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Found 8 results

  1. Somewhat fishy

    Ahoi, I just finished a model of Dunkleosteus the lazy way, because I don´t have that much time these days. Lazy way means: Skull is a bought model from kaiyodo dinotales, postcranial is a skeletal drawing by Scott Hartmann I modified slightly and printed on some transparent foil. Like the outcome. It is quite small though, only 15 cm, representing a meager 3m in my chosen scale. can anyone tell what the other two are? both recent species, one handmade after a photograph, the other 3d printed from ct data. As I don´t know if I can add tags after posting , I just added the ones I may put in this thread if I ever find the time to build them. After all my Whales, other marine Mammals , Birds and Reptiles I thought it would be nice if I could include some more Reptiles and "Amphibians" (?) If it crossed the border between land and sea, its likeness shall be built by me -some day. -Placodus -Cyamodus -Mastodonsaurus -Tiktaalik -Ichthyostega -Diplocaulus Aloha, J
  2. 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.
  3. Dunkleosteus armor cross section

    From the album Sharks and fish

    Cross section of dunkleosteus' armor plate showing internal structure of mostly solid bone
  4. Dunkleosteus armor

    From the album Sharks and fish

    Part of dunkleosteus' amazing armored head
  5. A very interesting article on the discovery of Dunkleosteus and other placoderms and marine sharks of the Devonian recovered from the Cleveland Metro parks and Chagrin Valley of Ohio: https://clevelandhistorical.org/items/show/728
  6. Went out to Iowa for a Devonian hunt. Found a few placoderm teeth and what I'm told is a Dunkleosteus jaw/tooth bit. I'm happy. Can't wait to go back this Fall. I also found some nice crystals, pyrite and partial trilobites. Placoderm material Anyone know what this is from? My best guess is possible shark tooth.....? Dunkleosteus bit (it needs some prep and reconstruction)
  7. The Polish Geological Institute has just shared an article about the recent find in Poland - here you have an article in Polish, but worth looking at because of some pictures from the site and the images of the specimen http://www.pgi.gov.pl/aktualnosci/display/10405-wielki-drapieznik-z-gor-swietokrzyskich.html and here is the official paper regarding the discovery http://www.kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2018/issue_1/earth-2018-1-33-42.pdf
  8. Hello dear people, I wonder where to find information and reference-images on the postcranial skeleton of dunkleosteus or related species. You find images of their iconically armoured skulls everywhere, but not a hint of the "fishbones". Is there so little fossil record? I hope someone can give me a hint. Thanks, J
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