{"id":2117,"date":"2020-12-17T11:03:39","date_gmt":"2020-12-17T11:03:39","guid":{"rendered":"http:\/\/meumon.synology.me\/museu\/?p=2117"},"modified":"2021-07-15T08:53:55","modified_gmt":"2021-07-15T08:53:55","slug":"66-extincio-k-pg","status":"publish","type":"post","link":"http:\/\/meumon.synology.me\/museu\/66-extincio-k-pg\/","title":{"rendered":"-66 Extinci\u00f3 K &#8211; Pg"},"content":{"rendered":"<p><a title=\"Cretaceous\u2013Paleogene extinction event\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cretaceous%E2%80%93Paleogene_extinction_event\">Cretaceous\u2013Paleogene extinction event<\/a> (End Cretaceous, K\u2013Pg extinction, or formerly K\u2013T extinction): 66 Ma at the <a title=\"Cretaceous\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cretaceous\">Cretaceous<\/a> (<a title=\"Maastrichtian\" href=\"https:\/\/en.wikipedia.org\/wiki\/Maastrichtian\">Maastrichtian<\/a>) \u2013 <a title=\"Paleogene\" href=\"https:\/\/en.wikipedia.org\/wiki\/Paleogene\">Paleogene<\/a> (<a title=\"Danian\" href=\"https:\/\/en.wikipedia.org\/wiki\/Danian\">Danian<\/a>) transition interval. The event formerly called the Cretaceous-Tertiary or K\u2013T extinction or K\u2013T boundary is now officially named the Cretaceous\u2013Paleogene (or K\u2013Pg) extinction event. About 17% of all families, 50% of all genera and 75% of all species became extinct. In the seas all the <a title=\"Ammonoidea\" href=\"https:\/\/en.wikipedia.org\/wiki\/Ammonoidea\">ammonites<\/a>, <a title=\"Sauropterygia\" href=\"https:\/\/en.wikipedia.org\/wiki\/Sauropterygia\">plesiosaurs<\/a> and <a title=\"Mosasaur\" href=\"https:\/\/en.wikipedia.org\/wiki\/Mosasaur\">mosasaurs<\/a> disappeared and the percentage of <a class=\"mw-redirect\" title=\"Sessility (zoology)\" href=\"https:\/\/en.wikipedia.org\/wiki\/Sessility_(zoology)\">sessile<\/a> animals (those unable to move about) was reduced to about 33%. All non-avian <a title=\"Dinosaur\" href=\"https:\/\/en.wikipedia.org\/wiki\/Dinosaur\">dinosaurs<\/a> became extinct during that time. The boundary event was severe with a significant amount of variability in the rate of extinction between and among different clades. <a title=\"Mammal\" href=\"https:\/\/en.wikipedia.org\/wiki\/Mammal\">Mammals<\/a> and <a title=\"Bird\" href=\"https:\/\/en.wikipedia.org\/wiki\/Bird\">birds<\/a>, the latter descended from <a class=\"mw-redirect\" title=\"Theropod\" href=\"https:\/\/en.wikipedia.org\/wiki\/Theropod\">theropod<\/a> dinosaurs, emerged as dominant large land animals.<\/p>\n<p>Un estrat d&#8217;iridi seria l&#8217;indici que l&#8217;extinci\u00f3 va ser causada per l&#8217;impacte d&#8217;un meteorit.<\/p>\n<div data-pm-slice=\"1 1 []\" data-en-clipboard=\"true\"><a href=\"https:\/\/www.newyorker.com\/magazine\/2019\/04\/08\/the-day-the-dinosaurs-died\" rev=\"en_rl_none\">https:\/\/www.newyorker.com\/magazine\/2019\/04\/08\/the-day-the-dinosaurs-died<\/a><\/div>\n<div data-pm-slice=\"1 1 []\" data-en-clipboard=\"true\"><\/div>\n<div data-pm-slice=\"1 1 []\" data-en-clipboard=\"true\">https:\/\/www.bbc.com\/future\/article\/20210713-the-dinosaurs-may-have-been-in-trouble-before-the-asteroid Podrien estar ja en declivi<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cretaceous\u2013Paleogene extinction event (End Cretaceous, K\u2013Pg extinction, or formerly K\u2013T extinction): 66 Ma at the Cretaceous (Maastrichtian) \u2013 Paleogene (Danian) transition interval. The event formerly called the Cretaceous-Tertiary or K\u2013T extinction or K\u2013T boundary is now officially named the Cretaceous\u2013Paleogene (or K\u2013Pg) extinction event. About 17% of all families, 50% of all genera and 75% &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/meumon.synology.me\/museu\/66-extincio-k-pg\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;-66 Extinci\u00f3 K &#8211; Pg&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[517],"anotacio":[],"civilitzacio":[],"spec":[],"aspecies":[],"Tema poesia":[],"_links":{"self":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/posts\/2117"}],"collection":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/comments?post=2117"}],"version-history":[{"count":0,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/posts\/2117\/revisions"}],"wp:attachment":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/media?parent=2117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/categories?post=2117"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/tags?post=2117"},{"taxonomy":"anotacio","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/anotacio?post=2117"},{"taxonomy":"civilitzacio","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/civilitzacio?post=2117"},{"taxonomy":"spec","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/spec?post=2117"},{"taxonomy":"aspecies","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/aspecies?post=2117"},{"taxonomy":"Tema poesia","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/Tema poesia?post=2117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}