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Found 11 results

  1. 'Like swallowing a dinner plate': 180 million-year-old fish may have choked to death on its supersized supper, Ethan Freedman, LiveScience, August 14, 2023 Death By Ammonite" Shows Jurassic Fish's Fatal Last Meal 180 Million Years On Racheal Funnell, IFLscience, August 2, 2023 The open access paper is: Cooper, S.L. and Maxwell, E.E., 2023. Death by ammonite: fatal ingestion of an ammonoid shell by an Early Jurassic bony fish. Geological Magazine, 160(7), pp.1254-1261. Yours, Paul H.
  2. The Actinopterygian fish (also called ray-fined fish) are the third major group of jawed fish (alongside the Sarcopterygians and Chondrichthyans) that emerged during the Early-Late Silurian 439-425 Million Years ago. The Ray-finned fish were at first not as abundant as the Sarcopterygians, but gradually increased in diversity during the Carboniferous and Permian periods. The Actinopterygians at this time even managed to colonize freshwater habitats. But the group did lose some diversity during Permian-Triassic Extinction Event 252 Million Years ago, though not as much as the Sarcopterygian fis
  3. Fossildude19

    Actinopterygian/Paleoniscoid scales

    From the album: Fossildude's Late Triassic Lockatong Formation Fossils

    Scales of an actinopterygian or paleoniscoid fish. Late Triassic Lockatong Formation Newark Supergroup North Bergen, NJ.

    © © 2015 Tim Jones

  4. ThePhysicist

    Actinopterygian fish teeth

    From the album: Permian

    Actinopterygian (ray-finned) fish teeth from the Early Permian of OK (Wellington Fm.).
  5. ThePhysicist

    Fish scales

    From the album: Permian

  6. I believe this positive/negative fish fossil specimen to be an Actinopterygian. The fossils are in a limestone nodule and I have no collection information from the estate sale company. These specimens vividly display scales and some bones with the dorsal and anal fins, as well as the caudal fins. Please let me know your thoughts! Thanks for your time and expertise!
  7. So an interesting summer. As some of you might know, Parks and Recreation came down hard on the Red Hill site while I was working there. At some point, the site had been transferred to Forestry, ya go figure. So there has not been an active permit for some time. But I was homeless and in need of a project so I was able to connect with Prof. Dave Broussard of Lycoming College and shift my focus to the sites along Rt 15 north of Williamsport. Still Catskill although the exposures at Powys Curve are Sherman Creek (Frasian) member instead of the Duncannon (Fammenian). I had collected there with my
  8. Hey everyone, been meaning to post this paleoniscoid fish here that I found way back in 2011 and finally got round to properly prepping a few weeks back. It was my first complete Carboniferous fish from a site in my hometown and definitely still my favorite! When it split out the head, tail and fins all stayed on one half of the split and the body on the other. I cut the body out and stuck it down as tightly as possible and used a combination of acetic acid and a needle under a microscope to slowly expose the scales, really pleased with the result and might attempt it with more fish now! The s
  9. Fossildude19

    Semionotus sp. Part and Counterpart

    Partial Semionotus sp. - part and counterpart. Nearly complete - missing caudal fin. Species indeterminate - possibly S. micropterus? Early Jurassic, Shuttle Meadow Formation. Connecticut.
  10. Fossildude19

    Complete Semionotus

    A complete specimen of the Early Jurassic holostean fish, Semionotus sp. - Species indeterminate - possibly S. micropterus? This was found on plate with 2 other partial individuals. East Berlin Formation of Connecticut. Unusually good preservation of the fish from this site. The skull is weathered and dephosphatized, due to previous exposure to the elements. I found this plate on 09/14/2014.
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