{"id":245,"date":"2023-10-11T16:33:40","date_gmt":"2023-10-11T16:33:40","guid":{"rendered":"http:\/\/www.123fakta.com\/da\/?p=245"},"modified":"2026-03-19T10:38:02","modified_gmt":"2026-03-19T10:38:02","slug":"faktoja-dinosauruksista","status":"publish","type":"post","link":"https:\/\/www.123fakta.com\/fi\/facts-about-dinosaurs","title":{"rendered":"Tietoja dinosauruksista"},"content":{"rendered":"<p>Dinosaurukset ovat jo pitk\u00e4\u00e4n kiehtoneet mielikuvitustamme mahtavuudellaan ja muinaisilla salaisuuksillaan. N\u00e4m\u00e4 maapallolla aikoinaan vaeltaneet esihistorialliset olennot ovat j\u00e4tt\u00e4neet j\u00e4lkeens\u00e4 korvaamattoman arvokkaan perinn\u00f6n fossiileja ja tieteellisi\u00e4 l\u00f6yt\u00f6j\u00e4. T\u00e4ss\u00e4 artikkelissa sukellamme dinosaurusten maailmaan ja tutustumme perustietoihin, paleontologiaan, dinosaurusten ik\u00e4\u00e4n ja dinosaurusfossiileissa s\u00e4ilyneisiin kiehtoviin yksityiskohtiin.<\/p>\n<h2>Fakta: T-Rex on l\u00e4hemp\u00e4n\u00e4 meit\u00e4 kuin se oli Stegosaurukselle.<\/h2>\n<p>Tyrannosaurus rex oli olemassa noin 68-66 miljoonaa vuotta sitten liitukauden lopulla, kun taas Stegosaurus eli noin 155-150 miljoonaa vuotta sitten my\u00f6h\u00e4isjurakaudella. N\u00e4in ollen T-Rexin ja nykyhetken v\u00e4linen aika on lyhyempi kuin T-Rexin ja Stegosauruksen v\u00e4linen aika.<\/p>\n<figure id=\"attachment_8119\" aria-describedby=\"caption-attachment-8119\" style=\"width: 1014px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8119 size-full\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/dinosaur.png\" alt=\"T-rex on yksi tunnetuimmista dinosauruksista.\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/dinosaur.png 1024w, https:\/\/www.123fakta.com\/wp-content\/uploads\/dinosaur-300x300.png 300w, https:\/\/www.123fakta.com\/wp-content\/uploads\/dinosaur-150x150.png 150w, https:\/\/www.123fakta.com\/wp-content\/uploads\/dinosaur-768x768.png 768w, https:\/\/www.123fakta.com\/wp-content\/uploads\/dinosaur-12x12.png 12w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-8119\" class=\"wp-caption-text\">Olemme ajallisesti l\u00e4hemp\u00e4n\u00e4 Tyrannosaurus Rexi\u00e4 (68-66 miljoonaa vuotta sitten) kuin Tyrannosaurus Rex oli Stegosaurusta (155-150 miljoonaa vuotta sitten).<\/figcaption><\/figure>\n<h2>Yleisi\u00e4 dinosaurusfaktoja<\/h2>\n<ol>\n<li>Dinosaurusten merkitt\u00e4v\u00e4 pitk\u00e4ik\u00e4isyys: Dinosaurukset, matelijoiden ryhm\u00e4, hallitsivat maapalloa uskomattomat 245 miljoonaa vuotta.<\/li>\n<li>Keksitty termi: Termi \"Dinosauria\" keksittiin ensimm\u00e4isen kerran vuonna 1842 englantilaisen luonnontieteilij\u00e4n Sir Richard Owenin toimesta. Se tulee kreikan sanoista \"deinos\", joka tarkoittaa \"kauheaa, hirve\u00e4\u00e4, suurta\", ja \"sauros\", joka tarkoittaa \"liskoa\" - nimi on s\u00e4ilynyt kautta aikojen.<\/li>\n<li>Maailmanlaajuiset fossiilil\u00f6yd\u00f6t: Dinosaurusten fossiileja on l\u00f6ydetty kaikilta seitsem\u00e4lt\u00e4 mantereelta, mik\u00e4 valaisee niiden maailmanlaajuista l\u00e4sn\u00e4oloa.<\/li>\n<li>Massasukupuutto: Kaikki muut kuin avian dinosaurukset kuolivat noin 66 miljoonaa vuotta sitten, mik\u00e4 merkitsi aikakauden loppua.<\/li>\n<li>Monimuotoiset lajit: Dinosaurukset: Ulos kuolleista dinosauruksista on tunnistettu noin 700 tunnettua lajia.<\/li>\n<li>Linnut: Linnut: El\u00e4v\u00e4t dinosaurukset: Modern <a href=\"https:\/\/www.123fakta.com\/fi\/faktoja-linnuista\/\">linnut<\/a> niill\u00e4 on yhteinen esi-is\u00e4 muiden dinosaurusten kuin aavialaisten dinosaurusten kanssa, joten ne jatkavat dinosaurusten sukulinjaa. T\u00e4m\u00e4 yhteys kyseenalaistaa k\u00e4sityksen, jonka mukaan dinosaurukset ovat kokonaan kuolleet sukupuuttoon.<\/li>\n<\/ol>\n<h2>Dinosaurusten aika<\/h2>\n<ol>\n<li>Monipuolinen ajallinen alue: Dinosaurukset eiv\u00e4t el\u00e4neet rinnakkain koko historiansa ajan. Eri dinosauruslajit menestyiv\u00e4t eri geologisten kausien aikana, nimitt\u00e4in triaskaudella, jurakaudella ja liitukaudella.<\/li>\n<li>Mesotsooinen kausi: Dinosaurukset hallitsivat mesotsooisella kaudella, jota kutsutaan osuvasti \"dinosaurusten aikakaudeksi\". T\u00e4m\u00e4 aikakausi k\u00e4sitti kolme erillist\u00e4 ajanjaksoa: triaskausi, jurakausi ja liitukausi.<\/li>\n<li>Triaskauden alku: Dinosaurukset ilmestyiv\u00e4t varhaisimmillaan triaskaudella, noin 250-200 miljoonaa vuotta sitten.<\/li>\n<li>Stegosauruksesta Tyrannosaurus rexiin: Eri dinosauruslajit eliv\u00e4t eri aikoina. Esimerkiksi Stegosaurus vaelsi my\u00f6h\u00e4isjurakaudella noin 150 miljoonaa vuotta sitten, kun taas Tyrannosaurus rex hallitsi my\u00f6h\u00e4isliitukaudella noin 72 miljoonaa vuotta sitten.<\/li>\n<li>Massasukupuuttumisteoriat: Dinosaurusten joukkosukupuutto liitukauden lopussa johtui useista eri tekij\u00f6ist\u00e4, kuten massiivisesta asteroidit\u00f6rm\u00e4yksest\u00e4, merenpinnan korkeuden vaihtelusta ja tulivuoritoiminnasta.<\/li>\n<\/ol>\n<h2>Bonustiedot<\/h2>\n<ol>\n<li>Stegosaurus: \"P\u00e4hkin\u00e4aivoinen\" dinosaurus: Vaikka Stegosaurus oli visuaalisesti vaikuttava, sen aivot olivat p\u00e4hkin\u00e4n kokoiset, vain 3 senttimetri\u00e4 pitk\u00e4t ja painoivat vain 75 grammaa. Sit\u00e4 pidet\u00e4\u00e4n yhten\u00e4 v\u00e4hiten \u00e4lykk\u00e4ist\u00e4 dinosauruksista.<\/li>\n<li>Yll\u00e4tt\u00e4v\u00e4t koot: Monet dinosaurukset olivat kuitenkin l\u00e4hemp\u00e4n\u00e4 ihmisen kokoa tai jopa pienempi\u00e4. Useimmat tiedemiehet uskovat, ett\u00e4 suuremmat luut olivat todenn\u00e4k\u00f6isempi\u00e4 fossiilistua.<\/li>\n<li>Pisin dinosaurus: Argentinosaurus, pisin dinosaurus, oli yli 40 metri\u00e4 pitk\u00e4, mik\u00e4 vastaa nelj\u00e4n paloauton pituutta. Se piti hallussaan my\u00f6s painavimman dinosauruksen enn\u00e4tyst\u00e4, sill\u00e4 se painoi huikeat 77 tonnia, mik\u00e4 vastaa 17 tonnia. <a href=\"https:\/\/www.123fakta.com\/fi\/tosiasioita-norsuista\/\">Afrikkalaiset norsut<\/a>.<\/li>\n<li>Ep\u00e4tavalliset ruokailutottumukset: Ne j\u00e4iv\u00e4t niiden vatsaan auttamaan ruoan jauhamista.<\/li>\n<li>Gepardi vs. dinosaurukset: Vaikka jotkut dinosaurukset, kuten Compsognathus ja Ornithomimus, olivat aikansa nopeinta kansaa, nykyp\u00e4iv\u00e4n gepardi voi p\u00e4ihitt\u00e4\u00e4 mink\u00e4 tahansa dinosauruksen, joka on koskaan ollut olemassa.<\/li>\n<li>\"Dinosauruksen\" alkuper\u00e4: Sir Richard Owen, englantilainen paleontologi, keksi termin \"dinosaurus\" vuonna 1842, kun h\u00e4n havaitsi n\u00e4iden olentojen fossiileja. Nimess\u00e4 yhdistyv\u00e4t kreikankieliset sanat \"deinos\" (kauhea, hirvitt\u00e4v\u00e4, suuri) ja \"sauros\" (lisko).<\/li>\n<li>Fossiiliset tallenteet: Fossiiliset tallenteet sis\u00e4lt\u00e4v\u00e4t luita, hampaita, munia, jalanj\u00e4lki\u00e4, j\u00e4lki\u00e4, hampaiden j\u00e4lki\u00e4, lehti\u00e4 ja jopa lantaa, jotka antavat korvaamattomia vihjeit\u00e4 muinaisista eli\u00f6ist\u00e4 ja niiden k\u00e4ytt\u00e4ytymisest\u00e4.<\/li>\n<li>Pienimm\u00e4t ja pisimm\u00e4t nimet: Pisin dinosauruksen nimi on \"Micropachycephalosaurus\", joka tarkoittaa \"pient\u00e4 paksup\u00e4ist\u00e4 liskoa\". Sen sijaan pienin dinosauruksen nimi on \"Yi\", joka koostuu vain kahdesta kirjaimesta - 22 kirjainta v\u00e4hemm\u00e4n kuin \"Micropachycephalosaurus\".<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Dinosaurukset ovat jo pitk\u00e4\u00e4n kiehtoneet mielikuvitustamme mahtavuudellaan ja muinaisilla salaisuuksillaan. N\u00e4m\u00e4 maapallolla aikoinaan vaeltaneet esihistorialliset olennot ovat j\u00e4tt\u00e4neet j\u00e4lkeens\u00e4 korvaamattoman arvokkaan perinn\u00f6n fossiileja ja tieteellisi\u00e4 l\u00f6yt\u00f6j\u00e4. T\u00e4ss\u00e4 artikkelissa sukellamme dinosaurusten maailmaan ja tutustumme perustietoihin, paleontologiaan, dinosaurusten ik\u00e4\u00e4n ja kiehtoviin yksityiskohtiin, jotka ovat s\u00e4ilyneet ... <a title=\"Tietoja dinosauruksista\" class=\"read-more\" href=\"https:\/\/www.123fakta.com\/fi\/facts-about-dinosaurs\" aria-label=\"Lue lis\u00e4\u00e4 aiheesta Faktoja dinosauruksista\">Lue lis\u00e4\u00e4<\/a><\/p>","protected":false},"author":1,"featured_media":8118,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[67,68],"tags":[120,93],"class_list":["post-245","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-animals","category-terrestrial-animals","tag-adsense","tag-c"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Facts about dinosaurs - Terrifying, but true, in a not so distant past<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.123fakta.com\/fi\/faktoja-dinosauruksista\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Facts about dinosaurs - Terrifying, but true, in a not so distant past\" \/>\n<meta property=\"og:description\" content=\"Dinosaurs have long captured our imaginations with their towering presence and ancient mysteries. 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These prehistoric creatures, which once roamed the Earth, have left behind an invaluable legacy of fossils and scientific discoveries. In this article, we delve into the world of dinosaurs, exploring basic facts, paleontology, the age of dinosaurs, and the fascinating details preserved ... 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