Jedn\u00edm z\u00a0nejv\u00fdrazn\u011bj\u0161\u00edch znak\u016f tohoto plaza byl jeho \u201ezob\u00e1k\u201c, kter\u00fd n\u00e1padn\u011b p\u0159ipom\u00ednal zob\u00e1k papou\u0161ka. Tento specializovan\u00fd tvar \u010delist\u00ed pravd\u011bpodobn\u011b slou\u017eil k\u00a0efektivn\u00edmu zpracov\u00e1n\u00ed rostlinn\u00e9 potravy, nap\u0159\u00edklad k\u00a0p\u0159ekousnut\u00ed rostlin nebo vyhrab\u00e1v\u00e1n\u00ed ko\u0159en\u016f. Isodapedon varzealis byl \u010dty\u0159noh\u00fd b\u00fdlo\u017eravec, kter\u00fd dor\u016fstal d\u00e9lky p\u0159ibli\u017en\u011b 1,2\u00a0a\u017e 1,5\u00a0metru.<\/p>\n
P\u0159\u00edprava fosilie byla \u010dasov\u011b n\u00e1ro\u010dn\u00e1 a\u00a0zabrala v\u00edce ne\u017e \u0161est m\u011bs\u00edc\u016f. V\u011bdci museli opatrn\u011b odstranit okoln\u00ed horninu, zejm\u00e9na v\u00a0oblasti zub\u016f, kde se nach\u00e1zej\u00ed kl\u00ed\u010dov\u00e9 znaky pro taxonomick\u00e9 ur\u010den\u00ed druhu. Pr\u00e1v\u011b detailn\u00ed struktura chrupu sehr\u00e1la z\u00e1sadn\u00ed roli p\u0159i potvrzen\u00ed, \u017ee se jedn\u00e1 o\u00a0nov\u00fd druh.<\/p>\n Objev m\u00e1 \u0161ir\u0161\u00ed v\u00fdznam pro pochopen\u00ed v\u00fdvoje \u017eivota v\u00a0obdob\u00ed triasu. Rhynchosau\u0159i pat\u0159ili mezi dominantn\u00ed b\u00fdlo\u017eravce sv\u00e9 doby a\u00a0jejich fosilie jsou d\u016fle\u017eit\u00e9 tak\u00e9 jako tzv. indexov\u00e9 zkamen\u011bliny, kter\u00e9 pom\u00e1haj\u00ed v\u011bdc\u016fm datovat horninov\u00e9 vrstvy.<\/p>\n N\u00e1lez druhu Isodapedon varzealis zvy\u0161uje po\u010det zn\u00e1m\u00fdch druh\u016f t\u00e9to skupiny z\u00a0brazilsk\u00e9ho triasu na \u0161est, co\u017e nazna\u010duje, \u017ee zde dos\u00e1hli zna\u010dn\u00e9 druhov\u00e9 rozmanitosti.<\/p>\n P\u0159\u00edbuzn\u00ed ve Skotsku?<\/p>\n Zaj\u00edmav\u00fdm aspektem nov\u00e9 odborn\u00e9 studie<\/a> je i\u00a0srovn\u00e1n\u00ed s\u00a0podobn\u00fdmi fosiliemi nalezen\u00fdmi ve Skotsku. Anal\u00fdza uk\u00e1zala v\u00fdrazn\u00e9 p\u0159\u00edbuzensk\u00e9 vztahy mezi t\u011bmito vzd\u00e1len\u00fdmi populacemi.<\/p>\n V\u011bdci tento fakt vysv\u011btluj\u00ed existenc\u00ed superkontinentu Pangea, kter\u00fd spojoval dne\u0161n\u00ed kontinenty a\u00a0umo\u017e\u0148oval \u017eivo\u010dich\u016fm voln\u011b se \u0161\u00ed\u0159it bez oce\u00e1nsk\u00fdch bari\u00e9r.<\/p>\n Objev tak p\u0159in\u00e1\u0161\u00ed nejen nov\u00fd druh do rodokmenu prav\u011bk\u00fdch plaz\u016f, ale tak\u00e9 d\u016fle\u017eit\u00e9 poznatky o\u00a0v\u00fdvoji ekosyst\u00e9m\u016f v\u00a0dob\u011b, kdy se na Zemi za\u010d\u00ednali objevovat prvn\u00ed dinosau\u0159i.<\/p>\n Trias<\/p>\n Trias je prvn\u00ed obdob\u00ed druhohorn\u00ed \u00e9ry, kter\u00e9 trvalo p\u0159ibli\u017en\u011b od 252\u00a0do 201\u00a0milion\u016f let a\u00a0navazovalo na perm, tedy posledn\u00ed obdob\u00ed prvohor (star\u0161\u00ed geologick\u00e9 \u00e9ry p\u0159ed druhohorami). Po konci permu do\u0161lo k\u00a0nejv\u011bt\u0161\u00edmu hromadn\u00e9mu vym\u00edr\u00e1n\u00ed v\u00a0historii Zem\u011b, po n\u011bm\u017e se v\u00a0triasu postupn\u011b obnovoval \u017eivot. Obdob\u00ed se vyzna\u010dovalo tepl\u00fdm klimatem a\u00a0rozvojem plaz\u016f, p\u0159i\u010dem\u017e se objevili i\u00a0prvn\u00ed dinosau\u0159i a\u00a0savc\u016fm podobn\u00ed \u017eivo\u010dichov\u00e9, zat\u00edmco ekosyst\u00e9my se postupn\u011b stabilizovaly a\u00a0rozr\u016fz\u0148ovaly.<\/p>\n![](\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/04\/nove-mexiko-tyranosaurus-rex-paleontologie.jpeg\")
<\/a><\/p>\n![](\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/04\/dinosaurus-usa-muzeum.jpeg\")
<\/a>![](\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/04\/amoniti-fosilie.jpeg\")
<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Zkamen\u011bl\u00e9 poz\u016fstatky, na jejich\u017e z\u00e1klad\u011b byl druh pops\u00e1n, byly objeveny ji\u017e v\u00a0roce 2020\u00a0v\u00a0oblasti m\u011bsta Agudo ve st\u00e1t\u011b Rio…\n","protected":false},"author":2,"featured_media":69034,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[1212,489,487,1472,486,1135,94,93],"class_list":{"0":"post-69033","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sport","8":"tag-brazilie","9":"tag-fosilie","10":"tag-paleontologie","11":"tag-plaz","12":"tag-pravek","13":"tag-skotsko","14":"tag-sport","15":"tag-sports"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116482077075225763","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/69033","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=69033"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/69033\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/69034"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=69033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=69033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=69033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}