{"id":1629,"date":"2021-01-16T22:19:52","date_gmt":"2021-01-16T20:19:52","guid":{"rendered":"http:\/\/history.karpat.in.ua\/?p=1629"},"modified":"2021-01-16T00:29:57","modified_gmt":"2021-01-15T22:29:57","slug":"ritka-osmaradvanyra-bukkantak-nemetorszagban","status":"publish","type":"post","link":"https:\/\/history.karpat.in.ua\/?p=1629&lang=hu","title":{"rendered":"Ritka \u0151smaradv\u00e1nyra bukkantak N\u00e9metorsz\u00e1gban"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>T\u00f6bb mint k\u00e9t m\u00e9teresek lehetettek az asteracanthusok, a mai c\u00e1p\u00e1k \u00e9s r\u00e1j\u00e1k legk\u00f6zelebbi, \u0151si rokonai \u2013 \u00e1llap\u00edtott\u00e1k meg osztr\u00e1k \u00e9s sv\u00e1jci kutat\u00f3k egy rendk\u00edv\u00fcli fosszilis lelet alapj\u00e1n, melyre nemr\u00e9g bukkantak N\u00e9metorsz\u00e1gban.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Rendk\u00edv\u00fcl ritka a teljes \u00e9ps\u00e9g\u00e9ben meg\u0151rz\u0151d\u00f6tt porcos v\u00e1z<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A dinoszauruszokkal egy\u00fctt kihalt \u00e1llatokt\u00f3l eddig csak izol\u00e1lt csontv\u00e1zt\u00f6red\u00e9kek maradtak fent, \u0151sl\u00e9nykutat\u00f3k ez\u00fattal azonban egy nemr\u00e9g felfedezett, rendk\u00edv\u00fcl j\u00f3 \u00e1llapotban fennmaradt fosszilis csontv\u00e1zat tudtak megvizsg\u00e1lni.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Teljes hossza 2,5 m\u00e9ter volt, ezzel kora egyik legnagyobb \u0151si c\u00e1p\u00e1ja lehetett.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A maradv\u00e1nyokat Bajororsz\u00e1gban, a solnhofeni litogr\u00e1f pal\u00e1ban tal\u00e1lt\u00e1k meg n\u00e9h\u00e1ny \u00e9ve.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/cdn.nwmgroups.hu\/s\/img\/i\/2101\/20210115asterachantus.jpg?w=800&amp;h=591&amp;t=5\" alt=\"\"\/><figcaption>Az Asterachantus rekonstrukci\u00f3ja. Ezek az \u0151si c\u00e1p\u00e1k a mai is \u00e9l\u0151 bikafej\u0171 c\u00e1p\u00e1khoz (Heterodontidae) hasonl\u00edthattak <em>Forr\u00e1s: Paleot\u00f3p\/Szab\u00f3 M\u00e1rton<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ezen a ter\u00fcleten mintegy 150 milli\u00f3 \u00e9ve, a fels\u0151 jura id\u0151szakban tropikus-szubtropikus lag\u00fanavid\u00e9k alakult ki.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az itt v\u00e9gzett felt\u00e1r\u00e1sokon az elm\u00falt 150 \u00e9vben sz\u00e1mos c\u00e1pa- \u00e9s r\u00e1jafossz\u00edli\u00e1t tal\u00e1ltak. De mivel a porcos halak v\u00e1zrendszere viszonylag kev\u00e9sb\u00e9 ellen\u00e1ll\u00f3, csak kev\u00e9s \u00e9pen megmaradt fossz\u00edlia \u0151rz\u0151d\u00f6tt meg.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/cdn.nwmgroups.hu\/s\/img\/i\/2101\/20210115asterachantus1.jpg?w=800&amp;h=600&amp;t=5\" alt=\"\"\/><figcaption>Egy fosszilis Asterachantus h\u00e1t\u00fasz\u00f3 t\u00fcske kinagy\u00edtott k\u00e9pe <em>Forr\u00e1s: G\u00e9oforum<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Az asteracanthusokt\u00f3l f\u0151k\u00e9nt uszonyt\u00fcsk\u00e9k maradtak fenn \u2013 mondta el Sebastian Stumpf, a B\u00e9csi Egyetem Paleontol\u00f3giai Int\u00e9zet\u00e9nek munkat\u00e1rsa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>A f\u00f6ldt\u00f6rt\u00e9net \u00f3kor\u00e1ban, a devon korban bukkantak fel<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez\u00e9rt k\u00fcl\u00f6n\u00f6sen meglepte a szakembereket egy szinte teljes, r\u00e1ad\u00e1sul j\u00f3 \u00e1llapot\u00fa v\u00e1zmaradv\u00e1ny megtal\u00e1l\u00e1sa. Ez a solhofeni pal\u00e1ban valaha tal\u00e1lt legnagyobb c\u00e1pacsontv\u00e1z. Az \u00e1llat fogazata is rendk\u00edv\u00fcl j\u00f3 \u00e1llapotban \u0151rz\u0151d\u00f6tt meg: t\u00f6bb mint 150 fog \u00fclt az \u00e1llkapcsaiban, a fogak egy k\u00f6z\u00e9ps\u0151 f\u0151cs\u00facsb\u00f3l \u00e9s t\u00f6bb mell\u00e9kcs\u00facsb\u00f3l \u00e1lltak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sok kor\u00e1bban tal\u00e1lt fogat t\u00e9vesen tulajdon\u00edtottak az asteracanthusoknak, amelyeket v\u00e9lhet\u0151en a kem\u00e9nyh\u00e9j\u00fa organizmusok felt\u00f6r\u00e9s\u00e9re haszn\u00e1lt\u00e1k az \u0151si c\u00e1p\u00e1k.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A most felfedezett fogak azonban arra utalnak, hogy az asteracanthusok nem\u00e9be tartoz\u00f3 \u00e1llatok vad\u00e1szok volt, amelyek sokf\u00e9le t\u00e1pl\u00e1l\u00e9kot fogyasztottak \u2013 hangs\u00falyozt\u00e1k a tud\u00f3sok.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/cdn.nwmgroups.hu\/s\/img\/i\/2101\/20210115asterachantus1.jpeg?w=800&amp;h=564&amp;t=5\" alt=\"\"\/><figcaption>Ma is \u00e9l\u0151 legk\u00f6zelebbi rokonai a bikafej\u0171 c\u00e1p\u00e1k, amelynek \u0151sei az Asterachantus kort\u00e1rsai lehettek a mezozoikumban <em>Forr\u00e1s: Wikimedia Commons\/ Cymothoa exigua<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Az asteracanthusok el\u0151sz\u00f6r a devon f\u00f6ldt\u00f6rt\u00e9neti id\u0151szakban, mintegy 361 milli\u00f3 \u00e9ve jelentek meg \u00e9s a kr\u00e9ta id\u0151szak v\u00e9g\u00e9n, 66 milli\u00f3 \u00e9ve haltak ki a dinoszauruszokkal egy\u00fctt. K\u00e9t h\u00e1t\u00fasz\u00f3juk volt, amelyeket egy-egy er\u0151teljes \u00fasz\u00f3t\u00fcske t\u00e1masztott meg. Egy ilyen \u00fasz\u00f3t\u00fcsk\u00e9re bukkant t\u00f6bb mint 180 \u00e9ve Louis Agassiz sv\u00e1jci\u2013amerikai term\u00e9szetkutat\u00f3, \u00e9s ez alapj\u00e1n \u00edrt\u00e1k le el\u0151sz\u00f6r ezeket az \u0151si porcos halakat.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/www.origo.hu\/tudomany\/20210115-tobb-mint-ket-meteresek-lehettek-az-asteracanthusok-a-mai-capak-es-rajak-osi-rokonai-1.html\" target=\"_blank\" rel=\"noreferrer noopener\">(origo.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00f6bb mint k\u00e9t m\u00e9teresek lehetettek az asteracanthusok, a mai c\u00e1p\u00e1k \u00e9s r\u00e1j\u00e1k legk\u00f6zelebbi, \u0151si rokonai \u2013 \u00e1llap\u00edtott\u00e1k meg osztr\u00e1k \u00e9s sv\u00e1jci kutat\u00f3k egy rendk\u00edv\u00fcli fosszilis lelet alapj\u00e1n, melyre nemr\u00e9g bukkantak N\u00e9metorsz\u00e1gban.<\/p>\n","protected":false},"author":12,"featured_media":1630,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,23,39],"tags":[1744,1743],"class_list":["post-1629","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-fotok","category-vilag","tag-nemetorszag","tag-osmaradvany"],"_links":{"self":[{"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/1629","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1629"}],"version-history":[{"count":0,"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/1629\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/1630"}],"wp:attachment":[{"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/history.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}