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Found 39 results

  1. A new article is now available online: Michelle R. Stocker; Sterling J. Nesbitt; Katharine E. Criswell; William G. Parker; Lawrence M. Witmer; Timothy B. Rowe; Ryan Ridgely; Matthew A. Brown (2016). "A Dome-Headed Stem Archosaur Exemplifies Convergence among Dinosaurs and Their Distant Relatives". Current Biology. in press. doi:10.1016/j.cub.2016.07.066. Triopticus is just another one of the many additions of the list of Triassic reptiles that are superficially similar to dinosaurs but fall outside Dinosauromorpha. This discovery brings to mind the putative Triassic pachycephalosaur from India (mentioned in Naish and Martill 2001 and Butler and Sullivan 2009), and it's almost certain that the "Triassic pachycephalosaur" could be a relative of Triopticus, since the putative pachycephalosaur classification of the Indian form, like the ornithomimosaur classification of Shuvosaurus and avialan classification of Protoavis, was greeted with skepticism by Chatterjee's critics. R. J. Butler and R. M. Sullivan, 2009. The phylogenetic position of Stenopelix valdensis from the Lower Cretaceous of Germany and the early fossil record of Pachycephalosauria. Acta Palaeontologica Polonica 54(1): 21-34 Naish, D. and Martill, D.M. 2001. Boneheads and horned dinosaurs. In: D.M. Martill and D. Naish (eds.), Dinosaurs of the Isle of Wight, 133–146. The Palaeontological Association, London.
  2. Coelacanth

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    Poorly preserved skull of Diplurus newarki Late Triassic, Lockatong Formation North Bergen, New Jersey, Granton Quarry.

    © © 2016 Tim Jones

  3. Skull and dorsal

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    Diplurus newarki Skull and first dorsal fin. Late Triassic Lockatong Formation North Bergen, New Jersey. Granton Quarry

    © © 2016 Tim Jones

  4. Unidentified fish Skull

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    This skull will need to be prepared to find out what it is. It looks a bit too narrow to be from Diplurus newarki, (although, it could be) . It could also possibly be from the early ray finned fish, Turseodus sp. or Synorichthys sp., which are known from the same strata. Newark Supergroup, Newark Basin, Late Triassic, Lockatong Formation. North Bergen New Jersey. Granton Quarry.

    © © 2016 Tim Jones

  5. Coelacanth ribs and pelvic fin

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    Tail and body imprints, plus a partial skull, of 3 to 4 different Diplurus newarki. Newark Supergroup, Newark Basin, Late Triassic, Lockatong Formation. Granton Quarry, North Bergen, New Jersey.

    © © 2016 Tim Jones

  6. Double skulls

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    A small plate with two skulls of the coelacanth, Diplurus newarki. The one on the bottom shows oblique dorso-ventral crushing. Late Triassic, Lockatong Formation, North Bergen, NJ,

    © © 2016 Tim Jones

  7. Another 1/2 Coelacanth

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    A poorly preserved, partial individual Diplurus newarki. Late Triassic Lockatong Formation, Newark Supergroup, North Bergen, New Jersey. As always, right click the image and select "large" for best viewing.

    © © 2016 Tim Jones

  8. Blue Skull

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    A colorful skull of an unidentified fish, from the Late Triassic Lockatong Formation, Newark Supergroup. North Bergen, New Jersey.

    © © 2016 Tim Jones

  9. Complete Coelacanth.

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    A complete, if yet unprepped, specimen of the late Triassic coelacanth, Diplurus newarki. Not sure how I will go about prepping this, but I have a few options. Late Triassic, (Rhaetian). Lockatong Formation, Newark Supergroup, North Bergen, NJ.

    © © 2015 Tim Jones

  10. A few skulls...

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    A few partial Diplurus newarki - showing skulls, and partial body/fins. Also a piece of another fish, a ray finned fish,... Synorichthys sp. or Turseodus sp. Late Triassic (Rhaetian) Lockatong Formation Newark Supergroup North Bergen, New Jersey.

    © © 2015 Tim Jones

  11. Fish plate

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    A pair of fish on one small slab. I believe the ray-finned fish is either Synorichthys sp. or Turseodus sp. You can see the body of a Diplurus newarki just below the other fish scales. Late Triassic, (Rhaetian) Lockatong Formation, Newark Supergroup, North Bergen, New Jersey.

    © © 2015 Tim Jones

  12. Faint imprint of coelacanth

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    A faint body imprint of the Triassic coelacanth, Diplurus newarki. This shows how difficult these fossils can be to see in the field, and even at home. Late Triassic (Rhaetian) Lockatong formation, North Bergen, New Jersey. AS ALWAYS - RIGHT CLICK AND SELECT LARGE FOR BEST VIEWING

    © © 2015 Tim Jones

  13. Front half of coelacanth

    From the album Fossildude's Late Triassic Lockatong Formation Fossils

    Diplurus newarki coelacanth, The skull is present, if poorly preserved, as is the 1st dorsal fin. Late Triassic, Lockatong formation, Newark Supergroup North Bergen, New Jersey.

    © © 2015 Tim Jones

  14. Thalattosaur Found In Alaska

    An article you might find interesting…... http://www.alaskapublic.org/2013/09/18/thalattosaur-fossil-discovered-near-kake-may-be-new-species/ I first heard of Thalattosaurus when I read a book about prehistoric reptiles from California, and I didn't know that Mesozoic marine reptiles inhabited the waters off the Pacific Coast of the US until I read about where Shastasaurus has been found. The discovery of a thalattosaur from Alaska shows that North American thalattosaurs roamed the Pacific Coast as far north as Alaska.
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