{"id":85114,"date":"2024-04-22T16:35:30","date_gmt":"2024-04-22T16:35:30","guid":{"rendered":"https:\/\/www.africa-press.net\/burkina-faso\/politique\/decouverte-dun-titanosaure-miniature-en-patagonie"},"modified":"2024-04-22T16:49:24","modified_gmt":"2024-04-22T16:49:24","slug":"decouverte-dun-titanosaure-miniature-en-patagonie","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie","title":{"rendered":"D\u00e9couverte d’un titanosaure \u00ab\u00a0miniature\u00a0\u00bb en Patagonie"},"content":{"rendered":"

Africa-Press – Burkina Faso. <\/strong><\/span>Aussi haut qu’un immeuble, long comme un avion et pesant le poids d’une douzaine d’e\u0301le\u0301phants: le Titan de Patagonie (Patagotitan mayorum) est l’un des plus gros dinosaures connus. L’animal vivait en Patagonie au de\u0301but du Cre\u0301tace\u0301, il y a 101 millions d’anne\u0301es environ. Bien plus tard, mais dans la me\u0302me re\u0301gion, un autre Titan se baladait. Mais ce dernier n’avait pas du tout les me\u0302mes dimensions: Titanomachya gimenezi est en effet l’un des plus petits titanosaures connus.<\/p>\n

Un site riche en fossile<\/b><\/p>\n

Les restes du dinosaure ont e\u0301te\u0301 de\u0301couverts dans la formation de La Colonia, dans la province de Chubut, en Argentine, lors de fouilles organise\u0301es par le CONICET (le Conseil national de la recherche scientifique et technique). Ce site avait de\u0301ja\u0300 re\u0301ve\u0301le\u0301 les restes d’un dinosaure carnivore mais e\u0301galement d’un ple\u0301siosaure (un reptile marin), de tortues et de plusieurs autres reptiles. Les se\u0301diments pre\u0301sents sont date\u0301s de la fin du Cre\u0301tace\u0301, il y a 66 millions d’anne\u0301es. A l’e\u0301poque, l’endroit constituait un environnement lagunaire avec sur la terre une flore varie\u0301e comprenant des palmiers, des plantes aquatiques a\u0300 fleurs et des conife\u0300res.<\/p>\n

Cette fois, c’est au tour d’un sauropode, un dinosaure quadrupe\u0300de herbivore, d’e\u0302tre exhume\u0301. Ce sont essentiellement les os de ses membres ante\u0301rieurs et poste\u0301rieurs plus quelques fragments de co\u0302tes et une verte\u0300bre caudale qui ont e\u0301te\u0301 retrouve\u0301s. Leur analyse a e\u0301te\u0301 pratique\u0301e au Muse\u0301e pale\u0301ontologique Egidio Feruglio de Trelew et les chercheurs ont publie\u0301 leurs re\u0301sultats dans la revue Historical Biology.<\/p>\n

Un titanosaure aux modestes dimensions<\/b><\/p>\n

Selon les auteurs, Titanomachya gimenezi devait peser dans les sept tonnes, soit presque 10 fois moins que le Titan de Patagonie. Ils notent e\u0301galement que son astragale (l’os de la cheville qui soutient le poids du tibia) pre\u0301sente une configuration qui n’avait jamais e\u0301te\u0301 observe\u0301e chez un titanosaure de la fin du Cre\u0301tace\u0301. Un trait qui aura son importance pour l’e\u0301tude de futurs squelettes et pour de\u0301finir la position phyloge\u0301ne\u0301tique de ce dernier.<\/p>\n

L’animal doit son nom a\u0300 la bataille de la mythologie grecque, la Titanomachie, dans laquelle les Titans ont combattu Zeus et ont e\u0301te\u0301 de\u0301faits. Ce qui lui sied bien car ce dinosaure a ve\u0301cu peu de temps avant la disparition des titanosaures et de tous les dinosaures non aviens, lors de la crise de la fin du Cre\u0301tace\u0301.<\/p>\n

Pour plus d’informations et d’analyses sur la Burkina Faso<\/a>, suivez Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Burkina Faso. Aussi haut qu’un immeuble, long comme un avion et pesant le poids d’une douzaine d’e\u0301le\u0301phants: le Titan de Patagonie (Patagotitan mayorum) est l’un des plus gros dinosaures connus. L’animal vivait en Patagonie au de\u0301but du Cre\u0301tace\u0301, il y a 101 millions d’anne\u0301es environ. Bien plus tard, mais dans la me\u0302me re\u0301gion, […]<\/p>\n","protected":false},"author":82,"featured_media":85113,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[111,725,29],"class_list":["post-85114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-burkina-faso","tag-burkina-faso"],"yoast_head":"\nD\u00e9couverte d'un titanosaure "miniature" en Patagonie - Burkina Faso<\/title>\n<meta name=\"description\" content=\"Aussi haut qu'un immeuble, long comme un avion et pesant le poids d'une douzaine d'e\u0301le\u0301phants: le Titan de Patagonie (P ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9couverte d'un titanosaure "miniature" en Patagonie\" \/>\n<meta property=\"og:description\" content=\"Aussi haut qu'un immeuble, long comme un avion et pesant le poids d'une douzaine d'e\u0301le\u0301phants: le Titan de Patagonie (P ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie\" \/>\n<meta property=\"og:site_name\" content=\"Burkina Faso\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-22T16:35:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-22T16:49:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2024\/04\/sm_1713791906.971709.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"D\u00e9couverte d’un titanosaure \u00ab\u00a0miniature\u00a0\u00bb en Patagonie\",\"datePublished\":\"2024-04-22T16:35:30+00:00\",\"dateModified\":\"2024-04-22T16:49:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie\"},\"wordCount\":472,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2024\/04\/sm_1713791906.971709.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Burkina Faso\",\"Burkina Faso\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie\",\"url\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/decouverte-dun-titanosaure-miniature-en-patagonie\",\"name\":\"D\u00e9couverte d'un titanosaure \\\"miniature\\\" en Patagonie - 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