{"id":120,"date":"2007-06-21T12:24:00","date_gmt":"2007-06-21T15:24:00","guid":{"rendered":"http:\/\/scienceblogs.com.br\/cienciaaonatural\/2007\/06\/placentarios-e-dai\/"},"modified":"2007-06-21T12:24:00","modified_gmt":"2007-06-21T15:24:00","slug":"placentarios-e-dai","status":"publish","type":"post","link":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/2007\/06\/21\/placentarios-e-dai\/","title":{"rendered":"Placent\u00e1rios &#8211; e da\u00ed?"},"content":{"rendered":"<p><a href=\"http:\/\/1.bp.blogspot.com\/_SAoSarqIdnE\/RnpSV9AhVGI\/AAAAAAAAAKw\/TJXKnVo-Q5w\/s1600-h\/Maelestes+gobiensis1.jpg\" data-rel=\"lightbox-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" style=\"margin: 0pt 10px 10px 0pt;float: left;cursor: pointer\" src=\"http:\/\/1.bp.blogspot.com\/_SAoSarqIdnE\/RnpSV9AhVGI\/AAAAAAAAAKw\/TJXKnVo-Q5w\/s400\/Maelestes+gobiensis1.jpg\" alt=\"\" border=\"0\" \/><\/a>O <span style=\"font-style: italic\">Maelestes gobiensis<\/span> \u00e9 um mam\u00edfero, descoberto em 1997, escavado no deserto de Gobi em rochas com 75 milh\u00f5es de anos.<br \/>&#8220;E da\u00ed?&#8221;<br \/>O <span style=\"font-style: italic\">Maelestes gobiensis<\/span> n\u00e3o \u00e9 directo ancestral de qualquer grupo de mam\u00edferos modernos apesar de relacionado com os placent\u00e1rios, grupo ao qual pertencemos.<br \/>&#8220;E da\u00ed?&#8221;<br \/>Das 5416 esp\u00e9cies actuais de mam\u00edferos, 5080 s\u00e3o <a href=\"http:\/\/www.bio.sdsu.edu\/faculty\/archibald.html\/Archibald05ELS.pdf\">mam\u00edferos placent\u00e1rios<\/a>.<br \/>&#8220;E da\u00ed?&#8221;<br \/>Paleont\u00f3logos utilizaram esta esp\u00e9cie como referencial na compara\u00e7\u00e3o morfol\u00f3gica de mais de 60 esp\u00e9cies de mam\u00edferos actuais e f\u00f3sseis.1<br \/>&#8220;E da\u00ed?&#8221;<br \/>Os mam\u00edferos placent\u00e1rios, das baleias aos ratos, surgiram1, no hemisf\u00e9rio norte, h\u00e1 pouco mais de 65 milh\u00f5es de anos &#8211; quando os dinoss\u00e1urios se extinguiram.<br \/>&#8220;E da\u00ed?&#8221;<br \/><a href=\"http:\/\/1.bp.blogspot.com\/_SAoSarqIdnE\/RnpSv9AhVII\/AAAAAAAAALA\/1iIwjQAWESA\/s1600-h\/Maelestes+gobiensis.jpg\" data-rel=\"lightbox-image-1\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img decoding=\"async\" style=\"margin: 0pt 10px 10px 0pt;float: left;cursor: pointer\" src=\"http:\/\/1.bp.blogspot.com\/_SAoSarqIdnE\/RnpSv9AhVII\/AAAAAAAAALA\/1iIwjQAWESA\/s400\/Maelestes+gobiensis.jpg\" alt=\"\" border=\"0\" \/><\/a>Este estudo contradiz um outro2, publicado em Mar\u00e7o em baseado no ADN de esp\u00e9cies actuais, que conclu\u00eda que os modernos placent\u00e1rios tinham surgido antes h\u00e1 100 milh\u00f5es de anos &#8211; antes do desaparecimento dos dinoss\u00e1urios.<br \/>&#8220;E da\u00ed?&#8221;<br \/>Da\u00ed, nada&#8230;&#8221;apenas&#8221; mais uma pe\u00e7a no puzzle na evolu\u00e7\u00e3o dos mam\u00edferos.<br \/>Apenas.<\/p>\n<p><span style=\"font-weight: bold\">Refer\u00eancias<\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size:85%\"><b>1<\/b> J. R. Wible, G. W. Rougier, M. J. Novacek &amp; R. J. Asher<sup> <\/sup><i>Nature<\/i> <b>447<\/b>, 1003-1006 (21 June 2007)<\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size:85%\"><b>2<\/b> Bininda-Emonds, O.R.P., M. Cardillo, K.E. Jones, R.D.E. MacPhee, R.M.D. Beck, R. Grenyer, S.A. Price, R.A. Vos, J.L. Gittleman, and A. Purvis. 2007. The delayed rise of present-day mammals. <i>Nature<\/i> 446(7135): 507-512.<\/span><em><span style=\"font-style: normal;font-family:Arial;font-size:10\"><\/span><\/em><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size:85%\"><em><span style=\"font-style: normal;font-family:Arial\">Ilustra\u00e7\u00f5es<\/span><\/em><em><span style=\"font-family:Arial\">: Paul Bowden\/CMNH<\/span><\/em><\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size:85%\"><em><span style=\"font-style: normal;font-family:Arial\">Foto: <\/span><\/em><em><span style=\"font-family:Arial\">John Wible\/CMNH<\/span><\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O Maelestes gobiensis \u00e9 um mam\u00edfero, descoberto em 1997, escavado no deserto de Gobi em rochas com 75 milh\u00f5es de anos.&#8220;E da\u00ed?&#8221;O Maelestes gobiensis n\u00e3o \u00e9 directo ancestral de qualquer grupo de mam\u00edferos modernos apesar de relacionado com os placent\u00e1rios, grupo ao qual pertencemos.&#8220;E da\u00ed?&#8221;Das 5416 esp\u00e9cies actuais de mam\u00edferos, 5080 s\u00e3o mam\u00edferos placent\u00e1rios.&#8220;E da\u00ed?&#8221;Paleont\u00f3logos [&hellip;]<\/p>\n","protected":false},"author":470,"featured_media":121,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"pgc_sgb_lightbox_settings":"","_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"categories":[14,26,27,28,29,30],"tags":[275,425,507,544],"class_list":["post-120","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evolucao-morfologica","category-paleontologia-emocional","category-paleontologos","category-pro-studio-et-labore","category-quanta-vida-por-descobrir","category-tempo-geologico","tag-evolucao-morfologica","tag-mamiferos","tag-paleontologia","tag-placentarios"],"jetpack_featured_media_url":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-content\/uploads\/sites\/230\/2011\/08\/Maelestesgobiensis1.jpg","_links":{"self":[{"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/posts\/120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/users\/470"}],"replies":[{"embeddable":true,"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/comments?post=120"}],"version-history":[{"count":0,"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/posts\/120\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/media\/121"}],"wp:attachment":[{"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/media?parent=120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/categories?post=120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.blogs.unicamp.br\/cienciaaonatural\/wp-json\/wp\/v2\/tags?post=120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}