{"id":6248,"date":"2026-03-08T08:36:17","date_gmt":"2026-03-08T07:36:17","guid":{"rendered":"https:\/\/lesminis.fr\/blog\/?p=6248"},"modified":"2026-03-08T12:23:11","modified_gmt":"2026-03-08T11:23:11","slug":"plus-ancien-poisson-osseux-decouverte-2026","status":"publish","type":"post","link":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/","title":{"rendered":"D\u00e9couverte Pal\u00e9o : Le plus vieux poisson osseux articul\u00e9 r\u00e9\u00e9crit notre histoire !"},"content":{"rendered":"<p>Oubliez un instant le c\u00e9l\u00e8bre T-Rex ou les immenses mammouths ! Si l\u2019on veut v\u00e9ritablement comprendre d\u2019o\u00f9 vient notre propre corps, il faut remonter l&rsquo;horloge du temps beaucoup, beaucoup plus loin. Jusqu&rsquo;\u00e0 une \u00e9poque o\u00f9 la terre ferme \u00e9tait encore totalement d\u00e9serte, et o\u00f9 la v\u00e9ritable grande r\u00e9volution se jouait sous la surface des oc\u00e9ans.<\/p>\n<p>Le 4 mars 2026, la tr\u00e8s s\u00e9rieuse revue scientifique <em>Nature<\/em> a partag\u00e9 une d\u00e9couverte incroyable : le <strong>plus ancien poisson osseux articul\u00e9<\/strong> connu \u00e0 ce jour. Mais pourquoi un si petit fossile datant du Silurien (une p\u00e9riode tr\u00e8s ancienne de l&rsquo;\u00e8re primaire) provoque-t-il une telle joie chez les chercheurs ? On vous explique simplement cette trouvaille fascinante !<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#Un_fossile_articule_le_tresor_absolu_des_paleontologues\" >Un fossile articul\u00e9 : le tr\u00e9sor absolu des pal\u00e9ontologues<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#Pourquoi_cette_decouverte_bouleverse-t-elle_notre_histoire\" >Pourquoi cette d\u00e9couverte bouleverse-t-elle notre histoire ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#Survivre_dans_un_ocean_prehistorique_impitoyable\" >Survivre dans un oc\u00e9an pr\u00e9historique impitoyable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#Explorons_les_oceans_du_passe\" >Explorons les oc\u00e9ans du pass\u00e9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#PROLONGEZ_LAVENTURE_SOUS-MARINE\" >PROLONGEZ L&rsquo;AVENTURE SOUS-MARINE<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Un_fossile_articule_le_tresor_absolu_des_paleontologues\"><\/span>Un fossile articul\u00e9 : le tr\u00e9sor absolu des pal\u00e9ontologues<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Pour bien comprendre, il faut s&rsquo;imaginer \u00e0 quel point ce genre de d\u00e9couverte est rare. Les oc\u00e9ans du Silurien (il y a environ 430 millions d&rsquo;ann\u00e9es) grouillaient de vie. Pourtant, jusqu&rsquo;\u00e0 aujourd&rsquo;hui, les scientifiques ne trouvaient le plus souvent que des \u00ab\u00a0micro-restes\u00a0\u00bb : une \u00e9caille par-ci, un bout de m\u00e2choire par-l\u00e0, dispers\u00e9s par les courants marins.<\/p>\n<p>Ici, le <strong>poisson osseux fossile<\/strong> mis au jour est <em>articul\u00e9<\/em>. Cela signifie que ses os sont rest\u00e9s parfaitement connect\u00e9s les uns aux autres, exactement comme de son vivant ! Gr\u00e2ce \u00e0 cette conservation miraculeuse, les chercheurs peuvent observer en d\u00e9tail son cr\u00e2ne, ses nageoires et tout son squelette interne. C&rsquo;est un peu comme retrouver un magnifique puzzle pr\u00e9historique d\u00e9j\u00e0 tout assembl\u00e9 au lieu d&rsquo;en avoir seulement trois pi\u00e8ces !<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Pourquoi_cette_decouverte_bouleverse-t-elle_notre_histoire\"><\/span>Pourquoi cette d\u00e9couverte bouleverse-t-elle notre histoire ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C&rsquo;est ici que l&rsquo;histoire devient v\u00e9ritablement fascinante. Ce poisson appartient au grand groupe des <strong>ost\u00e9ichthyens<\/strong> (les poissons \u00e0 squelette osseux). Pourquoi devrions-nous nous en soucier ? Eh bien, parce que c&rsquo;est notre branche !<\/p>\n<p>La grande majorit\u00e9 des vert\u00e9br\u00e9s modernes (des amphibiens aux oiseaux, en passant par les mammif\u00e8res, et donc vous et moi) partagent un anc\u00eatre commun qui poss\u00e9dait ce type d&rsquo;ossature. En d\u00e9couvrant un sp\u00e9cimen osseux aussi complet et aussi ancien, les scientifiques repoussent l&rsquo;apparition de ces caract\u00e9ristiques bien plus loin dans le temps. C&rsquo;est la preuve tangible que des innovations biologiques majeures \u00e9taient d\u00e9j\u00e0 solidement ancr\u00e9es dans les oc\u00e9ans primitifs.<\/p>\n<div class=\"alert alert-info\" style=\"background-color: #e8f4f8; padding: 15px; border-left: 4px solid #5bc0de; margin-bottom: 20px;\"><strong>Le saviez-vous ?<\/strong> L&rsquo;os est une invention extraordinaire de la nature ! Contrairement au cartilage (plus mou, comme celui de notre nez, de nos oreilles ou du squelette des requins), l&rsquo;os est une charpente solide qui permet d&rsquo;attacher des muscles puissants. Sans cette \u00ab\u00a0technologie\u00a0\u00bb biologique apparue sous l&rsquo;eau, les animaux n&rsquo;auraient jamais pu marcher sur la terre ferme !<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Survivre_dans_un_ocean_prehistorique_impitoyable\"><\/span>Survivre dans un oc\u00e9an pr\u00e9historique impitoyable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Imaginez un instant le quotidien de ce petit pionnier des mers. Au Silurien, l&rsquo;oc\u00e9an n&rsquo;a rien d&rsquo;un environnement paisible. Notre lointain cousin devait partager son habitat avec des pr\u00e9dateurs effrayants, comme les eurypt\u00e9rides (de redoutables scorpions de mer g\u00e9ants) ou les placodermes (des poissons primitifs lourdement recouverts d&rsquo;\u00e9paisses plaques d&rsquo;armure).<\/p>\n<p>Face \u00e0 ces monstres marins, notre anc\u00eatre a mis\u00e9 sur une autre strat\u00e9gie. Son squelette en os v\u00e9ritable, tr\u00e8s l\u00e9ger et bien structur\u00e9, lui offrait une vitesse et une agilit\u00e9 incroyables. Au lieu de porter une lourde carapace qui l&rsquo;aurait ralenti, il a choisi la souplesse pour s&rsquo;enfuir et chasser efficacement. Un pari \u00e9volutif totalement gagnant pour les millions d&rsquo;ann\u00e9es \u00e0 venir !<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Explorons_les_oceans_du_passe\"><\/span>Explorons les oc\u00e9ans du pass\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Les d\u00e9couvertes de cette ampleur nous rappellent \u00e0 quel point l&rsquo;histoire du vivant est riche, longue et merveilleusement ing\u00e9nieuse. Pour les jeunes passionn\u00e9s, visualiser ces \u00e9poques lointaines o\u00f9 la nature exp\u00e9rimentait de nouvelles formes est souvent le point de d\u00e9part d&rsquo;une grande aventure scientifique.<\/p>\n<p>Recr\u00e9er les \u00e9cosyst\u00e8mes pr\u00e9historiques, observer la diff\u00e9rence d&rsquo;anatomie entre un requin et un poisson osseux, ou comparer les esp\u00e8ces marines actuelles avec leurs lointains anc\u00eatres permet d&rsquo;ancrer ces notions dans la r\u00e9alit\u00e9. C&rsquo;est la plus belle fa\u00e7on de donner vie \u00e0 l&rsquo;\u00e9volution !<\/p>\n<div style=\"background-color: #f9f9f9; padding: 20px; border-radius: 8px; margin: 30px 0; text-align: center; border: 1px solid #e0e0e0;\">\n<h3 style=\"color: #2c3e50; margin-top: 0;\"><span class=\"ez-toc-section\" id=\"PROLONGEZ_LAVENTURE_SOUS-MARINE\"><\/span>PROLONGEZ L&rsquo;AVENTURE SOUS-MARINE<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; margin-bottom: 20px;\">Fascin\u00e9s par les incroyables cr\u00e9atures de l&rsquo;\u00e9volution ? D\u00e9couvrez nos s\u00e9lections pour donner vie aux fonds marins d&rsquo;hier et d&rsquo;aujourd&rsquo;hui.<\/p>\n<p><a style=\"background-color: #3498db; color: #ffffff; padding: 12px 25px; text-decoration: none; font-weight: bold; border-radius: 5px; font-size: 16px; display: inline-block; margin-bottom: 15px;\" href=\"https:\/\/lesminis.fr\/757-figurines-animaux-marins-et-aquatiques\">D\u00e9couvrir les Figurines d&rsquo;Animaux Marins \u2192<\/a><br \/>\n<a style=\"color: #3498db; text-decoration: underline; font-size: 15px;\" href=\"https:\/\/lesminis.fr\/blog\/le-requin-grande-gueule-un-geant-mysterieux-des-oceans\/\">Lire aussi : Le requin grande-gueule, un g\u00e9ant myst\u00e9rieux des oc\u00e9ans actuels<\/a><\/p>\n<\/div>\n<p><small><em>Source scientifique de l&rsquo;article pour aller plus loin : <a href=\"https:\/\/www.nature.com\/articles\/s41586-026-10125-2\" target=\"_blank\" rel=\"noopener noreferrer\">Nature &#8211; Early Silurian articulated osteichthyan<\/a> (Publi\u00e9 le 4 mars 2026).<\/em><\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une \u00e9tude publi\u00e9e le 4 mars 2026 dans Nature pr\u00e9sente le plus ancien poisson osseux articul\u00e9 connu. Ce petit fossile du Silurien aide \u00e0 mieux comprendre les d\u00e9buts de la grande lign\u00e9e des vert\u00e9br\u00e9s, bien avant les dinosaures.<\/p>\n","protected":false},"author":1,"featured_media":6250,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1602],"tags":[551,1043,373,2547,2549,2548],"class_list":["post-6248","post","type-post","status-publish","format-standard","has-post-thumbnail","category-dinosaures-prehistoire-megafaune-figurine","tag-prehistoire","tag-evolution","tag-paleontologie","tag-poisson-fossile","tag-silurien","tag-vertebres"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>D\u00e9couverte Pal\u00e9o : Le plus ancien poisson osseux connu | Les Minis<\/title>\n<meta name=\"description\" content=\"Une \u00e9tude de Nature d\u00e9voile le plus vieux poisson osseux articul\u00e9 du Silurien. D\u00e9couvrez simplement pourquoi ce fossile fascinant change l&#039;histoire de l&#039;\u00e9volution !\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9couverte Pal\u00e9o : Le plus vieux poisson osseux articul\u00e9 r\u00e9\u00e9crit notre histoire !\" \/>\n<meta property=\"og:description\" content=\"Une \u00e9tude de Nature d\u00e9voile le plus vieux poisson osseux articul\u00e9 du Silurien. D\u00e9couvrez simplement pourquoi ce fossile fascinant change l&#039;histoire de l&#039;\u00e9volution !\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/\" \/>\n<meta property=\"og:site_name\" content=\"LesMinis Le Blog - Mat\u00e9riels \u00e9ducatifs - Figurines p\u00e9dagogiques\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/fr-fr.facebook.com\/LesMinis.fr\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/LesMinis.fr\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-08T07:36:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-08T11:23:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lesminis.fr\/blog\/wp-content\/uploads\/2026\/03\/fossile-nature-2026.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"LesMinis\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"LesMinis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/\"},\"author\":{\"name\":\"LesMinis\",\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/#\\\/schema\\\/person\\\/4a1be8c8c70a7d945af71674957cf83e\"},\"headline\":\"D\u00e9couverte Pal\u00e9o : Le plus vieux poisson osseux articul\u00e9 r\u00e9\u00e9crit notre histoire !\",\"datePublished\":\"2026-03-08T07:36:17+00:00\",\"dateModified\":\"2026-03-08T11:23:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/\"},\"wordCount\":785,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/fossile-nature-2026.jpeg\",\"keywords\":[\"\u201cPr\u00e9histoire\",\"\u00e9volution\",\"pal\u00e9ontologie\",\"poisson fossile\",\"Silurien\",\"vert\u00e9br\u00e9s\"],\"articleSection\":[\"Pal\u00e9odex \u2014 Dinosaures, fossiles et esp\u00e8ces disparues\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/\",\"url\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/\",\"name\":\"D\u00e9couverte Pal\u00e9o : Le plus ancien poisson osseux connu | Les Minis\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/fossile-nature-2026.jpeg\",\"datePublished\":\"2026-03-08T07:36:17+00:00\",\"dateModified\":\"2026-03-08T11:23:11+00:00\",\"description\":\"Une \u00e9tude de Nature d\u00e9voile le plus vieux poisson osseux articul\u00e9 du Silurien. D\u00e9couvrez simplement pourquoi ce fossile fascinant change l'histoire de l'\u00e9volution !\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/#primaryimage\",\"url\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/fossile-nature-2026.jpeg\",\"contentUrl\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/fossile-nature-2026.jpeg\",\"width\":1536,\"height\":1024,\"caption\":\"Reconstitution et fossile du plus vieux poisson osseux articul\u00e9 du Silurien d\u00e9couvert en 2026.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/plus-ancien-poisson-osseux-decouverte-2026\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"D\u00e9couverte Pal\u00e9o : Le plus vieux poisson osseux articul\u00e9 r\u00e9\u00e9crit notre histoire !\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/\",\"name\":\"LesMinis Le Blog - Mat\u00e9riels \u00e9ducatifs - Figurines p\u00e9dagogiques\",\"description\":\"D\u00e9couvrez notre actualit\u00e9, figurines, mat\u00e9riel \u00e9ducatif, activit\u00e9s Montessori\",\"publisher\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/#organization\",\"name\":\"LesMinis - Sp\u00e9cialiste mat\u00e9riel p\u00e9dagogiques - Figurines \u00e9ducatives - Mat\u00e9riel Montessori\",\"url\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/03\\\/nouveau-logo-lesminis.png\",\"contentUrl\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/03\\\/nouveau-logo-lesminis.png\",\"width\":500,\"height\":175,\"caption\":\"LesMinis - Sp\u00e9cialiste mat\u00e9riel p\u00e9dagogiques - Figurines \u00e9ducatives - Mat\u00e9riel Montessori\"},\"image\":{\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/fr-fr.facebook.com\\\/LesMinis.fr\\\/\",\"https:\\\/\\\/www.instagram.com\\\/lesminis.fr\\\/\",\"https:\\\/\\\/www.tiktok.com\\\/@lesminis.fr\",\"https:\\\/\\\/www.pinterest.fr\\\/lesminisfr\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/#\\\/schema\\\/person\\\/4a1be8c8c70a7d945af71674957cf83e\",\"name\":\"LesMinis\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/288cd93d352b3465f2bd0701b1f2bb059b68dc3a70c4fda061bad8e6c9f8d865?s=96&d=blank&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/288cd93d352b3465f2bd0701b1f2bb059b68dc3a70c4fda061bad8e6c9f8d865?s=96&d=blank&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/288cd93d352b3465f2bd0701b1f2bb059b68dc3a70c4fda061bad8e6c9f8d865?s=96&d=blank&r=g\",\"caption\":\"LesMinis\"},\"sameAs\":[\"https:\\\/\\\/lesminis.fr\\\/blog\",\"https:\\\/\\\/www.facebook.com\\\/LesMinis.fr\\\/\",\"https:\\\/\\\/www.instagram.com\\\/lesminis.fr\\\/\",\"https:\\\/\\\/www.pinterest.fr\\\/lesminisfr\\\/\"],\"url\":\"https:\\\/\\\/lesminis.fr\\\/blog\\\/author\\\/lesminis\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"D\u00e9couverte Pal\u00e9o : Le plus ancien poisson osseux connu | Les Minis","description":"Une \u00e9tude de Nature d\u00e9voile le plus vieux poisson osseux articul\u00e9 du Silurien. D\u00e9couvrez simplement pourquoi ce fossile fascinant change l'histoire de l'\u00e9volution !","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/","og_locale":"fr_FR","og_type":"article","og_title":"D\u00e9couverte Pal\u00e9o : Le plus vieux poisson osseux articul\u00e9 r\u00e9\u00e9crit notre histoire !","og_description":"Une \u00e9tude de Nature d\u00e9voile le plus vieux poisson osseux articul\u00e9 du Silurien. D\u00e9couvrez simplement pourquoi ce fossile fascinant change l'histoire de l'\u00e9volution !","og_url":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/","og_site_name":"LesMinis Le Blog - Mat\u00e9riels \u00e9ducatifs - Figurines p\u00e9dagogiques","article_publisher":"https:\/\/fr-fr.facebook.com\/LesMinis.fr\/","article_author":"https:\/\/www.facebook.com\/LesMinis.fr\/","article_published_time":"2026-03-08T07:36:17+00:00","article_modified_time":"2026-03-08T11:23:11+00:00","og_image":[{"width":1536,"height":1024,"url":"https:\/\/lesminis.fr\/blog\/wp-content\/uploads\/2026\/03\/fossile-nature-2026.jpeg","type":"image\/jpeg"}],"author":"LesMinis","twitter_misc":{"\u00c9crit par":"LesMinis","Dur\u00e9e de lecture estim\u00e9e":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["Article","BlogPosting"],"@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#article","isPartOf":{"@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/"},"author":{"name":"LesMinis","@id":"https:\/\/lesminis.fr\/blog\/#\/schema\/person\/4a1be8c8c70a7d945af71674957cf83e"},"headline":"D\u00e9couverte Pal\u00e9o : Le plus vieux poisson osseux articul\u00e9 r\u00e9\u00e9crit notre histoire !","datePublished":"2026-03-08T07:36:17+00:00","dateModified":"2026-03-08T11:23:11+00:00","mainEntityOfPage":{"@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/"},"wordCount":785,"commentCount":0,"publisher":{"@id":"https:\/\/lesminis.fr\/blog\/#organization"},"image":{"@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#primaryimage"},"thumbnailUrl":"https:\/\/lesminis.fr\/blog\/wp-content\/uploads\/2026\/03\/fossile-nature-2026.jpeg","keywords":["\u201cPr\u00e9histoire","\u00e9volution","pal\u00e9ontologie","poisson fossile","Silurien","vert\u00e9br\u00e9s"],"articleSection":["Pal\u00e9odex \u2014 Dinosaures, fossiles et esp\u00e8ces disparues"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/","url":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/","name":"D\u00e9couverte Pal\u00e9o : Le plus ancien poisson osseux connu | Les Minis","isPartOf":{"@id":"https:\/\/lesminis.fr\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#primaryimage"},"image":{"@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#primaryimage"},"thumbnailUrl":"https:\/\/lesminis.fr\/blog\/wp-content\/uploads\/2026\/03\/fossile-nature-2026.jpeg","datePublished":"2026-03-08T07:36:17+00:00","dateModified":"2026-03-08T11:23:11+00:00","description":"Une \u00e9tude de Nature d\u00e9voile le plus vieux poisson osseux articul\u00e9 du Silurien. D\u00e9couvrez simplement pourquoi ce fossile fascinant change l'histoire de l'\u00e9volution !","breadcrumb":{"@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#primaryimage","url":"https:\/\/lesminis.fr\/blog\/wp-content\/uploads\/2026\/03\/fossile-nature-2026.jpeg","contentUrl":"https:\/\/lesminis.fr\/blog\/wp-content\/uploads\/2026\/03\/fossile-nature-2026.jpeg","width":1536,"height":1024,"caption":"Reconstitution et fossile du plus vieux poisson osseux articul\u00e9 du Silurien d\u00e9couvert en 2026."},{"@type":"BreadcrumbList","@id":"https:\/\/lesminis.fr\/blog\/plus-ancien-poisson-osseux-decouverte-2026\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/lesminis.fr\/blog\/"},{"@type":"ListItem","position":2,"name":"D\u00e9couverte Pal\u00e9o : Le plus vieux poisson osseux articul\u00e9 r\u00e9\u00e9crit notre histoire !"}]},{"@type":"WebSite","@id":"https:\/\/lesminis.fr\/blog\/#website","url":"https:\/\/lesminis.fr\/blog\/","name":"LesMinis Le Blog - Mat\u00e9riels \u00e9ducatifs - Figurines p\u00e9dagogiques","description":"D\u00e9couvrez notre actualit\u00e9, figurines, mat\u00e9riel \u00e9ducatif, activit\u00e9s Montessori","publisher":{"@id":"https:\/\/lesminis.fr\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lesminis.fr\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/lesminis.fr\/blog\/#organization","name":"LesMinis - Sp\u00e9cialiste mat\u00e9riel p\u00e9dagogiques - Figurines \u00e9ducatives - Mat\u00e9riel Montessori","url":"https:\/\/lesminis.fr\/blog\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/lesminis.fr\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/lesminis.fr\/blog\/wp-content\/uploads\/2023\/03\/nouveau-logo-lesminis.png","contentUrl":"https:\/\/lesminis.fr\/blog\/wp-content\/uploads\/2023\/03\/nouveau-logo-lesminis.png","width":500,"height":175,"caption":"LesMinis - Sp\u00e9cialiste mat\u00e9riel p\u00e9dagogiques - Figurines \u00e9ducatives - Mat\u00e9riel Montessori"},"image":{"@id":"https:\/\/lesminis.fr\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/fr-fr.facebook.com\/LesMinis.fr\/","https:\/\/www.instagram.com\/lesminis.fr\/","https:\/\/www.tiktok.com\/@lesminis.fr","https:\/\/www.pinterest.fr\/lesminisfr\/"]},{"@type":"Person","@id":"https:\/\/lesminis.fr\/blog\/#\/schema\/person\/4a1be8c8c70a7d945af71674957cf83e","name":"LesMinis","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/288cd93d352b3465f2bd0701b1f2bb059b68dc3a70c4fda061bad8e6c9f8d865?s=96&d=blank&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/288cd93d352b3465f2bd0701b1f2bb059b68dc3a70c4fda061bad8e6c9f8d865?s=96&d=blank&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/288cd93d352b3465f2bd0701b1f2bb059b68dc3a70c4fda061bad8e6c9f8d865?s=96&d=blank&r=g","caption":"LesMinis"},"sameAs":["https:\/\/lesminis.fr\/blog","https:\/\/www.facebook.com\/LesMinis.fr\/","https:\/\/www.instagram.com\/lesminis.fr\/","https:\/\/www.pinterest.fr\/lesminisfr\/"],"url":"https:\/\/lesminis.fr\/blog\/author\/lesminis\/"}]}},"_links":{"self":[{"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/posts\/6248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/comments?post=6248"}],"version-history":[{"count":1,"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/posts\/6248\/revisions"}],"predecessor-version":[{"id":6251,"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/posts\/6248\/revisions\/6251"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/media\/6250"}],"wp:attachment":[{"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/media?parent=6248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/categories?post=6248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lesminis.fr\/blog\/wp-json\/wp\/v2\/tags?post=6248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}