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Found 20 results

  1. bockryan

    Placodermi

    From the album: Fossil Collection: DC Area and Beyond

    Placodermi Capon Lake, WV Needmore Formation (Hares Valley Member) Early Devonian *Donated
  2. Hello everyone, this specimen has been advertised as a phytosaur scute from the Triassic of Northeastern Arizona. I'm curious if this piece is genuine and unmodified as it is relatively cheap. I'm also wondering if it isn't metoposaur scute as I've not seen a phytosaur scute like this. As always, any help is appreciate, thank you.
  3. Harry Pristis

    Crocodilian Osteoderms

    From the album: BONES

    These are bits of boney armor from the dorsal regions of large crocodilians. This armor arises from the dermis of the reptiles. The armor bits are sometimes preserved as fossils. These bits of bone are called "osteoderms," not "scutes." (Scutes are the chitonous scales that cover these osteoderms in life. Scutes are thin, flexible, and translucent. Scutes arise from the epidermis of the animals. They are never preserved as fossils.) Notice the central boss of the alligator osteoderm is not present in the armor of this crocodile, making it relatively easy to distinguish between the two taxa.

    © Harry Pristis 2011

  4. PaleoBri

    Michigan Devonian Bony Fish Plate

    At the beginning of the summer @Cris and I took a trip up to Michigan and stopped at Alpena while there. I ended up finding a bony armor fish plate there, you can see in the top center where it had fallen to rest on a coral that dented and crushed it. We painstakingly glued it together before lifting it from its host rock to reveal beautiful blue vivianite and small white druzy crystals on it. It’s about 8 inches long and 3.5 inches tall. I believe it’s from the Devonian Rockport Quarry Limestone Formation. I’m not sure what species it belongs to, I would gladly accept any input! It currently needs repairing, but I can get more photos of it once that is done if needed. Thanks!
  5. Saw this indet. vertebra with fused armor plate for sale and would like to know what it's from, is it crocodile or maybe turtle? Never seen anything like this before, is this common? Location: Kem Kem, Morocco Size: 7,5 cm (2.95")
  6. Still_human

    Dunkleosteus armor/possible jaws

    From the album: Sharks and fish

    Front side of armor which I believe could be the edge of the jaws! It comes to what would have been the razor sharp shearing edge, greatly worn down now, though. I also believe it could be the jaw because of the clear vertical wear lines on the surface, from being sheared against the inner surface of the other jaw, which is how they kept the edges razor sharp like scissors. I have seen similar wear lines on placoderm shearing jaws, so what I believe to be reasonable observations point to the possibility(maybe even likely?)of being from the cutting edge of the jaws.
  7. This is a much more recent acquisition that I picked up at an estate auction of a fossil collector that was identified as a Stegosaurus back plate. My own research has led me to conclude by the shape that if it is a Stegosaurus plate, it is back tail plate that would have been near the spikes. I have no concerns that the other fossils I picked up at the auction are genuine and were correctly identified. However given just the rarity of stegosaurus fossils, I think it’s probably not one and it was wishful thinking on the original collectors part. What do you think? For all I know it’s just a flat rock. I don’t claim to have any real expertise.
  8. HoppeHunting

    Show us your Scutes!

    Scutes are thickened bony dermal plates that can be found on turtles, crocodiles, birds, and many other animals. Because they are made of hard material, they are more likely to fossilize and remain preserved for millions of years. My personal fossil collection, which consists of an estimated 7,000-8,000 specimens, contains only a few scutes, which leads me to believe they are a rather uncommon find. Of course, this could very well only be the case with the geologic formations that I have collected from. Perhaps scutes are plentiful at other fossil sites around the world. I will include a few examples of the scutes from my collection. I encourage any members who have scutes in their collections to share pictures and details on their animal of origin, location at which they were collected, and size. Hopefully we'll all get to see some incredible specimen and collectively obtain a better understanding of scutes! Thanks in advance to all who will share! Pictured, in order: Crocodile scute, Calvert Formation, ~1 in. Ray scute, Calvert Formation, 3/4 in. Ray scute, Calvert Formation, 1/2 in. Boxfish scute, Aquia Formation, 3/4 in.
  9. DamCam

    Vertebrae Carnivore

    Not entirely sure what I have, I'd love to think it's a baby trex, but I can't be certain. Y'all take a look and tell what you think. I can always snap more pics, so let me know what everyone thinks, Thank You.
  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 let me start of by say you all are awesome! Amateurs like myself have got a lot more confidence because of the help you give us. It was great day when I discovered this site I had bought these a ways back and I was going thru my collection and it would be great to get an opinion if I these are what they were described as. The "raptor claw" was the first ever fossil I bought! (Fingers crossed haha) The COA said it was from the Taquiz, kasar-es-souk, region in Morocco. I believe the seller told be the red lines we blood grooves? It was probably 10 years ago so I dont recall much else about the ad. The other two were bought from the same seller, who did not have much reviews so I took a chance I guess. He described them as a "tricertops frill spike" and an "ankylosaurus armor scute" all i have regarding these ones is that is was found on private land in Wyoming in Lance creek formation... Any input would be greatly appreciated! I tried to follow the posting etiquette sorry If I missed something. Thank you!
  12. Bri_

    Help with ID of Fossil

    I found this today in the yard while doing some light soil work. No idea where it may have come from. Thinking it might have come up from the frost over the years. Look like sinew or even fat tissue when I saw it buried. After bringing it up and cleaning it up thought it looked like a giant arrow head. Then it even appeared to look as though in the pointed portion on the item it had what looked almost like growth plate lines like we have in our bones. The stub end looks a lot like a joint or knuckle of some point. We are located near the Iowa and English river basin's In Iowa. Any help would be great in identification of this item. And maybe it's just a black rock. I have other photos but it won't let me upload them. It is about 12" long and about 9"'s wide and about 3" 's tall.
  13. CEP

    Dinosaur Scales

    I found these scale looking fossils yesterday out looking on the Milk River. Does anyone know what the might be? I also posted one of my larger dinosaur bones that seems to have some opal veins maybe? not sure. Anyone have an idea about these? The scale looking one on the left has marrow and is a thin bone, the one on the right just looks like it was flaked off something. Appreciate the help.
  14. Hi there Amateur Dinobot again, with the self isolation, I had some time to look back at a couple of my purchases. They were bought a couple years ago on a popular auction site. The sellers did not have a lot of reviews so it felt like a bit of a gamble. The first on I was told was a deltadromeus partial jaw and was found in Norther Africa in 2015. The other I was told was an Ankylosaurus scute. I dont recall if the seller provided any further detail but he is no longer selling items. Thanks for the input! Wasnt sure if they were identified correctly or not deltadromeus deltadrom
  15. Hello!! This is my first time here and I was really hoping to get some assistance is identifying some stuff. Several years ago my uncle built a large workshop on his property and had has this huge pile of rocks in his backyard ever since. I am not positive of the whole story, but I do believe that the company he hired to dig for the foundation came across one, or several dinos, and just left the broken specimen in a large pile. I have several large chunks, this is only one piece, with the photos taken from several angles and ranges in an attempt to show the most detail. There are some weird little pink squiggly things that kind of look like worms in all of the larger chunks that I have, those really piqued my interest because I've never seen anything like that stuck in rock before. I have painstakingly attempted to clean some of the larger pieces up; I didn't want to unnecessarily bombard the forum with a ton of pictures, but will happily post more if anybody is interested. I'm kind of totally new to all of this paleontology stuff and any guidance or assistance will be very greatly appreciated!! Thanks for your time!! --Cassie
  16. So this material is from the Clayton formation in Arkansas. It is Paleocene in age. We are finding a lot of these flat pieces which I at first thought might be crab shells but now I think they must be scales from armored fish. Sometimes they are very thin and small - these examples are larger ones. If I am correct does anyone know if we can tell which fish they are from? (tape measure in view is in mm) The lone piece is from the same matrix as the others. After cleaning it up I would have guessed it was just a larger piece of armor but while I was removing it both ends broke off and it has some internal structures too. Also it seems to have tunnels that run through it that make me think of passages for nerves or blood vessels (bone? - it sure doesn't seem like it because it seems to have a shell). Here are pictures of its external and internal structures. The tube-like piece connects with one of the holes in the outside shell. I have taken pieces of all 4 exposed internal surfaces. It is not quite symmetrical which makes me think it isn't a crab . . . The fourth pic where a lot of the white matrix is visible is the back. I have been reluctant to clean it up since it is a bit fragile. Note: pics 5 & 6 (with the tunnel-like structure) have a bit of rubber cement on the surfaces - I had to retake the pics and had already begun to glue them back together
  17. BenWorrell

    Iowa Devonian Fossil (Fish Armor?)

    Help please! Last weekend I was on a club trip here in Eastern Iowa, and I found a really cool fossil. According to other club members, the layer it appeared to come from is roughly 385 million years old, possibly from the Little Cedar Formation, although we can't be sure. We believe that it is likely plating from an armored fish. A photo with a couple measurements is attached. The bumps vary in size, but are about 3 mm in diameter. I've reached my photo size limit, so I will try to add more close up photos in a little bit. What species could this be? What part of the body would it be from? Thanks! -Ben Worrell
  18. fossilsonwheels

    Ankylosaur or Nodosaur Scute ?

    One of my goals is to bring a very tactile element to our education programs. I think adding a piece of dino armor is going to be a real hit with the kids. I have been trying to brush up on ankylosaur and nodosaur scutes in preparation of getting one at some point in the near future. I am not to the level of being able to recognize them yet but I did see one in our price range. I am not sure about this one. The seller lists it as being from Hell Creek. It is 2.5"x1.5" and is 1/2 inch thick. Anybody have any thoughts about this one ?
  19. Still_human

    Dunkleosteus armor cross section

    From the album: Sharks and fish

    Cross section of dunkleosteus' armor plate showing internal structure of mostly solid bone
  20. Still_human

    Dunkleosteus armor

    From the album: Sharks and fish

    Part of dunkleosteus' amazing armored head
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