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  1. scorpion hunter

    Abelisaurid tooth

    My 'Abelisaurid' tooth from the Anacleto Formation, Rio Ne.....gro Argentina. Initially identified as Carnotaurus, but I suppose rocks don't lie. Further 'research' leads me to believe that the Abelisaurus comahuensis could be the likely suspect(?) Acquired my first Dinosaur book when I was 7, my knowledge is limited but my fascination is endless. The tooth was legally acquired long before the restrictions that are now in place where brought in.
  2. Tidgy's Dad

    One Who Causes Fear.

    From BBC News : https://www.bbc.com/news/world-latin-america-56590733
  3. This Fossil came from the south coast of Buenos Aires in Argentina. The zone was formed 10,000 years ago during the last ice age. (NOTE!) this is not my fossil
  4. Hi everyone, I was recently offered this Giganotosaurus tooth. I was wondering if there was a way to distinguish it from carcharodontosaurus teeth from the kem kem beds? Or if anyone can share there opinion on this one, thank you.
  5. Troodon

    New Abelisaurid from Argentina

    Looks like Abelisaurid week in south america A new Abelisaurid is described here from the late Cretaceous of Argentina : Niebla antiqua For those collectors that have abelisaurid teeth from Argentina this species just adds to the complexity in trying to identify isolated teeth unfortunately its paywalled https://www.sciencedirect.com/science/article/abs/pii/S0895981120304582 Got some better photos
  6. I found these 3 silicified specimens of the extinct clam genus Myophorella, Order Trigoniida, in Cretaceous formations, near Chos Malal, Argentina, South America.
  7. Fossil of giant 70 million year-old fish found in Argentina (PhysOrg) De Pasqua, J.J., Agnolin, F.L. and Bogan, S., 2020. First record of the ichthyodectiform fish Xiphactinus (Teleostei) from Patagonia, Argentina. Alcheringa: An Australasian Journal of Palaeontology, pp.1-5. (Researchgate PDF) Yours, Paul H.
  8. I found these small colorful specimens of naturally polished petrified wood, which over millennia were sandblasted by the strong winds blowing across the Patagonia pampas of Argentina.
  9. doushantuo

    Carnotaurus

    1-s2.0-S1631068319301824-main.pdf novel information on the endocranial morphology of the abelisaurid theropod Carnotaurus sastrei Mauricio A Cerroni,Ariana Paulina Carabajal
  10. New Argentine fossils uncover history of celebrated conifer group Francisco Tutella, Penn State University, June 18, 2020 https://news.psu.edu/story/623337/2020/06/18/research/new-argentine-fossils-uncover-history-celebrated-conifer-group Rossetto‐Harris, G., Wilf, P., Escapa, I.H. and Andruchow‐Colombo, A., 2020. Eocene Araucaria Sect. Eutacta from Patagonia and floristic turnover during the initial isolation of South America. American Journal of Botany. https://www.researchgate.net/publication/341278103_Eocene_Araucaria_Sect_Eutacta_from_Patagonia_and_fl
  11. Saitta, E.T., Vinther, J., Crisp, M.K., Abbott, G.D., Kaye, T.G., Pittman, M., Bull, I., Fletcher, I., Chen, X., Collins, M.J. and Sakalauskaite, J., 2020. Non-avian dinosaur eggshell calcite contains ancient, endogenous amino acids. bioRxiv 2020.06.02.129999 preprint doi: https://doi.org/10.1101/2020.06.02.129999 https://www.biorxiv.org/content/10.1101/2020.06.02.129999v1 https://www.researchgate.net/publication/341881580_NON-AVIAN_DINOSAUR_EGGSHELL_CALCITE_CONTAINS_ANCIENT_ENDOGENOUS_AMINO_ACIDS https://www.researchgate.net/profile/Evan_Saitta
  12. Interesting discovery of a new theropod in South America: Overoraptor Chimentoi. Thought to be closely related to 'Rahonavis' from Madagascar; “...........would indicate that Overoraptor chimentoi and Rahonavis could form a new group of paravian runners, which would be closer to the birds than known raptor families.” http://www.sci-news.com/paleontology/overoraptor-chimentoi-08517.html
  13. Troodon

    New Abelisaurid from Argentina

    Abelsaurid diversity in Argentina keeps growing. This paper introduces us to Tralkasaurus cuyi from the Huincul Formation in the Río province of northern Patagonia. Articles https://paleonerdish.wordpress.com/2020/02/28/introducing-tralkasaurus-cuyi-the-thunder-lizard/ https://www.dailymail.co.uk/sciencetech/article-8004941/Argentine-researchers-distant-Tyrannosaurus-rex-relative.html Paywalled Paper https://www.sciencedirect.com/science/article/abs/pii/S0895981119304766
  14. Cool Discovery of armadillos in Argentina, possibly glyptodonts. https://metro.co.uk/2020/02/21/ancient-armadillo-size-car-discovered-dried-riverbed-12279638/
  15. paulyb135

    Argentine tooth ID

    Hello Everyone, I have had this beautiful Argentine theropod tooth for 18 months now and the previous owner 25-30 years before the ban was introduced. The locality information is a bit flakey, however I thought it would be worth a try to get some kind of ID if possible if there are any Argentine friends out there with some information to hand. I have taken some measurements as follows: Distal - 12 per 5mm Mesial - 12 per 5mm MCL - 18mm MCW - 10mm crown height - 39mm If any further measurements are n
  16. https://api.nationalgeographic.com/distribution/public/amp/science/2020/02/oldest-ever-fossil-bee-nests-discovered-in-patagonia Be warned there is a bee pun...
  17. Last week I spent ten days visiting Argentina. Most of that time was spent in Patagonia. Argentina does not allow any private fossil collecting, so this wasn't going to be that kind of trip. On our way back from visiting a penguin colony at Punta Tombo we stopped in Trelew whose number one attraction is the Museo Paleontoligico Egidio Feruglio. It primarily features fossils from Patagonia, dinosaurs and mammals, plus Permian age plants, petrified wood, etc. I got to spend a quick hour there and took some photos. Most of the labels were in Spanish and I didn't have time to take notes. Hope you
  18. Troodon

    New Allosauroid from Argentina

    We do not hear much about Jurassic material from Argentina. Presented in this paper is a probable basal allosauroid from the early Middle Jurassic Asfalto Formation of Argentina...let's all welcome Asfaltovenator vialidadi https://www.nature.com/articles/s41598-019-53672-7#disqus_thread Check out those claws
  19. A new paper is available online that will shock you: Agnolin, F.L., and Ezcurra, M.D., 2019. The validity of Lagosuchus talampayensis Romer, 1971 (Archosauria, Dinosauriformes), from the Late Triassic of Argentina. Breviora, 565(1), 1-21. https://bioone.org/journals/Breviora/volume-565/issue-1/0006-9698-565.1.1/THE-VALIDITY-OF-LAGOSUCHUS-TALAMPAYENSIS-ROMER-1971-ARCHOSAURIA-DINOSAURIFORMES-FROM/10.3099/0006-9698-565.1.1.short?tab=ArticleLink The paper by Agnolin and Ezcurra revalidating Lagosuchus talampayensis as distinct from other non-dinosaurian dinosauromorphs and
  20. Rcotton1

    Tree 07 4.jpg

    From the album: 1925 Body & Trace Fossil Collection - Vegitation

    Weighs in at 435 g I am using my phone to take these pics. Please let me know if this is any better?
  21. Rcotton1

    Tree 07 3.jpg

    From the album: 1925 Body & Trace Fossil Collection - Vegitation

    Weighs in at 435 g I am using my phone to take these pics. Please let me know if this is any better?
  22. Rcotton1

    Tree 07 2.jpg

    From the album: 1925 Body & Trace Fossil Collection - Vegitation

    Weighs in at 435 g I am using my phone to take these pics. Please let me know if this is any better?
  23. Rcotton1

    Tree 07 1.jpg

    From the album: 1925 Body & Trace Fossil Collection - Vegitation

    Weighs in at 435 g I am using my phone to take these pics. Please let me know if this is any better?
  24. Rcotton1

    Berries 3.jpg

    From the album: 1925 Body & Trace Fossil Collection - Vegitation

    The majority of these berries are ground cherries from about 52 Ma years ago with the fruit fossilized. This is very rare to have so many specimens with the soft fruit still attached to the host.
  25. Rcotton1

    Fish 10.JPG

    From the album: 1925 Body & Trace Fossil Collection - Ocean

    These three fish specimens are a little harder to see in the pictures but if you tilt the fossils just right you can see the outlines much better. These were only labeled "fish" so I have not researched the species of fish found thus far in Argentina. Out of context you would really have to look hard to see the fossils. Please let me know if I should shoot these a bit differently?
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