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Found 72 results

  1. Unknown Fish IDs

    I am currently going through some of the fossils I bought when I was a kid. The fossils I am looking to potentially have ID’d are a few fish fossils that I bought from a couple museum gift shops. For this reason, I do not have much info on them which I realize could hurt my chances of getting them ID’d. I thought I would give it a shot and see if anyone recognized these fish. 1. Fish from Brazil during the Cretaceous 2. Fish of unknown location and age 3. Fish of unknown location and age
  2. From the album fish

    Vinctifer comptoni Lower Cretaceous (Santana Formation) of Brazil
  3. From the album fish

    Rhacolepis bucchalis Agassiz, 1841 Lower Cretaceous (Santana Formation) of Brazil
  4. From the album fish

    Tharrhias araripis Cretaceous Early Aptian Santana Group Romualdo Formation Ceará Brazil
  5. Good morning folks. I have what I believe is Vinctifer (Gar) species fossil fish. It was listed only as "Fossil fish, Brazil" and was located in Brazil. My research reflects it's from the Cretaceous, Santana Formation, Brazil. The fish appears to be "belly up". I carefully removed some matrix to see if the hidden portion was sill there, but gave up as the matrix is too hard. It will be glued back. Am I off base with the ID? Help please.
  6. Hi everyone! I've been looking at this fossil and have been interested in acquiring it, but I wanted to post some photos and see what you think. Is it real of fake? Thanks for your time!
  7. Irritator neuroanatomy paper

    A new study came out about Irritator where they scanned the skull to get a brain endocast. The paper itself is open access and so are the 3d files! I guess I know what I'll be 3d printing soon... Open access paper https://www.nature.com/articles/s41598-020-66261-w scan files: https://www.morphosource.org/Detail/SpecimenDetail/Show/specimen_id/28531
  8. 110-Million-Year-Old Treasure Found by Scientists – “Something That Was Thought to Be Impossible” University of Portsmouth, February 25, 2020 https://scitechdaily.com/110-million-year-old-treasure-found-by-scientists-something-that-was-thought-to-be-impossible/ Roberts, E.A., Seyfullah, L.J., Loveridge, R.F., Garside, P. and Martill, D.M., 2020. Cretaceous gnetalean yields first preserved plant gum. Scientific reports, 10(1), pp.1-6. DOI: 10.1038/s41598-020-60211-2 https://www.nature.com/articles/s41598-020-60211-2 https://researchportal.port.ac.uk/portal/files/19771199/Cretaceous_gnetalean_yields.pdf https://www.researchgate.net/publication/339482508_Cretaceous_gnetalean_yields_first_preserved_plant_gum https://www.researchgate.net/profile/Leyla_Seyfullah Yours, Paul H.
  9. is it a Dinosaur Egg ?

    Hi all, Dear experts, first of all I would like to acknowledge to everyone that keeps the Fossil forum alive ! It's awesome. Secondly, I would like to share with you what I have here, I took this egg shape rock ( at least I think it is a rock) back in Brazil, Peruibe close to Jureia Ecological State- when I was kayaking in 1989-1990 ....since them I've been carrying it with me and I always thought if someone could tell me if it is a dinosaur egg or just a rock. If someone can give me an expert opinion I would really appreciate. Thank you, Claudio
  10. Araripelepidotes temnurus Agassiz 1841

    From the album Vertebrates

    Araripelepidotes temnurus Agassiz 1841 Lower Cretaceous Aptian, Santana Formation Chapado do Araripe, Ceara Province, Brazil Length 40cm / 16"
  11. it's what you wear

    Tooth wear and microwear of theropods from the Late Maastrichtian Marılia Formation (Bauru Group), Minas Gerais State, Brazil Carlos Roberto A. Candeiro, Philip J. Currie, Caio L. Candeiro and Lılian P. Bergqvist Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 106, 229–233, 2017 candeircurriedinosaattriboldentittooth_wearcretac_theropods_maastrichtianmminasgeraisbrazil.pdf
  12. Who can help ?

    Dear all, Let me briefly introduce myself; My name is Marc, living in the south of the Netherlands, i'm 52 (not yet a fossil), I'm a chemical engineer working 5 days a week.... I'm new to fossil collecting; I'm a mineral collector but I recently purchased a collection of minerals among which some fossils. Most of them where labeled, except a few. I've attached a fossil fish and I hope anybody can help me with the determination. The label said "Fossil Fish, Brazil". That's all…... The size is approximately 15" (40 cm). Google search didn't help me solving this question. Thank, Marc
  13. What is this?

    Can anyone tell me what this is?
  14. The first finding of fossilised plant gum has been found in the Crato Formation of Brazil. Belonging to the extinct plant Welwitschiophyllum brasiliense it is dated from around 110 mya. Here is an article about the finding http://www.sci-news.com/paleontology/fossilized-plant-gum-08163.html The scientific paper is listed below and is open access https://www.nature.com/articles/s41598-020-60211-2
  15. Hello everyone, I've looked for a paper about mesosaurs from Brazil but did't find anything online. Does anybody know how can I tell the difference between the two species of mesosaurs found in those permian sediments (Mesosaurus brasiliensis and Stereosternum tumidum)? Thanks
  16. This is very cheap and has some red flags eg patch of resto in the middle but what do you guys think of the rest
  17. Santana formation fish

    Hello all Today this fish came in my mailbox together with a specimen of Rhacolepis buccalis. This fish does not seem to be of the same species, but the skull, fins and tail are in bad shape or even absent. Most of the 'skin' is gone, uncovering some of the bones beneath. I know this will make it hard to ID, but maybe one of the fish experts can help me out. It's from the Cretaceous Santana formation of Brazil and it's about 21 cm long. Thanks in advance.
  18. Get Lost in Mega-Tunnels Dug by South American Megafauna By Andrew Jenner, March 28, 2017 https://www.discovermagazine.com/planet-earth/get-lost-in-mega-tunnels-dug-by-south-american-megafauna This Massive Tunnel in South America Was Dug by Ancient Mega-Sloths, BEC Crew, Science alerts, April 1, 2017 https://www.sciencealert.com/this-massive-tunnel-in-south-america-was-dug-by-ancient-mega-sloths Some online PDFs of papers are: Frank, H.T., Buchmann, F.S.C., Lima, L.G., Fornari, M., Caron, F. and Lopes, R.P., 2012. Cenozoic vertebrate tunnels in southern Brazil. Ichnology of Latin America: selected papers, 2, pp.141-158. http://www.ufrgs.br/paleotocas/Frank_et_al_2012.pdf Frank, H.T., Althaus, C.E., Dario, E.M., Tramontina, F.R., Adriano, R.M., Almeida, M.D.L., Ferreira, G.F., Nogueira, R. and Breier, R., 2017. Underground chamber systems excavated by Cenozoic ground sloths in the state of Rio Grande do Sul, Brazil. Revista Brasileira de Paleontologia, 18(2), pp.273-284. http://www.ppegeo.igc.usp.br/index.php/rbp/article/download/10000/9330 http://www.ppegeo.igc.usp.br/index.php/rbp/article/view/10000 Lopes, R.P., Frank, H.T., Buchmann, F.S.D.C. and Caron, F., 2017. Megaichnus igen. nov.: giant paleoburrows attributed to extinct Cenozoic mammals from South America. Ichnos, 24(2), pp.133-145. https://www.researchgate.net/publication/308171281_Megaichnus_igen_nov_Giant_Paleoburrows_Attributed_to_Extinct_Cenozoic_Mammals_from_South_America https://www.researchgate.net/profile/Francisco_Buchmann Buchmann, F.S. Frank, H.T., Ferreira, G.F., and Cruz, E.A., 2016, Evidência de vida gregária em paleotocas atribuídas a mylodontidae (preguiças- gigantes). Revista Brasileira de Paleontologia. v. 19 (2). pp. 259-270 https://www.researchgate.net/publication/307526053_Evidencia_de_vida_gregaria_em_paleotocas_atribuidas_a_Mylodontidae_preguicas-gigantes https://www.researchgate.net/profile/Francisco_Buchmann Frank, H.T., Lima, L.G., Gerhard, N.P., Caron, F., Buchmann, F.S.C., Fornari, M. and Lopes, R.P., 2013. Description and interpretation of Cenozoic vertebrate ichnofossils in Rio Grande do Sul State, Brazil. Revista Brasileira de Paleontologia, 16(1), pp.83-96. https://www.researchgate.net/publication/273975528_Description_and_interpretation_of_Cenozoic_vertebrate_ichnofossils_in_Rio_Grande_do_Sul_State_Brazil https://www.researchgate.net/profile/Francisco_Buchmann Yours, Paul H.
  19. From the album Insects

    grasshopper, of the order Orthoptera, early Albian age, about 108 million years ago, from the Crato Formation, Brazil
  20. New Triassic Dino from Brazil

    A very well preserved herrerasaurid dinosaur, Gnathovorax cabreirai is described in the attached paper. For us collectors it gives us clues around Carnian age teeth. Unfortunately most of the teeth available to collectors are Norian or earlier in age. https://peerj.com/articles/7963/ Unfortunately the paper does not do a great job describing the teeth, here is what we have: "All tooth crowns are blade like, caudally curved and labiolingually compressed. The premaxillay and dentary teeth lack serrations in their mesial margins. However, in the distal margin there are small serrations that form a right angle with the main axis of the tooth. In the maxillary teeth the serration occur in both margins."
  21. Cretaceous Fish from Brazil?

    Hi I'm looking at this Fish Fossil from the web. Anyone know what species is it? It is around 7 inches long and the following are the location details: Period: Cretaceous - Early Cenomanian Formation: Santana Formation Location: Regiao de Ceara, Araripe Basin, Brazil
  22. Cretaceous Brazil fish id

    Hi Everyone! I need help identifying a fish concretion from the Cretaceous of Brazil. I think it's a species of Rhacolepis but I don't know for certain. The thing is, I was given this by an elderly friend of my dad's over 10 years ago after this fellow heard I like fossils. He told me he got this at a flea market several decades ago and that it was from the Brazilian Cretaceous but he didn't remember what species it was. Then he moved away and passed a couple months later. Definitely one of the stranger ways I've acquired a specimen, but it's the best fish I have (it came with both halves and is pretty three dimensional) and I'd love to know what exactly it is. Hopefully the pictures are decent.
  23. New Theropod from Brazil

    Noasaurinae represents an enigmatic group of small-bodied predatory theropod dinosaurs best known from the iconic Masiakasaurus knopfleri, from the latest Cretaceous (Maastrichtian) of Madagascar. This paper describes a new species from Brazil, Velocisaurus paranaensis . This paper might be a good reference source for material found in the Kem Kem of Morocco since Deltadromeus agilis or may be possibly related to Noasaurinae. Systematic: Abelisauroidea (Bonaparte and Novas, 1985) Noasauridae Bonaparte & Powell, 1980) Noasaurinae (Bonaparte & Powell, 1980) Vespersaurus paranaensis gen. et sp. nov. Blog https://blogs.plos.org/paleocomm/2019/07/24/one-toed-brazilian-dinosaur-dashed-across-ancient-deserts/#.XTiKnGdIBTA.twitter Paper https://www.nature.com/articles/s41598-019-45306-9
  24. The battle to rebuild centuries of science after an epic inferno Nearly a year after flames consumed Brazil’s National Museum in Rio de Janeiro, researchers are struggling to revive their work and resume their lives. Emiliano Rodríguez Mega, Nature News. https://www.nature.com/articles/d41586-019-02141-2 Yours, Paul H.
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