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Hi all! This time I'd like to inform you on a short, but diverse trip to several Volga river locations. The finds were not too impressive unlike the weather, endless fields and various outcrops. First I went to the southern part of Ulyavovsk Volgian shore: (These are Hauterivian concretions. They are roundish in form) These are Volgian Volgian boulders Beige rocks are Volgian, overlaying black clay is Hauterivian. Volgian section ends nearby (to the left) as the corresponding rocky layers gradually go underground
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i found this along the coast of gerringong along with some spiriferida fossils, i have absolutely no idea what it is and also sorry for the bad photos my phone cannot do any better
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Permian Reptiliomorphs Discosauriscus
Lucid_Bot posted a topic in Is It Real? How to Recognize Fossil Fabrications
Howdy! I'm looking to purchase these plates of Discosauriscus from the Permian of Moravia, Czech Republic. They are from the limnic deposits. There is supposedly no repair or restoration. Thank you.- 5 replies
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Dimetrodon Finger with Claw
Lucid_Bot posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hello, I was hoping someone could let me know if these fossils are genuine Dimetrodon from Archer County, TX Nocona Formation. Thanks!- 16 replies
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The Permian-Triassic Extinction event of 252 Million Years (caused by massive volcanic eruptions in what is now Siberia) was one of the biggest mass extinctions in Earth's history (killing 75% of all land genera and 95% of all marine genera). The event marked the end of the Paleozoic and the beginning of the Mesozoic. Famous survivors of the extinction event include the Dicynodont Lystrosaurus, the Therocephalians Moschorhinus, Promoschorhynchus, and the Cynodont Thrinaxodon. But one group of terrestrial survivors of the extinction event which would have a massive ecological impact in the Mesozoic are the Diapsida or the Diapsid reptiles. The Diapsids emerged during the Pennsylvanian stage of the Carboniferous era 302 Million Years ago and includes the Archosaurs. This resilient group not only survived the extinction event but experienced a rapid period of diversification during the Triassic and gave rise to the non-avian dinosaurs, the crocodilians, and eventually the avian dinosaurs the birds. Luckily for all of us, this remarkable group continues to thrive today. Here’s a list of all currently known Diapsid reptile genera and families that survived the Permian-Triassic Extinction Event. If I forget any examples, please let me know and I'll add the examples to the list promptly. Neodiapsida Palacrodon (Neodiapsid) (Late Permian-Late Triassic, 252.3-205.6 Million Years ago) http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=37821 https://bpb-eu-w2.wpmucdn.com/blogs.bristol.ac.uk/dist/1/555/files/2021/03/2020Romano.pdf https://onlinelibrary.wiley.com/doi/abs/10.1111/joa.13770 Drepanosauromorpha https://www.researchgate.net/publication/320327662_A_bird-like_skull_in_a_Triassic_diapsid_reptile_increases_heterogeneity_of_the_morphological_and_phylogenetic_radiation_of_Diapsida Weigeltisauridae https://www.researchgate.net/publication/225192300_New_data_on_the_morphology_of_permian_gliding_weigeltisaurid_reptiles_of_Eastern_Europe https://www.palass.org/sites/default/files/media/publications/palaeontology/volume_31/vol31_part4_pp951-955.pdf Younginiformes Tangasauridae Hovasaurus (Tangasaurid) (Late Permian-Early Triassic, 252.3-247.2 Million Years ago) http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=37802 https://pubs.geoscienceworld.org/cjes/article-abstract/41/1/1/53678/New-reptile-material-from-the-Lower-Triassic-of Kenyasaurus (Tangasaurid) (Late Permian-Early Triassic, 252.3-247.2 Million Years ago) http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=37805 https://www.researchgate.net/publication/237169170_New_reptile_material_from_the_Lower_Triassic_of_Madagascar_Implications_for_the_Permian-Triassic_extinction_event Lepidosauromorpha https://royalsocietypublishing.org/doi/full/10.1098/rspb.2021.1084 Archeosauriformes Ichthyosauromorpha https://www.cell.com/current-biology/fulltext/S0960-9822(22)01990-X Proterosuchidae Proterosuchus (Proterosuchid) (Late Permian-Early Triassic, 252.3-247.2 Million Years ago) http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=80904 https://nasmus.co.za/wp-content/uploads/2019/01/Modesto-and-Botha-Brink-2008.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4820772/ https://core.ac.uk/download/pdf/33528314.pdf https://www.researchgate.net/publication/233304760_Osteohistology_of_the_Triassic_Archosauromorphs_Prolacerta_Proterosuchus_Euparkeria_and_Erythrosuchus_from_the_Karoo_Basin_of_South_Africa https://www.currentscience.ac.in/Volumes/120/11/1749.pdf https://www.researchgate.net/publication/346735054_The_origin_of_endothermy_in_synapsids_and_archosaurs_and_arms_races_in_the_Triassic https://royalsocietypublishing.org/doi/10.1098/rsos.230387 Vonhuenia (Archosaurid, possible Proterosuchid) (Late Permian-Early Triassic, 252.3-250 Million Years ago) https://bpb-eu-w2.wpmucdn.com/blogs.bristol.ac.uk/dist/1/555/files/2021/03/2020Romano.pdf https://royalsocietypublishing.org/doi/10.1098/rsos.230387 Microcnemus (Protersuchid) (Late Permian-Early Triassic, 252.3-247.2 Million Years ago) http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=37535 https://www.researchgate.net/publication/321853963_Sequence_of_Permian_Tetrapod_Faunas_of_Eastern_Europe_and_the_Permian-Triassic_Ecological_Crisis http://www.palaeontologia.pan.pl/PP65/PP65_203-234.pdf https://www.researchgate.net/publication/226333243_New_Tanystropheids_Reptilia_Archosauromorpha_from_the_Triassic_of_Europe https://bpb-eu-w2.wpmucdn.com/blogs.bristol.ac.uk/dist/1/555/files/2021/03/2020Romano.pdf Prolacertidae Prolacerta (Prolacertid) (Late Permian-Early Triassic, 252.3-251.3 Million Years ago) http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=38193 https://www.tandfonline.com/doi/abs/10.1080/02724634.2018.1536664 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4450940/ https://nasmus.co.za/wp-content/uploads/2019/01/Modesto-and-Botha-Brink-2008.pdf https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.170499 https://www.researchgate.net/publication/346735054_The_origin_of_endothermy_in_synapsids_and_archosaurs_and_arms_races_in_the_Triassic https://www.app.pan.pl/archive/published/app68/app010672023.pdf I hope you all found this helpful!!!
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- diapsid
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The Permian-Triassic Extinction event of 252 Million Years (caused by massive volcanic eruptions in what is now Siberia) was one of the biggest mass extinctions in Earth's history (killing 75% of all land genera and 95% of all marine genera). The event marked the end of the Paleozoic and the beginning of the Mesozoic. Famous survivors of the extinction event include the Dicynodont Lystrosaurus, the Therocephalians Moschorhinus, Promoschorhynchus, and the Cynodont Thrinaxodon. One surprising group of terrestrial survivors of the extinction event sometimes overlooked are the Parareptilia, also known as the Parareptiles. The Parareptiles were an ancient group of sauropsids that emerged during the Pennsylvanian stage of the Carboniferous 306 Million Years ago and are a sister taxon to Eureptilia. The Parareptiles reached their ecological zenith during the Permian with some becoming small aquatic predators while others like the Pareiasaurs became 9 foot long, 2,200 lbs herbivores. The Permian-Triassic Extinction Event decimated the group's initial diversity, but a few smaller and more generalist parareptiles survived the event and briefly diversified again before becoming extinct 201.3 Million Years ago at the end of the Triassic. Here’s a list of all currently known Parareptile genera and families that survived the Permian-Triassic Extinction Event. If I forget any examples, please let me know and I'll add the examples to the list promptly. Procolophonomorpha Procolophonidae Sauropareion (Procolophonid) (Late Permian-Early Triassic, 252.3-2247.2 Million Years ago) http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=139841 https://nasmus.co.za/wp-content/uploads/2019/01/Botha-et-al-2007a.pdf https://www.researchgate.net/publication/254314303_New_Information_on_the_Skull_of_the_Early_Triassic_Parareptile_Sauropareion_anoplus_with_a_Discussion_of_Tooth_Attachment_and_Replacement_in_Procolophonids Owenettidae Owenetta (Owenettid) (Late Permian-Early Triassic, 254.0-251.3 Million Years ago) http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=37521 https://nasmus.co.za/wp-content/uploads/2019/01/Botha-et-al-2007a.pdf https://www.jstor.org/stable/4524219 Barasaurus (Owenettid) (Late Permian-Early Triassic, 252.3-247.2 Million Years ago) http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=37519 https://www.researchgate.net/publication/237169170_New_reptile_material_from_the_Lower_Triassic_of_Madagascar_Implications_for_the_Permian-Triassic_extinction_event I hope you all found this helpful!!!
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Permian Reptile Captorhinus Fake Again?
Lucid_Bot posted a topic in Is It Real? How to Recognize Fossil Fabrications
Now this will really sadden me if it's fake. It's a Permian Period Captorhinus reptile from Lawson, Oklahoma. Please give me some good news.- 65 replies
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Strange Sandstone Cylinders Found in the Lower Permian Glorieta Sandstone, Northern New Mexico
Oxytropidoceras posted a topic in Fossil News
Lucas, S.G., DiMichele, W.A. and Karnes, J.M., Unusual Sandstone Cylinders from the Lower Permian Glorieta Sandstone, Northern New Mexico. New Mexico Geology. vol. 44, no. 3, pp. 63-75. New Mexico Geology Volume 44, Number 3 - Full Issue New Mexico Geology — Back-issues Yours, Paul H.-
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Found digging in luther, oklahoma known area for Permian concreations and horn coral fossils. Item found was cemented in sandstone after soaking for 6 months and powerwashing with 3300psi this is results. One had thought it resembled a permian basin sponge colony also a few other items found in the are of digging James 20230811_112646.mp4
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found this clam fossil around black head reserve, Gerroa near kiama any idea what species
pierre liew posted a topic in Fossil ID
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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Shark Spine Orthocanthus compresus Permian Oklahoma
JamieLynn posted a gallery image in Member Collections
From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds
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From the album: Oklahoma Permian Fossil Finds