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Found 9 results

  1. For sale is a large bone (50cm or 20 inches) from the Ouled Abdoun Basin in Morocco (phosphate mines). It is listed as a Pterosaur wing bone and i think the id is correct, however i have seen bones from the Ouled Abdoun Basin that have appeared labelled as from the psuedotooth birds (generally Odontopteryx Gigas), and i am not sure how to tell the difference. The biggest problem is that the seller who purchased it from someone else, has the locality listed as the Kem Kem - which is certainly incorrect and because of the incorrect fossil site, i can't know for sure if the fossil came from the Maastrichtian layers of the Ouled Abdoun Basin and i believe the Pterosaurs described from these layers are known primarily from Couche 3. So i guess based on the pictures provided, does anyone familiar with fossils from the locality know if it likely to be Pterosaur. Thanks in advance.
  2. I have had a bunch of broken bits of Oligocene mammal coprolites sitting in a cup for years. I got them before I had a proper microscope. I decided to pick through another one last night. This one had what I thought could be a rodent incisor. So I started excavating with my X-acto blade. As I uncovered the bone, I realized it was not a tooth. I started noticing these very fine crescent shaped objects (which I unfortunately did not photograph). So I decided to give the poo a little vinegar bath overnight. As I lightly removed an unremarkable bit of fossilized fecal mass this morning, it split away revealing what might be a feather. I wet a bit of downy feather and photographed it for comparison. What do you all think? @Carl, didn't you have a coprolite with a feather inclusion? If so, did it look like this? The bone that I exposed is very furrowed and hollow. Of course this may not mean anything other than it is partially digested. Could it be a bird bone? @Auspex Here is the before and after photo of the coprolite fragment. Here is a magnified image of the a wet modern feather and the possible undigested feather.
  3. Dinosaur dandruff!

    https://paleontologyworld.com/exploring-prehistoric-life-paleontologists-curiosities/paleontologists-find-fossilized-dandruff
  4. Entire theropod cladogram

    Hey everyone Would anyone here know of the most recent and up-to-date cladogram for the entire Theropoda? In what paper does it appear in? Thanks for the help. -Christian
  5. Mammal or Avian fossil?

    Hello, I was out near central alberta the other day and I found two different specimens (I'll post the other one in a different thread). I doubt you'll be able to tell me what animal it came from but I was hoping the type of bone could be identified? Its heavy- so I'm pretty sure its fossilized. Its dark brown in color (pictures dont show this) and it appears to be hollow or possibly the marrow has fallen out but the inside looks quite smooth.
  6. This was found on an anthill in the Hell Creek Formation, SD. A few years ago, a paleontologist at the South Dakota School of Mines looked at it and thought it could be avian. Can anyone out there confirm this? If so, any ideas as to species? Thanks for looking!
  7. Avian Fossils Bones

    Here are six bird bones (I assume I am correct) from the Pleistocene of North Florida, USA. There are several different species included in this collection which I have no expertise in identifying(a complete amateur). Please anyone?
  8. Hello TFF, I recently was able to glue this specimen together after its discovery this past fall. I need help with identification. It was found in the Niobrara in Logan Co, Kansas. After asking a tooth expert, he hypothesized that it is a Hesperornis. I've done a little research myself and I am not convinced of his conclusion. Of the Hesperornis pictures I've seen online, it appears that the top jaw lacks teeth at this part of the jaw, whereas my specimen is full of teeth. Additionally, there are two rows of distinctly different teeth on both the lower and upper jaw. One set is larger, more spaced teeth approximately 3mm apart and up to 4mm wide at the base. The larger teeth have all broken slightly and look like little volcanoes protruding from the jaw. The second row of teeth in the same jaw contains much finer and closely spaced teeth - about 0.5mm apart, 1-1.5mm wide, and about 2-3mm long. The two rows of teeth are slightly angled from each other - about 20 degrees or so. Any suggestions? I got a second opinion: Cimolichthyes...? What do you all think? Thanks for your help!
  9. Bird Or Pterosaur

    I processed some matrix today and found this small claw so I am interested to see what others think it is. The claw was found in the marine matrix from the Toolebuc formation that is a marine deposit that dates to the albian period in the cretaceous, about 100 million years ago of Australia it is found around Richmond in central Queensland. The scale in the photos is in half millimetres. the tip of the claw is broken of and what remains is about 5.5 mm long and about 1.2 mm wide. As the specimen is a claw I have eliminated the usual suspects of fish and marine reptiles so I am leaning more to the fly in type of suspect with bird and pterosaur the main contenders. I assume that due to the narrow width of this specimen the claws function is more to slice rather than to grip or scratch. Thanks in advance for looking and I hope some feed back. Comparative photos would be nice especially those of a better quality than I take. Mike D'Arcy
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