{"id":116943,"date":"2026-06-13T20:33:41","date_gmt":"2026-06-13T20:33:41","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/116943\/"},"modified":"2026-06-13T20:33:41","modified_gmt":"2026-06-13T20:33:41","slug":"vedci-objevili-stira-s-rozmery-psa-tak-velkeho-historie-nepamatuje","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/116943\/","title":{"rendered":"V\u011bdci objevili \u0161t\u00edra s rozm\u011bry psa. Tak velk\u00e9ho historie nepamatuje"},"content":{"rendered":"<p>Kdybyste se p\u0159ed 415 miliony let proch\u00e1zeli po zaplaven\u00fdch koutech na\u0161\u00ed planety, nenarazili byste na \u017e\u00e1dn\u00e9 savce. Museli byste si v\u0161ak d\u00e1vat dobr\u00fd pozor na \u0161t\u00edra s rozm\u011bry dosp\u011bl\u00e9ho psa. V\u011bdci potvrdili existenci nejv\u011bt\u0161\u00edho zn\u00e1m\u00e9ho \u0161t\u00edra Praearcturus gigas v historii.<\/p>\n<p>Tento tvor <a href=\"https:\/\/doi.org\/10.1111\/pala.70064\" rel=\"nofollow noopener\" target=\"_blank\">m\u011bl <\/a>klepeta del\u0161\u00ed ne\u017e cel\u00e1 t\u011bla mnoh\u00fdch dne\u0161n\u00edch \u0161t\u00edr\u016f. Na d\u00e9lku dosahovala 16 centimetr\u016f. Podle v\u011bdc\u016f to byla opravdu bestie, kter\u00e1 nem\u011bla konkurenci.<\/p>\n<p>\u201e\u017dil v dob\u011b, kdy byl \u017eivot na sou\u0161i teprve na sv\u00e9m za\u010d\u00e1tku a p\u0159edkov\u00e9 plaz\u016f, pt\u00e1k\u016f a savc\u016f je\u0161t\u011b neopustili vodu,\u201c <a href=\"https:\/\/www.sciencealert.com\/scientists-identify-the-worlds-biggest-known-scorpion-the-size-of-a-dog\" rel=\"nofollow noopener\" target=\"_blank\">\u0159ekl <\/a>hlavn\u00ed autor studie Richie Howard z P\u0159\u00edrodov\u011bdn\u00e9ho muzea ve Velk\u00e9 Brit\u00e1nii.\u00a0<\/p>\n<p>Dodal k tomu:\u00a0<\/p>\n<p>\u201eTo nazna\u010duje, \u017ee tento druh mohl vyr\u016fst do takov\u00fdch rozm\u011br\u016f, proto\u017ee neexistovali \u017e\u00e1dn\u00ed jin\u00ed velc\u00ed pred\u00e1to\u0159i, co\u017e mu umo\u017enilo dominanci v jeho vlastn\u00edm prost\u0159ed\u00ed.\u201c<\/p>\n<p>Velkou \u010d\u00e1st \u017eivota str\u00e1vil ve vod\u011b\u00a0\u00a0<\/p>\n<p>T\u00fdm si tak\u00e9 na kon\u010detin\u00e1ch v\u0161iml zvl\u00e1\u0161tn\u00edch r\u00fdh. S nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed slou\u017eily k vyd\u00e1v\u00e1n\u00ed zvuk\u016f. \u0158\u00edk\u00e1 se tomu stridulace \u2013 vyluzov\u00e1n\u00ed zvuk\u016f t\u0159en\u00edm dvou \u010d\u00e1st\u00ed t\u011bla o sebe.\u00a0<\/p>\n<p>Podle v\u011bdc\u016f \u0161t\u00edr tr\u00e1vil mnoho \u010dasu ve vod\u011b. \u201eBez komplexn\u00edch ekosyst\u00e9m\u016f, kter\u00e9 by ho podporovaly na sou\u0161i, pravd\u011bpodobn\u011b tato zv\u00ed\u0159ata str\u00e1vila \u010d\u00e1st sv\u00e9ho \u017eivota lovem ve vod\u011b,\u201c uvedl Howard.\u00a0<\/p>\n<p>Tento druh \u0161t\u00edra mohl d\u00edky absenci konkurence \u017e\u00edt a\u017e 40 milion\u016f let, ne\u017e zmizel. Pozd\u011bji sou\u0161 okupovali jin\u00ed ob\u0159\u00ed \u010dlenovci. Po Zemi se pohybovaly mnohono\u017eky velk\u00e9 jako auta a v\u00e1\u017eky s rozm\u011bry modern\u00edch drav\u00fdch pt\u00e1k\u016f.\u00a0<\/p>\n<p>Fosilie byla objevena u\u017e v roce 1870. Od t\u00e9 doby se vedla debata o tom, o jak\u00e9ho tvora \u0161lo.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"Kdybyste se p\u0159ed 415 miliony let proch\u00e1zeli po zaplaven\u00fdch koutech na\u0161\u00ed planety, nenarazili byste na \u017e\u00e1dn\u00e9 savce. Museli&hellip;\n","protected":false},"author":2,"featured_media":116944,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[11],"tags":[2038,32931,2037,486,32930,54,53,52],"class_list":["post-116943","post","type-post","status-publish","format-standard","has-post-thumbnail","category-svet","tag-clanek","tag-clenovci","tag-nedd","tag-pravek","tag-stiri","tag-svet","tag-world","tag-world-news"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116744710084279717","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/116943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=116943"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/116943\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/116944"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=116943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=116943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=116943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}