other day. Does this look like an osteoderm, or something else? Thanks for your help!
  21. I recovered these osteoderm fossils from a small gravel mining prospect off the Nueces River in Live Oak county, Texas about 50 miles from Corpus Christi and the Gulf of Mexico. Deweyville Formation fluviatile terrace deposits of Pleistocene to Holocene age. I am thinking giant armadillo, Holmesina, and some kind of crocodile. Thanks for your information, I found these over a decade ago.
  22. PaleoNoel

    Dasypus Imbricating Band

    Hi everyone, I know I haven't posted any fossils in the ID section for a while, but one recent post caught my eye. I immediately recognized a fossil on that post to be similar, if not the same as one I found in the Peace River in Florida back in the February of 2018. I now believe it's the imbricating band of some type of armadillo (likely Dasypus). It's about 2 cm long by .6 cm wide. I'd be happy to hear your input! Here's my specimen Here's some images provided by @Harry Pristis
  23. Mahnmut

    Is this a fossil?

    hello together, I saw this in an auction and am wondering if it may be something of interest? The blackish parts where it is broken looked somewhat bone-ish to me. No info but estate sale in the USA, 7.5” long, 5.5” wide and about 2” tall. Weighs 3 pounds Any ideas? Thanks and Best Regards, J
  24. Max-fossils

    Weird little fish (?) osteoderm

    Hey guys, Here's a small osteoderm I found recently on the Zandmotor in the Netherlands. I think it's possibly an osteoderm of a sturgeon or some other type of fish, but I'm really unsure. It kinda reminds me of a tiny alligator osteoderm... Anyone have an idea what it could be? It's probably from marine sediments of the Eem Formation, from the Eemian stage of the late Pleistocene (130'000 to 115'000 years old), but could easily be from the last Ice Age (around 40'000 years old), or older than the Eemian (anywhere in the Neogene is feasible actually, the Zandmotor has quite a bit of
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