{"id":65239,"date":"2025-02-02T00:03:03","date_gmt":"2025-02-02T00:03:03","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark"},"modified":"2025-05-05T19:12:40","modified_gmt":"2025-05-05T19:12:40","slug":"un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark","title":{"rendered":"Un Vomi Fossilis\u00e9 de 66 Millions D\u2019ann\u00e9es D\u00e9couvert au Danemark !"},"content":{"rendered":"

Morgane Gillard
\n<\/b><\/p>\n

Africa-Press – Senegal. <\/strong><\/span>C\u2019est une de\u0301couverte pale\u0301ontologique rare et importante pour la science, me\u0302me si elle peut parai\u0302tre e\u0301trange et un peu de\u0301gou\u0302tante: un vomi de poisson fossilise\u0301 a e\u0301te\u0301 de\u0301couvert sur une plage du Danemark. Il date de 66 millions d\u2019anne\u0301es !<\/p>\n

Quand on part a\u0300 la chasse aux fossiles, on imagine trouver de beaux exemplaires d’ammonites ou de bivalves par exemple. Voire, pour les plus optimistes, des fragments d’os de dinosaure. Mais on n’espe\u0300re pas force\u0301ment tomber sur le vomi pe\u0301trifie\u0301 d’une cre\u0301ature depuis longtemps disparue. Et pourtant, c’est ce qu’a trouve\u0301 Peter Bennicke, en effectuant des fouilles sur la plage de Stevns Klint, au Danemark.<\/p>\n

Dans les fossiles, il ne faut pas oublier les excre\u0301ments et les re\u0301gurgitations<\/b><\/p>\n

Les te\u0301moignages fossilise\u0301s du passe\u0301 peuvent en effet e\u0302tre bien plus divers qu’on ne l’imagine. Outre les ossements et coquilles, il y a bien su\u0302r les empreintes de pas, mais e\u0301galement les crottes et les re\u0301gurgitations. On utilise ainsi le terme de bromalithe pour de\u0301signer tout re\u0301sidu fossilise\u0301 provenant du syste\u0300me digestif d’un animal.<\/p>\n

Ces fossiles, certes moins jolis a\u0300 pre\u0301senter dans une collection, sont cependant de tre\u0300s importantes sources de renseignement sur les espe\u0300ces qui les ont produites, et notamment sur leur re\u0301gime alimentaire.<\/p>\n

Un vomi de poisson datant de la fin du Cre\u0301tace\u0301<\/b><\/p>\n

Identifier des bromalithes est toutefois plus complique\u0301 que de trouver un fossile commun et il faut avoir l’\u0153il aiguise\u0301 pour reconnai\u0302tre de quoi il s’agit. Peter Bennicke a ainsi de\u0301clare\u0301 qu’il a tout d’abord identifie\u0301 dans les calcaires blancs de la falaise co\u0302tie\u0300re des fragments inhabituels de crinoi\u0308des, commune\u0301ment appele\u0301s lys de mer. Intrigue\u0301 par l’aspect de la roche, il l’emporte pour qu’elle soit examine\u0301e au muse\u0301e de East Zealand, qui va lui apprendre qu’il vient de de\u0301couvrir… le vomi fossilise\u0301 d’un poisson ayant ve\u0301cu il y a 66 millions d’anne\u0301es !<\/p>\n

Les poissons et les requins semblent en effet avoir e\u0301te\u0301 friands de crinoi\u0308des, qui sont des animaux pourvus d’un squelette calcaire articule\u0301, difficile a\u0300 dige\u0301rer. Ils devaient donc re\u0301gurgiter re\u0301gulie\u0300rement les petits morceaux durs.<\/p>\n

Une de\u0301couverte rare qui aide a\u0300 mieux comprendre la chai\u0302ne alimentaire et les e\u0301cosyste\u0300mes du passe\u0301.<\/p>\n

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

Morgane Gillard Africa-Press – Senegal. C\u2019est une de\u0301couverte pale\u0301ontologique rare et importante pour la science, me\u0302me si elle peut parai\u0302tre e\u0301trange et un peu de\u0301gou\u0302tante: un vomi de poisson fossilise\u0301 a e\u0301te\u0301 de\u0301couvert sur une plage du Danemark. Il date de 66 millions d\u2019anne\u0301es ! Quand on part a\u0300 la chasse aux fossiles, on imagine […]<\/p>\n","protected":false},"author":82,"featured_media":65238,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-65239","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"\nUn Vomi Fossilis\u00e9 de 66 Millions D\u2019ann\u00e9es D\u00e9couvert au Danemark ! - Senegal<\/title>\n<meta name=\"description\" content=\"C\u2019est une de\u0301couverte pale\u0301ontologique rare et importante pour la science, me\u0302me si elle peut parai\u0302tre e\u0301trange et un 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\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un Vomi Fossilis\u00e9 de 66 Millions D\u2019ann\u00e9es D\u00e9couvert au Danemark !\" \/>\n<meta property=\"og:description\" content=\"C\u2019est une de\u0301couverte pale\u0301ontologique rare et importante pour la science, me\u0302me si elle peut parai\u0302tre e\u0301trange et un p ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-02T00:03:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-05T19:12:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/02\/sm_1738528572.37723.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1126\" \/>\n\t<meta property=\"og:image:height\" content=\"640\" \/>\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\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Un Vomi Fossilis\u00e9 de 66 Millions D\u2019ann\u00e9es D\u00e9couvert au Danemark !\",\"datePublished\":\"2025-02-02T00:03:03+00:00\",\"dateModified\":\"2025-05-05T19:12:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark\"},\"wordCount\":454,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/02\/sm_1738528572.37723.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/un-vomi-fossilise-de-66-millions-dannees-decouvert-au-danemark\",\"name\":\"Un Vomi Fossilis\u00e9 de 66 Millions D\u2019ann\u00e9es D\u00e9couvert au Danemark ! 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