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#fossilfriday

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The Dinosaur Dave<p>This weeks <a href="https://sauropods.win/tags/Lego" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Lego</span></a> <a href="https://sauropods.win/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> is <a href="https://sauropods.win/tags/Wintonotitan" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wintonotitan</span></a> </p><p>In 1974, Keith Watts found a left shoulder blade, much of the forelimbs, a number of back, hip, and tail vertebrae, part of the right hip, ribs, chevrons, and unidentifiable fragments. </p><p>These fossils were given the name Austrosaurus sp, Austrosaurus being the only named sauropod from Australia at the time.</p><p>In 2009, Hocknull et al. found these fossils differed enough from Austrosaurus to give them a new name, Wintonotitan wattsi.</p>
Marcus Brandel<p>🐴 <a href="https://ecoevo.social/tags/LostBones" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LostBones</span></a> <a href="https://ecoevo.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> 🐟🐘🦥🐪 In the summer of 2012, students from the Geology Department at Gustavus Adolphus College collected over 800 bones on the Des Moines River near Jackson, Minnesota. </p><p>This crunchy but beautiful left horse femur was part of the project and is now housed at the Jackson County Historical Society in Lakefield.</p><p>Jackson County: <a href="http://www.jchsmn.org" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">http://www.</span><span class="">jchsmn.org</span><span class="invisible"></span></a><br>Lost Bones: <a href="https://medium.com/@dbrake40" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">medium.com/@dbrake40</span><span class="invisible"></span></a></p><p><a href="https://ecoevo.social/tags/pleistocene" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pleistocene</span></a> <a href="https://ecoevo.social/tags/equus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>equus</span></a> <a href="https://ecoevo.social/tags/femur" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>femur</span></a> <a href="https://ecoevo.social/tags/palaeontology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>palaeontology</span></a> <a href="https://ecoevo.social/tags/shareyourdiscovery" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>shareyourdiscovery</span></a> <a href="https://ecoevo.social/tags/citizenscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>citizenscience</span></a></p>
Historical Biology<p>For <a href="https://mastodon.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a>, we have a fossil from our editor Roger Thomas.</p><p>This fossil is USNM 617253cp; showing the Early Cambrian stem-gastropod Pelagiella exigua from the Kinzers Formation in Pennsylvania, USA 🐚</p>
Alberto<p>Hoy, para celebrar <a href="https://masto.es/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> visita al Museo de Molina (Molina de Aragón - Guadalajara) Una colección de fósiles muy interesante, destacando la historia geológica del Geoparque.<br><a href="https://museosdemolina.es/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">museosdemolina.es/</span><span class="invisible"></span></a></p>
Dr Daniela E. Winkler<p>Great collaboration with <span class="h-card" translate="no"><a href="https://blueplanet.social/@etschopp" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>etschopp</span></a></span> (FU Berlin), Andre Saleiro (University NOVA, Lisbon) &amp; partners from LIB Hamburg! Niche partitioning in 3 Jurassic sauropod faunas revealed using dental microwear texture analysis.<br>We find hints of migratory behaviour for camarasaurids, and a distinct habitat effect for sauropods from Tendaguru - likely due to sand from a nearby desert that settled on forage plants.<br><a href="https://rdcu.be/ewN7L" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">rdcu.be/ewN7L</span><span class="invisible"></span></a><br><a href="https://ecoevo.social/tags/DinoScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DinoScience</span></a> <a href="https://ecoevo.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> ‪@freieuniversitaet.bsky.social ‪@uni-kiel.de</p>
History_of_Geology<p>July 18, 1950, died <a href="https://mstdn.social/tags/OTD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OTD</span></a> American geologist Mignon Talbot, the first woman to find and describe a dinosaur species in 1910 - Podokesaurus holyokensis - now the official State <a href="https://mstdn.social/tags/Dinosaur" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Dinosaur</span></a> of <a href="https://mstdn.social/tags/Massachusetts" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Massachusetts</span></a> 🦖 <a href="https://mstdn.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a></p><p><a href="https://facebook.com/909295202471803/photos/a.909300642471259.1073741829.909295202471803/1048997028501619?type=3&amp;theater&amp;fbclid=IwY2xjawLm6HRleHRuA2FlbQIxMABicmlkETA4a2JmTTBaUkdJbHlPc2FRAR4L3PP5FGIyCkRK7DtFLL0Hpy7_KDJHm6QEIuWfRwS7UbXtFCJ4GRUlR6d1Sw_aem_eW-L2McRhKR6wUwWXtRQMQ" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">facebook.com/909295202471803/p</span><span class="invisible">hotos/a.909300642471259.1073741829.909295202471803/1048997028501619?type=3&amp;theater&amp;fbclid=IwY2xjawLm6HRleHRuA2FlbQIxMABicmlkETA4a2JmTTBaUkdJbHlPc2FRAR4L3PP5FGIyCkRK7DtFLL0Hpy7_KDJHm6QEIuWfRwS7UbXtFCJ4GRUlR6d1Sw_aem_eW-L2McRhKR6wUwWXtRQMQ</span></a></p>
idw_online<p>🦖 Dino teeth tell stories: Microscopic wear marks reveal what sauropods ate—and that Camarasaurus likely migrated seasonally! 🌿🧳 New study uses dental wear to uncover Jurassic behavior: <a href="https://t1p.de/zkyb3" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">t1p.de/zkyb3</span><span class="invisible"></span></a> 🦷✨ <a href="https://idw-online.social/tags/DinoScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DinoScience</span></a> <a href="https://idw-online.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a><br><a href="https://nachrichten.idw-online.de/2025/07/18/was-dinozaehne-ueber-das-leben-vor-150-millionen-jahren-verraten" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nachrichten.idw-online.de/2025</span><span class="invisible">/07/18/was-dinozaehne-ueber-das-leben-vor-150-millionen-jahren-verraten</span></a></p>
The Dinosaur Dave<p>This week for <a href="https://sauropods.win/tags/Fossilfriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fossilfriday</span></a> we have another <a href="https://sauropods.win/tags/Guess" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Guess</span></a> that <a href="https://sauropods.win/tags/Lego" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Lego</span></a> <a href="https://sauropods.win/tags/Fossil" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fossil</span></a>. </p><p>This one I would rate as easy. This Australian sauropod is named after where it was found.</p><p>Reminder: hide your answer behind a content warning. This will allow others to guess without a hint. I will post the answer tomorrow (and to anyone who guesses correctly).</p><p>This was designed by Panlos Bricks</p>
The Dinosaur Dave<p>This weeks <a href="https://sauropods.win/tags/Lego" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Lego</span></a> <a href="https://sauropods.win/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> is <a href="https://sauropods.win/tags/Aegirosaurus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Aegirosaurus</span></a> </p><p>In the mid 1800s, a marine reptile fossil was found in Bavaria, Germany by Dr. Oberndorfer.</p><p>In 1853, Dr. Johann Andreas Wagner named the "the Oberndorfer specimen", Ichthyosaurus leptospondylus</p><p>During WW2 the holotype was destroyed during a bombing raid.</p><p>In 2000, Nathalie Bardet and Marta Fernandez named a neotype from a private collection. They renamed the species Aegirosaurus leptospondylus</p>
Marcus Brandel<p>🐊 A special back-to-our-roots <a href="https://ecoevo.social/tags/Minnesota" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Minnesota</span></a> <a href="https://ecoevo.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> 🐴🐟🐘🦥🐪Terminonaris robusta (originally classified as Teleorhinus). A partial snout of Terminonaris was excavated in 1969 at the Hill Annex Mine - the same site where the claw of a dromaeosaur was found in 2015.</p><p>The excerpt here was published in a 1983 issue of Minnesota Conservation Volunteer. Vintage paleoart by Ken Sander.</p><p><a href="https://ecoevo.social/tags/Cretaceous" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cretaceous</span></a> <a href="https://ecoevo.social/tags/Crocodile" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Crocodile</span></a> <a href="https://ecoevo.social/tags/Terminonarusrobusta" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Terminonarusrobusta</span></a> <a href="https://ecoevo.social/tags/Palaeontology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Palaeontology</span></a> <a href="https://ecoevo.social/tags/CitizenScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CitizenScience</span></a></p><p>More <a href="https://ecoevo.social/tags/LostBones" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LostBones</span></a> <a href="https://medium.com/@dbrake40" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">medium.com/@dbrake40</span><span class="invisible"></span></a></p>
Kate :verigold:<p>Ancient bone-eating worms ate mosasaur, ichthyosaur and plesiosaur skeletons <a href="https://phys.org/news/2025-07-ancient-bone-worms-ate-mosasaur.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-07-ancient-</span><span class="invisible">bone-worms-ate-mosasaur.html</span></a> 🐋 <a href="https://mstdn.social/tags/Cetaceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cetaceans</span></a> <a href="https://mstdn.social/tags/MarineMammals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineMammals</span></a> <a href="https://mstdn.social/tags/MarineLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineLife</span></a> <a href="https://mstdn.social/tags/MarineBiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineBiology</span></a> <a href="https://mstdn.social/tags/Whales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Whales</span></a> <a href="https://mstdn.social/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a> <a href="https://mstdn.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a></p>
llewelly<p><span class="h-card" translate="no"><a href="https://saturation.social/@clive" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>clive</span></a></span> </p><p>I searched for "Stegosaurus" and got _Osteology of the Armored Dinosauria_ by Charles Whitney Gilmore , 1914</p><p>A link to the internet archive copy, bc reasons: <br><a href="https://archive.org/details/osteologyofarmor00gilm/page/n6/mode/2up" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">archive.org/details/osteologyo</span><span class="invisible">farmor00gilm/page/n6/mode/2up</span></a></p><p>I think this volume is still referenced by paleontologists working on stegosaurs today; see for example the description of Miragaia</p><p><a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC2674496/pdf/rspb20081909.pdf" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">pmc.ncbi.nlm.nih.gov/articles/</span><span class="invisible">PMC2674496/pdf/rspb20081909.pdf</span></a></p><p>and search for Gilmore</p><p><a href="https://sauropods.win/tags/dinosaurs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dinosaurs</span></a><br><a href="https://sauropods.win/tags/stegosaurs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>stegosaurs</span></a><br><a href="https://sauropods.win/tags/fossils" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossils</span></a><br><a href="https://sauropods.win/tags/armoredDinosaurs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>armoredDinosaurs</span></a><br><a href="https://sauropods.win/tags/fossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossilFriday</span></a></p>
Bob<p>Another piece of Cotswold limestone loaded with Jurassic life<br><a href="https://mastodon.world/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> <a href="https://mastodon.world/tags/fossils" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossils</span></a> <a href="https://mastodon.world/tags/cotswolds" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cotswolds</span></a></p>
Fer Castano<p><a href="https://mastodon.online/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> ‘I’m interested in pushing the frontiers of science, not sailing my boat on calm seas. If you’re worried about storms, you shouldn’t be on the ship. Frankly, I find storms exciting.’<br>Elizabeth Vrba (1942–2025). Image: University of Michigan <a href="https://mastodon.online/tags/womeninSTEM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>womeninSTEM</span></a> <a href="https://mastodon.online/tags/evolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>evolution</span></a> <br><a href="https://paleonerdish.wordpress.com/2025/06/27/the-legacy-of-elizabeth-vrba/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">paleonerdish.wordpress.com/202</span><span class="invisible">5/06/27/the-legacy-of-elizabeth-vrba/</span></a></p>
The Dinosaur Dave<p>This weeks <a href="https://sauropods.win/tags/Lego" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Lego</span></a> <a href="https://sauropods.win/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> is <a href="https://sauropods.win/tags/Arambourgiania" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Arambourgiania</span></a></p><p>In 1943, a railway worker found several fossil fragments, including a cervical vertebra that was 61cm long. </p><p>Amin Kawar brough the fossils to Dr. T. Harding, Director of Antiquities at the British Residence in Amman. </p><p>In 1953, it was sent to National Museum of Natural History in Paris, France.</p><p>In 1954, Camille Arambourg interpreted it as a wing metacarpal</p><p>In 1959, he named it Titanopteryx philadelphiae.</p><p>1/2</p>
J of Systematics and Evolution<p>The study of Late Devonian <a href="https://mstdn.science/tags/ovules" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ovules</span></a> and <a href="https://mstdn.science/tags/seeds" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>seeds</span></a> is crucial for understanding <a href="https://mstdn.science/tags/evolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>evolution</span></a> of seed <a href="https://mstdn.science/tags/plants" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>plants</span></a>. Here, Liu et al. follow some "prickly" clues to describe two new species of Late Devonian Cosmosperma!<br><a href="https://doi.org/10.1111/jse.13140" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1111/jse.13140</span><span class="invisible"></span></a> <br>@WileyEcolEvol<br> <a href="https://mstdn.science/tags/PlantSci" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlantSci</span></a> <a href="https://mstdn.science/tags/evolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>evolution</span></a> <a href="https://mstdn.science/tags/JSE" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JSE</span></a> <a href="https://mstdn.science/tags/botany" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>botany</span></a> <a href="https://mstdn.science/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a></p>
J of Systematics and Evolution<p><a href="https://mstdn.science/tags/Spiders" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Spiders</span></a> have always been perfect!🕷️<br>Wang et al. find that new mid-<a href="https://mstdn.science/tags/Cretaceous" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cretaceous</span></a> macrothelids had a similar living mode to extant spp., with similar retreat construction <a href="https://mstdn.science/tags/behavior" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>behavior</span></a>, <a href="https://mstdn.science/tags/habitat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>habitat</span></a> preference, and <a href="https://mstdn.science/tags/mating" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mating</span></a> position.<br><a href="https://doi.org/10.1111/jse.13139" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1111/jse.13139</span><span class="invisible"></span></a> <br>@WileyEcolEvol<br> <a href="https://mstdn.science/tags/evolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>evolution</span></a> <a href="https://mstdn.science/tags/JSE" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JSE</span></a> <a href="https://mstdn.science/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a></p>
George the Gorilla<p>The fossilised lower jaw of a sea 'croc', Metriorhynchus, from the Jurassic Oxford Clay of the UK. If you want to see it for yourself, this specimen is now on show in the 'Snappy Families' display case in our 'Discovering Dinosaurs' gallery.</p><p><a href="https://glammr.us/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> <a href="https://glammr.us/tags/fossils" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossils</span></a> <a href="https://glammr.us/tags/paleontology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>paleontology</span></a> <a href="https://glammr.us/tags/NottNatHist" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NottNatHist</span></a> <a href="https://glammr.us/tags/museum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>museum</span></a> <a href="https://glammr.us/tags/Metriorhynchus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Metriorhynchus</span></a></p>
llewelly<p><span class="h-card" translate="no"><a href="https://scicomm.xyz/@dantheclamman" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>dantheclamman</span></a></span> <br>oh I wish I could be<br>Inoceramus<br>that numerous,<br>giantous clamus<br>of the Western Interior Sea ...</p><p><a href="https://sauropods.win/tags/poetry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>poetry</span></a><br><a href="https://sauropods.win/tags/fossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossilFriday</span></a></p>
James Green<p>Crinoids &amp; other marine fossils in chert cobble. <a href="https://mastodon.online/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> <a href="https://mastodon.online/tags/fossils" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossils</span></a></p>