Ceratopsov\u00e9, ikoni\u010dt\u00ed \u201erohat\u00ed dinosau\u0159i\u201c, kte\u0159\u00ed se potulovali po Zemi v obdob\u00ed k\u0159\u00eddy, byli rozmanitou skupinou b\u00fdlo\u017eravc\u016f zn\u00e1m\u00fdch sv\u00fdmi v\u00fdrazn\u00fdmi obli\u010dejov\u00fdmi rysy, v\u010detn\u011b roh\u016f a kost\u011bn\u00fdch l\u00edmc\u016f. P\u0159esto\u017ee se kdysi v\u011b\u0159ilo, \u017ee ceratopsov\u00e9 se vyskytovali pouze v Severn\u00ed Americe a v\u00fdchodn\u00ed Asii, ned\u00e1vn\u00e9 objevy odhalily, \u017ee tato fascinuj\u00edc\u00ed stvo\u0159en\u00ed se dostala tak\u00e9 do Evropy.<\/p>\n\n
V roce 2010 ozn\u00e1mili paleontologov\u00e9 Attila Osi, Richard Butler a David Weishampel objev nov\u00e9ho druhu ceratopsa z Ma\u010farska pojmenovan\u00e9ho Ajkaceratops kozmai. Tento mal\u00fd dinosaurus, zastoupen\u00fd \u00falomky lebky a \u010delisti, se li\u0161il od sv\u00fdch severoamerick\u00fdch a asijsk\u00fdch bratranc\u016f absenc\u00ed masivn\u00edch nado\u010dn\u00edch roh\u016f nebo velk\u00e9ho kost\u011bn\u00e9ho l\u00edmce. M\u00edsto toho se velmi podobal ceratops\u016fm, jako byli Bagaceratops a Magnirostris z Mongolska.<\/p>\n\n
Objev Ajkaceratopse v Evrop\u011b vyvolal zaj\u00edmav\u00e9 ot\u00e1zky o tom, jak se tento rohat\u00fd dinosaurus dostal tak daleko na z\u00e1pad. V pozdn\u00ed k\u0159\u00edd\u011b byla velk\u00e1 \u010d\u00e1st Evropy pokryta mo\u0159em, co\u017e nazna\u010duje, \u017ee Ajkaceratops \u017eil na ostrov\u011b. Jeho mal\u00e1 velikost ve srovn\u00e1n\u00ed s podobn\u00fdmi dinosaury nazna\u010duje mo\u017enost trpaslictv\u00ed, ale k potvrzen\u00ed t\u00e9to hypot\u00e9zy je zapot\u0159eb\u00ed dal\u0161\u00ed v\u00fdzkum.<\/p>\n\n
Auto\u0159i studie navrhli, \u017ee populace Ajkaceratopse (nebo jejich p\u0159edk\u016f) p\u0159eskakovaly z ostrov\u016f od z\u00e1padn\u00edho pob\u0159e\u017e\u00ed Asie do Evropy. Tato my\u0161lenka odpov\u00edd\u00e1 p\u0159\u00edtomnosti \u00fazce p\u0159\u00edbuzn\u00fdch ceratops\u016f v Asii, jako byli Bagaceratops a Magnirostris.<\/p>\n\n
P\u0159\u00edtomnost Ajkaceratopse v Evrop\u011b zpochyb\u0148uje tradi\u010dn\u00ed pohledy na evoluci a roz\u0161\u00ed\u0159en\u00ed ceratops\u016f. Nazna\u010duje, \u017ee tito dinosau\u0159i byli roz\u0161\u00ed\u0159en\u011bj\u0161\u00ed a p\u0159izp\u016fsobiv\u011bj\u0161\u00ed, ne\u017e se d\u0159\u00edve myslelo. Objev tak\u00e9 zd\u016fraz\u0148uje slo\u017eitou interakci mezi geografi\u00ed, ekologi\u00ed a evolu\u010dn\u00edmi procesy, kter\u00e9 utv\u00e1\u0159ely rozmanitost dinosaur\u016f v obdob\u00ed k\u0159\u00eddy.<\/p>\n\n
Objev Ajkaceratopse otev\u00edr\u00e1 nov\u00e9 cesty pro v\u00fdzkum biogeografie ceratops\u016f, evolu\u010dn\u00edch vztah\u016f a vzorc\u016f \u0161\u00ed\u0159en\u00ed. Jsou zapot\u0159eb\u00ed dal\u0161\u00ed studie k potvrzen\u00ed hypot\u00e9zy o p\u0159eskakov\u00e1n\u00ed ostrov\u016f, prozkoum\u00e1n\u00ed potenci\u00e1ln\u00edho trpaslictv\u00ed Ajkaceratopse a zkoum\u00e1n\u00ed \u0161ir\u0161\u00edch d\u016fsledk\u016f rozmanitosti ceratops\u016f v Evrop\u011b.<\/p>\n\n
Tento objev nejen roz\u0161i\u0159uje na\u0161e znalosti o ceratopsech, ale tak\u00e9 poskytuje pohled do slo\u017eit\u00e9 a dynamick\u00e9 povahy evoluce a \u0161\u00ed\u0159en\u00ed dinosaur\u016f v obdob\u00ed k\u0159\u00eddy.<\/p>","protected":false},"excerpt":{"rendered":"
Ceratopsov\u00e9: Ostrovn\u00ed dinosau\u0159i cestuj\u00edc\u00ed z Asie do Evropy Rohat\u00ed dinosau\u0159i k\u0159\u00eddov\u00e9 Severn\u00ed Ameriky a Asie Ceratopsov\u00e9, ikoni\u010dt\u00ed \u201erohat\u00ed dinosau\u0159i\u201c, kte\u0159\u00ed se potulovali po Zemi v obdob\u00ed k\u0159\u00eddy, byli rozmanitou skupinou…<\/p>\n","protected":false},"author":6,"featured_media":23493,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[16896,16895,134,136,16897,554,137],"class_list":["post-12503","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paleontology","tag-biogeography","tag-ceratopsians","tag-dinosaurs","tag-evolution","tag-island-hopping","tag-cretaceous","tag-paleontology"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=12503"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12503\/revisions"}],"predecessor-version":[{"id":12504,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12503\/revisions\/12504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/23493"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=12503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=12503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=12503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}