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Found 20 results

  1. Paul1719

    HyneriaJaw2016medial.JPG

    From the album: Catskill Formation

    This Jaw was found and extracted from the wall at Red Hill in North Bend, PA by my son Ian (DevonIan Fish). It is similar in size to the jaws he discovered in 2014 which are now in the collections Academy of Natural Sciences in Philadelphia and will be used to re-describe Hyneria.
  2. So my son and I have been looking almost exclusively for signs of vertebrate life in Pennsylvania and almost exclusively and obviously in road cuts. My goal this year is to expand a little. I would like to visit Gilboa, site of the earliest known forest! That part of eastern NY state was the shoreline of an inland sea in the Appalachian basin during the middle Devonian. Many field trips are described here of fossils from that inland sea but almost exclusively invertebrate. I know in the past fossils have been found but I'm wondering if anything recent? I would assume if someone has a site they probably don't want to share specifics but just looking for what if anything people have found?
  3. Bringing Fossils to Life

    Hyneria lindae 2023

    I recently finished this reconstruction of the giant Tristichopterid fish, Hyneria lindae, from the Catskill Formation in Northern Pennsylvania. It is based off of the most recent (2018) paper concerning Hyneria lindae, which can be found here. Made in Paint.net, many skull bones are re-shaped from my previous reconstruction I released a couple years ago, including the opercular (gill cover) and associated bones. The color pattern I used is based off of the Norther Pike, which is very similar in overall form and likely also lifestyle to this fish. The scales and their frills are based off of scales figured in the paper, as well as fossils I have collected myself from the legendary Red Hill fossil site in North Bend, PA. The body is based on Eusthenopteron foordi, with special reference to the P-22 specimen that revealed so much about this related fish. The tail is based directly off of the amazing Hyneria specimen found in the paper and in the Red Hill Field Museum. Parts of the tail in the reconstruction were even traced from this fossil, which is pictured below as well. The picture below that is of a Hyneria opercular I excavated, which inspired me to finish this project. While Hyneria was a very low-metabolism, ambush-hunting fish, I wanted to depict it peacefully, and yet not in a mostly static pose while waiting for prey. I hope this reconstruction provides an accurate depiction of Hyneria lindae as we know it in 2023, but with more detail than the 2018 Jason Poole reconstruction which helped me greatly to reconstruct this ancient Devonian fish. And the Hyneria lindae tail from the Red Hill Field Museum: The Hyneria opercular from Red Hill, from a 6-8 foot long fish: Resources I used to make this reconstruction: For reconstruction of the skull bones, scales, and tail: https://www.researchgate.net/publication/324883784_New_description_and_diagnosis_of_Hyneria_lindae_Sarcopterygii_Tristichopteridae_from_the_Upper_Devonian_Catskill_Formation_in_Pennsylvania_USA The Eusthenopteron foordi reconstructions on this website were incredibly helpful, especially when illustrating the mouth of Hyneria. Coincidentally, I reconstructed the Hyneria mouth at a similar angle to one of the pictures on the website, way before I knew about it. https://www.cullentownsenddesign.com/eusthenopteronfoordi For ecology and lifestyle: https://www.researchgate.net/publication/329371242_Long-bone_development_and_life-history_traits_of_the_Devonian_tristichopterid_Hyneria_lindae For the rod-like projections found at the bases of the fins: https://www.researchgate.net/figure/The-famous-P-222-specimen-of-Eusthenopteron-foordi-before-its-skull-was-destroyed-by_fig5_362872177 For the fins themselves: https://www.researchgate.net/publication/213770274_Vertebral_development_in_the_Devonian_Sarcopterygian_fish_Eusthenopteron_foordi_and_the_polarity_of_vertebral_evolution_in_non-amniote_tetrapods The release of the Hyneria udlezinye paper to the public proved essential to my reconstruction, because the full skull reconstruction helped me fill in the gaps that exist in our knowledge of H. lindae's anatomy. Its different proportions caused me to look at those of H. lindae's more closely. https://www.researchgate.net/publication/368718778_A_high_latitude_Gondwanan_species_of_the_Late_Devonian_tristichopterid_Hyneria_Osteichthyes_Sarcopterygii The 2018 Jason Poole reconstruction of Hyneria lindae was very helpful and helped inspire the project. https://www.anspblog.org/illustrating-a-devonian-predator-part-2/ The older, 2009 Flick Ford reconstruction of Hyneria can also be found on this post, above the newer one. This one has outdated proportions but was helpful because of its high detail, especially when reconstructing the fins. The work of Paleobiome, which can be found on this forum, also proved extremely helpful. Working with Paleobiome with his reconstruction of Hyneria lindae helped me look critically at my own as I was working on it, resulting in a higher detail, more accurate reconstruction with more realistic lighting. Check out his reconstructions for a full, real-time, first-person simulation of Red Hill, including his Hyneria, here: https://sketchfab.com/paleobiome/collections/famennian-red-hill-pennsylvania-f1cd53241c884e1884e99f40c9f2c304 For my previous reconstruction of Hyneria lindae, based very (a little too closely?) off of one of Jason Poole's older 2005 reconstructions of H. lindae, you can see it on my website, here. In this reconstruction, the fins were not shaped correctly, and were supported by extra bones, the body tapers in a peculiar way, the opercular series, including the submandibularbranchialstegal (whew!) bone were too large, the jaw too jutting, the head the wrong shape and many of its bones reconstructed incorrectly. The water is a simple gradient. I feel that my newer reconstruction is a major improvement and has helped me grow as an artist. To see some of my other recent artwork, visit my Seven Stars page, where I am in the process of building an educational guide to a special Middle Devonian fossil locality where beginner through expert fossil hunters and paleontologists have enjoyed collecting fossils for more than half a century. The guide is far from done and will not be for a long while, but it includes diagrams, life reconstructions, identification guides, and information about many fossil groups. It was made with beginners in mind, but will be useful for experts too.
  4. Misha

    Tristichopterid skull element

    From the album: Misha's Late Devonian Fossils

    Langlieria radiatus Tristichopterid skull piece, possibly opercular Catskill Formation Fammenian Late Devonian Pennsylvania
  5. Hello everyone, I just got back from collecting some fossil sites in Pennsylvania yesterday. Among these was a Catskill Fm. site, while the fishy finds there weren't particularly plentiful, I did manage to find some other interesting stuff. While there I found these rocks which have unevenly spaced lumps scattered across the surface, on the other side the position of the lumps corresponds with round impressions in the rock. I initially thought this may be something like a layer full of concretions but with the dips on the other side of the rock I was wondering if it may be some kind of ichnofossil? If anyone has any ideas as to what this may be, I'd love to hear it, Thank you for looking! In the field: A closer look at the sample I took with me:
  6. Jeffrey P

    Megalicthys Scale

    From the album: Upper Devonian

    Megalicthys sp. Scale (about 1/2 inch) Upper Devonian Catskill Formation Duncannon Member Red Hill Hyner, PA.
  7. Jeffrey P

    Unidentified Devonian Fish Tooth

    From the album: Upper Devonian

    Unidentified Fish Tooth (1/3 inch) Upper Devonian Catskill Formation Route 15 Blossburg, PA.
  8. From the album: Upper Devonian

    Acanthodian and Placoderm Fin/Spines Upper Devonian Catskill Formation Duncannon Member Red Hill Hyner, PA.
  9. Jeffrey P

    Arthrodire Placoderm Armor Piece

    From the album: Upper Devonian

    Phyllolepis sp. Arthrodire Placoderm Armor Piece Upper Devonian Catskill Formation Duncannon Member Route 15 Steam Valley, PA.
  10. Jeffrey P

    Placoderm Dorsal FinIMG_8801

    From the album: Upper Devonian

    Turrisaspis elektor Placoderm Dorsal Fin Upper Devonian Catskill Formation Duncannon Member Red Hill Hyner, PA.
  11. Jeffrey P

    Palaeotrochoid Gastropod

    From the album: Upper Devonian

    Palaeotrochus sp. Palaeotrochoid Gastropod (flattened imprint) Upper Devonian Catskill Formation Irish Valley Member Selingsgrove, PA
  12. Jeffrey P

    Lobefin Fish Scales

    From the album: Upper Devonian

    Eusthenodon sp. Eotetrapodiformes Tristchopteridae Scales Uper Devonian Catskill Formation Duncannon Member Route 15 Steam Valley, PA.
  13. Jeffrey P

    Spinatrypa Brachiopods

    From the album: Upper Devonian

    Spinatrypa aspera Atrypid Brachiopods Upper Devonian Catskill Formation Irish Valley Member Selinsgrove, PA
  14. Jeffrey P

    Upper Devonian Lycopod Bark

    From the album: Upper Devonian

    Lycopod Bark Upper Devonian Catskill Formation Irish Valley Member Selinsgrove, PA.
  15. Fossildude19

    Turrisaspis dorsal fin/spine

    From the album: Fossildude's Upper Devonian Fish Fossils

    Turrisaspis sp. dorsal fin/spine Upper Devonian - Catskill Formation Rte. 15 roadcut - Upper Steam Valley Pennsylvania.

    © 2022 Tim Jones

  16. Fossildude19

    Bothriolepis hash plate

    From the album: Fossildude's Upper Devonian Fish Fossils

    Bits of Bothriolepis sp. Catskill Formation, Upper Devonian. Metzgers' Quarry, Canton, PA.

    © 2021 Tim Jones

  17. Fossildude19

    Another Turrisaspis sp. hash plate

    From the album: Fossildude's Upper Devonian Fish Fossils

    Turrisaspis sp. hash plate. Upper Devonian - Catskill Formation Rte. 15 roadcut - Upper Steam Valley Pennsylvania.

    © 2021 Tim Jones

  18. Fossildude19

    Turrisaspis sp. hash plate

    From the album: Fossildude's Upper Devonian Fish Fossils

    Catskill Fm. Rte 15 road cut. Upper Steam Valley Upper Devonian

    © 2021 Tim Jones

  19. Fossildude19

    Bothriolepis partial head shield

    From the album: Fossildude's Upper Devonian Fish Fossils

    Metzgers' Quarry, Canton, PA. Bothriolepis sp. head shield partial Catskill Formation

    © 2021 T. Jones

  20. Red Hill is a site I first went to 10 years ago with my son, Ian who was 10 at the time. It is a very deep road cut into the uppermost part of the Catskill Formation representing a late Fammenian river system that was draining the Acadian mountains to the east and emptying into the inland sea in western PA and OH. It is one of a handful of sites in the world where Devonian tetrapods have been found. The site has fossil layers in both channel margin (red layers) and flood plain (gray-green layers) facies. While it is an active research site and groups go there under the understanding that anything of scientific importance will be donated to the museum, there is a lot there that is redundant in the collections and we've been able to retain. In 2014, Ian found an exceptionally preserved moderately large osteolepiform, Hyneria (Tristichopteridae). Some of the material went into the re-description of Hyneria, much we have been allowed to take home. Since then the project has expanded to a search for more tetrapod material using the jackhammer and generator the museum purchased. This may require multiple posts. I'll start with the jaws recovered over 2014/15 seasons. This lens containing most of the head from apparently a single individual. Here Ian is working with Ted Daeschler and Doug Rowe (site manager) of the Academy Of Natural Sciences in Philadelphia. Here are some images of the jaw material after removal and after prep by Fred Mullison of the ANSP. Lower left jaw after removal. This is the lower right jaw (right) and the vomer and very impressive fang. Amazingly, in 2016, we went back. I was leading a trip for DVPS. Ian found this amazing but poorly prepped jaw (I did this one). Here are a pair of cleithrums, about 29 cm long. The attachments for the scapulocoracoid are clearly visible between 17 and 21 cm. Here is part of the parietal shield. More to follow.
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