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Found 27 results

  1. 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!
  2. 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 SIDE 3 SIDE 4 SIDE 5 SIDE 6 SIDE 7
  3. 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.
  4. 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. Honestly, I'm pretty out of my depth with this one. Also, if someone could recommend any sort of books I can use to help identify the Pleistocene fossils I find in Texas, that would be appreciated as well - it's starting to seem like the Florida guidebooks on the subject are going to be the closest I can get!
  5. 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!
  6. 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.
  7. 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
  8. 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
  9. 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 reworked fossils). Thanks in advance! Max
  10. I found this oddball in the same spot where I found a broken armadillo/sloth tooth that I posted in another thread. (Peace River, Bone Valley, Florida, likely Pleistocene). I can't decide if this is a very worn and beat-up (and large) turtle scute, or a "chunkasaurus" bone fragment, or possibly a beat-up osteoderm from a giant armadillo or something else glyptodont-adjacent. Does anyone else think this looks like an osteoderm or is it just my eyes fooling me?
  11. I was sorting thru prior finds from Cookie Cutter creek when I came across this tiny osteoderm that I must not have identified at the time. Am I wrong, or is this the most minuscule Armadillo osteoderm ever?! What else could it be? Can it be ID'd to species? It really is only 2 1/2mm.
  12. NJ Cretaceous osteoderm/mouth plate

    Hey everyone, i have this interesting Croc osteoderm/fish mouth plate. I am leaning a lot more towards Croc, but this one looks pretty different than usual because of the dimples being a different shape and arranged in a row; maybe it’s just from a different part of the body. It would also be complete if it’s Croc, which is unusual. Size is about 3/4”. It is definitely not a concretion in case some pics are misleading (some bony structure is still visible on the back of the specimen when looking at it in person). @non-remanié @frankh8147 @Trevor @Plax @Al Dente @MarcoSr Thanks!
  13. Hey everyone, I found this fossil last February on the Peace River, I believe I posted it with a bunch of my other finds from that trip a while ago and the ID came up inconclusive. I was hoping the folks on the forum could help me out with this one again. It's about 3.5 cm in diameter and I first thought it belonged to a glypodont but I'm not so sure.
  14. Giant Tortois Osteoderm?

    I found the item on the right a couple years ago and wrote it off at the time as just a unique Giant Tortoise osteoderm. I'm having 2nd thoughts now that I've found another one yesterday when digging at Zolfo Springs. The newest one (on the left) is still wet so it shows what looks like a Fossa or a Facet on the underside more clearly than the one on the right. Both display (or would have displayed) a very definite ridge down the centerline. So, just a different osteoderm, or something different?
  15. I found this worn bone fragment on Indian Rocks Beach, Florida. It's about 2 3/8" x 1 1/4". After looking at it, it has a home plate shape similar to armadillo and turtle scutes. It appears to have a plate on the front and back, possibly the plastron and carapace of a turtle? (I have 6 views)
  16. Venice, Fl Turtle or Gator?

    I found an interesting fossil on the beach in Venice, FL. Believe it is either a Turtle scute or an alligator osteoderm. Can anyone help confirm and tell me anything interesting about it? Thanks for the help! Rob Convex side Concave Side Edge view
  17. Osteoderm fragment?

    Hey all, This piece was found in Frankstown, MS in Cretaceous sediment. It appears (at least to me) to be a fragment of an osteoderm, maybe crocodilian. Any thoughts? thanks!
  18. Please help to identify lizard osteoderm

    Dear Guys, Few months ago when I still was in Varena town I found this tiny osteoderm (probably lizard) in dolomite erratic with some other remains. By rough surface texture the fossil looks similar to Helodermatid but lizards consist of many families... Please help to identify this remain to know the age for sure, I would think it should be from Paleogene. Any help will be appreciated! Best Regards Domas
  19. Osteoderm?ID help

    Found Myrtle Beach, South Carolina where Cretaceous, Pliocene, and Pleistocene material can be found. I posted about one of these on a previous thread a while back but since I found what I believe to be another in my unsorted boxes, and the previous thread was inconclusive I decided to post again and get some more thoughts, hope that’s okay. It was thought to be an osteoderm of some kind but any Ideas welcome and appreciated!
  20. Calvert Cliff Croc bone?

    Looking for confirmation here, is this a croc skull bone or osteoderm? I was putting all my Brownies beach finds into one box and I saw it and immediately picked it up, I don’t know how I missed it! Croc material is pretty uncommon on the cliffs, so if even this one inch bit is croc I’d be super happy!
  21. Peace River find

    I found this little mystery in the Peace River. It is approximately a 1 inch square and very thin—I was thinking it may be some kind of osteoderm. I am hoping someone here can help ID.
  22. 01 Holmesina sp. Osteoderm

    From the album Sharks and their prey ....

    Holmesina sp. Pampathere Osteoderm Savannah, GA

    © Matthew Brett Rutland

  23. Possible osteoderm?

    First off, apologies for low quality pics, only a lap top camera here. I was hoping some one can ID this oddball. My guess is some kind of osteoderm from a glyptodont or tortoise? I will try to update this thread with better pics. (have to get my friends smart phone and have them e mailed to my computer. Sorry double post, tried to delete it but cant seem to. Can a moderator please delete one post?
  24. This osteoderm was in a box of Bull Canyon Formation (Triassic - Norian) coprolites that I have been going through for the past year. The fun thing is, I one of the coprolites in this batch appears to have osteoderm inclusions that look very similar. I have looked at well over a thousand coprolites from this formation, and this is the first time I have found inclusions such as these. Needless to say, I am super, super excited!!!! Best I can figure it is from an aetosaur or phytosaur, neither of which are familiar to me. I did send an email to the person that found them to see if she is able to identify it, but thought I would throw it out to the forum at the same time. Any assistance you provide would be greatly appreciated. @Carl check it out!
  25. Odd Florida osteoderm for ID

    Not quite sure what to make of this guy I found last week.... about the size of a quarter and thinking maybe just an odd placement for holmesina/ glyptodon but just not sure. Any help is appreciated: )
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