{"id":728,"date":"2025-06-12T09:04:53","date_gmt":"2025-06-12T07:04:53","guid":{"rendered":"https:\/\/www.concaverde.com\/escursione\/impronte-di-dinosauro\/"},"modified":"2025-07-03T14:23:46","modified_gmt":"2025-07-03T12:23:46","slug":"empreintes-de-dinosaures","status":"publish","type":"escursione","link":"https:\/\/www.concaverde.com\/fr\/excursion\/empreintes-de-dinosaures\/","title":{"rendered":"Empreintes de dinosaures"},"content":{"rendered":"<p>Apr\u00e8s une analyse approfondie des chercheurs, l\u2019importance des empreintes d\u00e9couvertes \u00e0 Zone devient de plus en plus \u00e9vidente. Elles ont \u00e9t\u00e9 attribu\u00e9es \u00e0 de grands reptiles archosaures, anc\u00eatres des crocodiles et des dinosaures. On compte environ soixante-dix empreintes, r\u00e9parties en cinq s\u00e9ries de pas, et il est probable que d&rsquo;autres soient encore cach\u00e9es sous la v\u00e9g\u00e9tation ou les strates rocheuses sup\u00e9rieures et inf\u00e9rieures&#8230;<\/p>\n<p>Il s\u2019agit des premi\u00e8res empreintes de reptiles datant du d\u00e9but de l\u2019\u00e8re des dinosaures d\u00e9couvertes en Lombardie, les plus grandes et les mieux conserv\u00e9es d\u2019Italie.<\/p>\n<p>Mais ce n\u2019est pas tout : selon les experts, elles permettent \u00e9galement de dater les roches et les fossiles de dinosaures d\u00e9couverts ailleurs dans le monde. Ainsi, elles aident \u00e0 mieux comprendre l\u2019\u00e9volution des reptiles qui allaient devenir les dinosaures. Bien que connues depuis longtemps des habitants de Zone, ce n\u2019est que r\u00e9cemment qu\u2019elles ont \u00e9t\u00e9 \u00e9tudi\u00e9es par des chercheurs issus du Mus\u00e9e d\u2019Histoire Naturelle de Milan, du Mus\u00e9e des Sciences Naturelles de Trente, du Mus\u00e9e Civique des Sciences Naturelles de Brescia et de l\u2019Universit\u00e9 \u00ab\u00a0La Sapienza\u00a0\u00bb de Rome.<\/p>\n<p>Il s\u2019agit donc de cinq successions de pas (le terme utilis\u00e9 par les pal\u00e9ontologues est \u00ab pistes \u00bb), qui traversent dans diff\u00e9rentes directions deux couches rocheuses presque verticales, sur une surface d\u2019environ 50 m\u00e8tres carr\u00e9s. Il y a 220 millions d\u2019ann\u00e9es, ces couches faisaient partie d\u2019une vaste plaine boueuse sillonn\u00e9e de rivi\u00e8res qui se jetaient dans une mer tropicale peu profonde.<\/p>\n<p>Il y a environ 15 millions d\u2019ann\u00e9es, lors de la formation des Alpes, ces anciens d\u00e9p\u00f4ts devenus roches ont \u00e9t\u00e9 soulev\u00e9s et redress\u00e9s \u00e0 la verticale, tels que nous les voyons aujourd\u2019hui. Toutes les empreintes appartiennent \u00e0 des animaux quadrup\u00e8des, plantigrades ou semi-plantigrades, mesurant de 2 \u00e0 6 m\u00e8tres de long.<\/p>\n<p>Ces animaux avaient une d\u00e9marche tr\u00e8s \u00e9troite et plut\u00f4t lin\u00e9aire, indiquant une structure corporelle avec des membres plac\u00e9s verticalement sous le corps. Les pattes avant \u00e9taient plus petites que les post\u00e9rieures, et les mains touchaient le sol avec une rotation particuli\u00e8re par rapport aux pieds. Sur les empreintes les mieux conserv\u00e9es, on peut clairement distinguer les cinq doigts des mains et des pieds, les griffes correspondantes, et m\u00eame deviner les coussinets et les talons.<\/p>\n<p>Comme nous ne poss\u00e9dons pas les squelettes de tous les animaux ayant v\u00e9cu au Trias, il n\u2019a pas \u00e9t\u00e9 possible d\u2019identifier avec certitude l\u2019esp\u00e8ce exacte \u00e0 laquelle appartenaient ces empreintes.<\/p>\n","protected":false},"featured_media":132,"parent":0,"menu_order":0,"template":"","class_list":["post-728","escursione","type-escursione","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Empreintes de dinosaures - Hotel Conca Verde<\/title>\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.concaverde.com\/fr\/excursion\/empreintes-de-dinosaures\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Empreintes de dinosaures - Hotel Conca Verde\" \/>\n<meta property=\"og:description\" content=\"Apr\u00e8s une analyse approfondie des chercheurs, l\u2019importance des empreintes d\u00e9couvertes \u00e0 Zone devient de plus en plus \u00e9vidente. 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