{"id":5005358,"date":"2006-02-28T18:12:55","date_gmt":"2006-02-28T17:12:55","guid":{"rendered":"https:\/\/criticalbiomass.blog.hu\/2006\/02\/28\/hodfarku_vidra_hasonmas"},"modified":"2006-02-28T18:12:55","modified_gmt":"2006-02-28T17:12:55","slug":"hodfarku_vidra_hasonmas","status":"publish","type":"post","link":"https:\/\/criticalbiomass.hu\/?p=5005358","title":{"rendered":"H\u00f3dfark\u00fa vidra-hasonm\u00e1s"},"content":{"rendered":"<p><img decoding=\"async\" src=\"http:\/\/www.sciam.com\/media\/inline\/000A07DF-3C56-13FE-BC5683414B7F0000_1.gif\" align=\"right\" hspace=\"5\" vspace=\"3\"><br \/>\nKb. ezt jelenti a leg\u00fajabban felfedezett eml\u0151s-\u0151s latin neve (<i>Castorocauda lutrasimilis<\/i>), melyet a pittsburghi <a href=\"http:\/\/www.carnegiemnh.org\/news\/06-jan-mar\/022306caud.htm\">Carnegie Museum of Natural History<\/a> kutat\u00f3i valamint k\u00ednai kolleg\u00e1ik t\u00e1rtak fel Bels\u0151-Mong\u00f3li\u00e1ban.<br \/>\nA 164 milli\u00f3 \u00e9ves, val\u00f3sz\u00edn\u0171leg a kacsacs\u0151r\u0171 eml\u0151s\u00f6kh\u00f6z hasonl\u00f3 \u00e9letm\u00f3dot folytat\u00f3 \u0151seml\u0151s csontv\u00e1za a leletekben gazdag Jiulongshan form\u00e1ci\u00f3b\u00f3l ker\u00fclt el\u0151. Ami\u00e9rt paleontol\u00f3gus k\u00f6r\u00f6kben k\u00f6zel szenz\u00e1ci\u00f3k\u00e9nt kezelik, az a m\u00e9rete, amely majdnem f\u00e9l m\u00e9ter. B\u00e1r a jura viszonylat\u00e1ban ez nem sz\u00e1m\u00edt \u00e9ppen f\u00f6ldrenget\u0151nek (s\u0151t), m\u00e9gis l\u00e9nyegesen nagyobb, mint az eddig el\u0151ker\u00fclt, kb. cick\u00e1ny nagys\u00e1g\u00fa \u0151si eml\u0151scsontv\u00e1zak; azaz az \u0151si eml\u0151s\u00f6k csoportja sokkal sz\u00ednesebb lehettett, mint azt eddig felt\u00e9telezt\u00e9k. Tov\u00e1bbi \u00e9rdekess\u00e9g, hogy ugyan az \u00f6sszehasonl\u00edt\u00f3 anat\u00f3miai vizsg\u00e1latok erdem\u00e9nyei arra utalnak, hogy a <i>Castorocauda<\/i> nem a mai eml\u0151s\u00f6k k\u00f6zvetlen \u0151se (hanem egy k\u00f6zeli, de k\u00fcl\u00f6n\u00e1ll\u00f3 rokon-\u00e1g k\u00e9pvisel\u0151je, amely az\u00f3ta kihalt), nemcsak a farka k\u00fclleme eml\u00e9keztet a h\u00f3dokra, de a fark\u00e1ban el\u0151fordul\u00f3 csigoly\u00e1k is igen hasonl\u00f3ak a h\u00f3dok farokcsigoly\u00e1ihoz, a konvergens evol\u00faci\u00f3 sz\u00e9p p\u00e9ld\u00e1jak\u00e9nt. (A &#8222;konvergens evol\u00faci\u00f3&#8221; azt jelenti, hogy k\u00fcl\u00f6nb\u00f6z\u0151 erdet\u0171 , de nagyon hasonl\u00f3 \u00e9l\u0151helyeken el\u0151fordul\u00f3 \u00e1llatokban gyakran egym\u00e1st\u00f3l teljesen f\u00fcggetlen\u00fcl alakulnak ki hasonl\u00f3 anat\u00f3miai jegyek).<\/p>\n<p><center><br \/>\n<img decoding=\"async\" src=\"http:\/\/www.carnegiemnh.org\/news\/06-jan-mar\/mammal\/tree72.jpg\" hspace=\"5\" vspace=\"3\" width=\"600\"><br \/>\n<\/center><\/p>\n<hr>\n<p><font size=\"1\"><br \/>\n<b>Ji Q., Luo Z.-X., Yuan C.-X.&amp; Tabrum A. R.<\/b> (2006) A Swimming Mammaliaform from the Middle Jurassic and Ecomorphological Diversification of Early Mammals <i>Science<\/i> <b>311<\/b>: 1123 &#8211; 1127.<br \/>\n<\/font><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kb. ezt jelenti a leg\u00fajabban felfedezett eml\u0151s-\u0151s latin neve (Castorocauda lutrasimilis), melyet a pittsburghi Carnegie Museum of Natural History kutat\u00f3i valamint k\u00ednai kolleg\u00e1ik t\u00e1rtak fel Bels\u0151-Mong\u00f3li\u00e1ban. A 164 milli\u00f3 \u00e9ves, val\u00f3sz\u00edn\u0171leg a kacsacs\u0151r\u0171 eml\u0151s\u00f6kh\u00f6z hasonl\u00f3 \u00e9letm\u00f3dot folytat\u00f3 \u0151seml\u0151s csontv\u00e1za a &hellip; <a href=\"https:\/\/criticalbiomass.hu\/?p=5005358\">Egy kattint\u00e1s ide a folytat\u00e1shoz&#8230;. <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5005358","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts\/5005358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5005358"}],"version-history":[{"count":0,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts\/5005358\/revisions"}],"wp:attachment":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5005358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5005358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5005358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}