{"id":5786,"date":"2019-03-21T14:12:31","date_gmt":"2019-03-21T17:12:31","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=5786"},"modified":"2026-03-22T21:27:28","modified_gmt":"2026-03-23T00:27:28","slug":"documentario-evolucao-dos-tubaroes","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/documentario-evolucao-dos-tubaroes\/","title":{"rendered":"Document\u00e1rio Evolu\u00e7\u00e3o dos tubar\u00f5es"},"content":{"rendered":"\n<p><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>Document\u00e1rio Evolu\u00e7\u00e3o dos tubar\u00f5es:<\/strong> <\/span>Evid\u00eancias da exist\u00eancia de tubar\u00f5es datam do per\u00edodo Ordoviciano, 450-420 milh\u00f5es de anos atr\u00e1s, antes que existissem vertebrados terrestres e antes que uma variedade de plantas colonizasse os continentes.<\/span><\/p>\n\n\n\n<p><span style=\"font-size: 14pt; color: #000000;\"> Os primeiros tubar\u00f5es tinham aspecto muito diferente dos modernos tubar\u00f5es.<\/span><\/p>\n\n\n\n<p class=\"has-text-align-center\"><span style=\"font-size: 24pt; font-family: 'courier new', courier, monospace; color: #000000;\"><strong><span style=\"color: #800000;\">Document\u00e1rio<\/span> Evolu\u00e7\u00e3o dos tubar\u00f5es<\/strong><\/span><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"A Evolu\u00e7\u00e3o dos Tubar\u00f5es\" width=\"800\" height=\"600\" src=\"https:\/\/www.youtube.com\/embed\/jH_kU37n5pQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif; font-size: 18pt;\"><strong>A<\/strong><\/span> maioria dos f\u00f3sseis de tubar\u00e3o \u00e9 de cerca de 300 a 150 milh\u00f5es de anos e podem ser atribu\u00eddos a um dos dois grupos: <\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/biologo.com.br\/bio\/tubarao-duende\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"631\" height=\"351\" data-attachment-id=\"5213\" data-permalink=\"https:\/\/biologo.com.br\/bio\/tubarao-duende\/tubarao-duende-cabeca\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/10\/Tubar%C3%A3o-duende-cabe%C3%A7a.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Tubar\u00e3o-duende-cabe\u00e7a\" data-image-description=\"&lt;p&gt;cabe\u00e7a do Tubar\u00e3o-duende (Mitsukurina owstoni)  com a mand\u00edbula projetada&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Cabe\u00e7a do Tubar\u00e3o-duende (Mitsukurina owstoni)  com a mand\u00edbula projetada. Dianne Bray \/ Museum Victoria&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/10\/Tubar%C3%A3o-duende-cabe%C3%A7a.jpg?fit=631%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/10\/Tubar%C3%A3o-duende-cabe%C3%A7a.jpg?resize=631%2C351&#038;ssl=1\" alt=\"\" class=\"wp-image-5213\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/10\/Tubar%C3%A3o-duende-cabe%C3%A7a.jpg?w=631&amp;ssl=1 631w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/10\/Tubar%C3%A3o-duende-cabe%C3%A7a.jpg?resize=300%2C167&amp;ssl=1 300w\" sizes=\"auto, (max-width: 631px) 100vw, 631px\" \/><\/a><figcaption class=\"wp-element-caption\"><span style=\"font-size: 10pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/tubarao-duende\/\">Tubar\u00e3o-duende (<em>Mitsukurina owstoni<\/em>)\u00a0<\/a><\/span><\/figcaption><\/figure>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\">Os Xenacanthida que eram quase exclusivos em ambientes de \u00e1gua doce. No momento em que este grupo foi extinto a cerca de 220 milh\u00f5es de anos atr\u00e1s, eles tinham se espalhado pelo mundo. O outro grupo, os Hybodontiformes, apareceram a cerca de 320 milh\u00f5es de anos e viveram na maior parte nos oceanos, mas tamb\u00e9m em \u00e1gua doce.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/tubaroes-ameacados-pela-pesca\/\">Tubar\u00f5es amea\u00e7ados pela pesca<\/a><\/span><\/li>\n\n\n\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/fossil-vivo\/\">F\u00f3ssil vivo<\/a><\/span><\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\">Um dos tubar\u00f5es mais antigos e primitivos \u00e9 o Cladoselache, de cerca de 370 milh\u00f5es de anos atr\u00e1s, que foi encontrado em estratos geol\u00f3gicos da era Paleoz\u00f3ica.<\/span><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\"> Nesse ponto da hist\u00f3ria da Terra estas rochas originaram os sedimentos moles do fundo do mar do vasto oceano raso que cobria a maior parte da Am\u00e9rica do Norte.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 14pt; font-family: 'courier new', courier, monospace; color: #000000;\"><strong>Cladoselache:<span style=\"color: #999999;\"> Evolu\u00e7\u00e3o dos tubar\u00f5es<\/span><\/strong><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full wp-image-5787\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"631\" height=\"351\" data-attachment-id=\"5787\" data-permalink=\"https:\/\/biologo.com.br\/bio\/documentario-evolucao-dos-tubaroes\/cladoselache-evolucao-dos-tubaroes\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/03\/Cladoselache-Evolu%C3%A7%C3%A3o-dos-tubar%C3%B5es.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Cladoselache-Evolu\u00e7\u00e3o-dos-tubar\u00f5es\" data-image-description=\"&lt;p&gt;Cladoselache: Evolu\u00e7\u00e3o dos tubar\u00f5es&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;by Nobu Tamura paleoexhibit.blogspot.com&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/03\/Cladoselache-Evolu%C3%A7%C3%A3o-dos-tubar%C3%B5es.jpg?fit=631%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/03\/Cladoselache-Evolu%C3%A7%C3%A3o-dos-tubar%C3%B5es.jpg?resize=631%2C351&#038;ssl=1\" alt=\"Cladoselache: Evolu\u00e7\u00e3o dos tubar\u00f5es\" class=\"wp-image-5787\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/03\/Cladoselache-Evolu%C3%A7%C3%A3o-dos-tubar%C3%B5es.jpg?w=631&amp;ssl=1 631w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/03\/Cladoselache-Evolu%C3%A7%C3%A3o-dos-tubar%C3%B5es.jpg?resize=300%2C167&amp;ssl=1 300w\" sizes=\"auto, (max-width: 631px) 100vw, 631px\" \/><figcaption class=\"wp-element-caption\"><span style=\"font-size: 10pt; color: #000000;\"><em>Cladoselache<\/em> <\/span><span style=\"font-size: 8pt;\">Nobu Tamura <a href=\"http:\/\/paleoexhibit.blogspot.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">paleoexhibit.blogspot.com<\/a><\/span><\/figcaption><\/figure>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\">Cladoselache \u00e9 um extinto g\u00eanero de tubar\u00f5es que viveu durante o per\u00edodo Devoniano Superior. Um bom representante dos primeiros tubar\u00f5es.&nbsp;<\/span><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\">S\u00e3o conhecidas 8 esp\u00e9cies: <em>Cladoselache clarkii, Cladoselache elegans, Cladoselache fyleri, Cladoselache kepleri, Cladoselache magnificus, Cladoselache mirabilis, Cladoselache nexmani e Cladoselache pattersoni.<\/em> <\/span><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\">Seus dentes eram adequados para agarrar mas n\u00e3o para mastigar ou rasgar, por isso deveria engolir sua presa inteira. Cladoselache devia ser um animal bem r\u00e1pido e isso deve te-lo ajudado a escapar de predadores.&nbsp;<\/span><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\">A presen\u00e7a de peixe inteiros dispostos em seu est\u00f4mago sugere que os Cladoselache foram r\u00e1pidos nadadores e com grande agilidade.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/biologo.com.br\/bio\/misterios-do-tubarao-martelo\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"631\" height=\"351\" data-attachment-id=\"4224\" data-permalink=\"https:\/\/biologo.com.br\/bio\/misterios-do-tubarao-martelo\/tubarao-martelo\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/06\/tubarao-martelo.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"tubarao-martelo\" data-image-description=\"&lt;p&gt;By Barry Peters (Flickr) [CC BY 2.0 (https:\/\/creativecommons.org\/licenses\/by\/2.0)], via Wikimedia Commons&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Mist\u00e9rios do Tubar\u00e3o Martelo. Cocos Island, Costa Rica. by Barry Peters&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/06\/tubarao-martelo.jpg?fit=631%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/06\/tubarao-martelo.jpg?resize=631%2C351&#038;ssl=1\" alt=\"Mist\u00e9rios do Tubar\u00e3o Martelo\" class=\"wp-image-4224\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/06\/tubarao-martelo.jpg?w=631&amp;ssl=1 631w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/06\/tubarao-martelo.jpg?resize=300%2C167&amp;ssl=1 300w\" sizes=\"auto, (max-width: 631px) 100vw, 631px\" \/><\/a><figcaption class=\"wp-element-caption\"><span style=\"font-size: 8pt; color: #000000;\"><span style=\"font-size: 10pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/misterios-do-tubarao-martelo\/\">Mist\u00e9rios do Tubar\u00e3o Martelo.\u00a0<\/a><\/span> by Barry Peters<\/span><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><span style=\"font-size: 14pt; font-family: 'courier new', courier, monospace;\">Tubar\u00f5es modernos<\/span><\/strong><\/h4>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\">Os tubar\u00f5es modernos come\u00e7aram a aparecer cerca de 100 milh\u00f5es de anos atr\u00e1s. Uma das fam\u00edlias mais recentemente desenvolvidas \u00e9 o tubar\u00e3o-martelo (fam\u00edlia Sphyrnidae), que surgiu no Eoceno. <\/span><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\">Na evolu\u00e7\u00e3o inicial do tubar\u00e3o branco h\u00e1 pelo menos duas linhagens: uma linhagem \u00e9 de tubar\u00f5es brancos com dentes grosseiramente serrilhados e provavelmente deu origem ao grande tubar\u00e3o branco moderno, e outra linhagem \u00e9 de tubar\u00f5es brancos com dentes finamente serrilhados.<\/span><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><span style=\"color: #000000;\">Os mais antigos dentes de tubar\u00e3o branco datam de 60 a 66 milh\u00f5es de anos atr\u00e1s, na \u00e9poca da extin\u00e7\u00e3o dos dinossauros.<\/span><\/p>\n\n\n\n<p class=\"has-cm-color-6-color has-text-color has-link-color has-medium-font-size wp-elements-103b2f4456c20b0e20ac84848c5a2c21\">Em s\u00edntese, o document\u00e1rio revela que os tubar\u00f5es n\u00e3o s\u00e3o apenas predadores ic\u00f4nicos, mas verdadeiros sobreviventes da hist\u00f3ria da Terra, cuja origem remonta a mais de 400 milh\u00f5es de anos. Al\u00e9m disso, ao longo de sucessivas transforma\u00e7\u00f5es geol\u00f3gicas e biol\u00f3gicas, esses animais desenvolveram adapta\u00e7\u00f5es not\u00e1veis, como esqueletos cartilaginosos, denti\u00e7\u00e3o altamente especializada e sentidos refinados, que lhes garantiram sucesso evolutivo duradouro. Por outro lado, a an\u00e1lise dos f\u00f3sseis \u2014 desde formas primitivas como <em>Cladoselache<\/em> at\u00e9 linhagens modernas \u2014 evidencia que sua trajet\u00f3ria n\u00e3o foi linear, mas marcada por diversifica\u00e7\u00e3o, extin\u00e7\u00f5es e reinven\u00e7\u00f5es ecol\u00f3gicas.<\/p>\n\n\n\n<p class=\"has-cm-color-6-color has-text-color has-link-color has-medium-font-size wp-elements-995c707a475f5dd4d4e66f6a2a82a36e\">Assim, compreender a evolu\u00e7\u00e3o dos tubar\u00f5es \u00e9, ao mesmo tempo, compreender a resili\u00eancia da vida marinha frente \u00e0s mudan\u00e7as planet\u00e1rias. Portanto, esses organismos n\u00e3o apenas testemunham o passado profundo dos oceanos, mas tamb\u00e9m refor\u00e7am a urg\u00eancia de sua conserva\u00e7\u00e3o no presente, j\u00e1 que press\u00f5es antr\u00f3picas podem amea\u00e7ar um legado evolutivo constru\u00eddo ao longo de centenas de milh\u00f5es de anos.<\/p>\n\n\n\n<p><span style=\"font-size: 10pt;\"><strong><strong style=\"font-family: &quot;courier new&quot;, courier, monospace; font-size: 12pt;\">Fontes e refer\u00eancias:<\/strong><\/strong><\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-2f359d377ff6b7ad1b61b40f076d5016\">Compagno, L. J. V. (2001). <em><a href=\"https:\/\/openknowledge.fao.org\/handle\/20.500.14283\/x9293e\" target=\"_blank\" rel=\"noreferrer noopener\">Sharks of the World<\/a><\/em>. FAO Species Catalogue.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-efe6406603a5f58d28201951abc60a69\">Maisey, J. G. (2012). <em><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/22497368\/\" target=\"_blank\" rel=\"noreferrer noopener\">What is an elasmobranch? The impact of palaeontology in understanding elasmobranch phylogeny and evolution<\/a><\/em>. Journal of Fish Biology.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><a href=\"https:\/\/biologo.com.br\/bio\/apoie-o-biologo\/\"><img loading=\"lazy\" decoding=\"async\" width=\"174\" height=\"147\" data-attachment-id=\"11979\" data-permalink=\"https:\/\/biologo.com.br\/bio\/caracal-um-mestre-da-sobrevivencia\/apoiepeq\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/05\/apoiepeq.jpg?fit=174%2C147&amp;ssl=1\" data-orig-size=\"174,147\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"apoiepeq\" data-image-description=\"&lt;p&gt;Apoie o Bi\u00f3logo&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/05\/apoiepeq.jpg?fit=174%2C147&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/05\/apoiepeq.jpg?resize=174%2C147&amp;ssl=1\" alt=\"Apoie o Bi\u00f3logo\" class=\"wp-image-11979\" style=\"width:156px;height:auto\" title=\"Apoie o Bi\u00f3logo\"\/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/biologo.com.br\/bio\/apoie-o-biologo\/\">Apoie o Bi\u00f3logo<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Document\u00e1rio Evolu\u00e7\u00e3o dos tubar\u00f5es: Evid\u00eancias da exist\u00eancia de tubar\u00f5es datam do per\u00edodo Ordoviciano, 450-420 milh\u00f5es de anos atr\u00e1s, antes que<\/p>\n","protected":false},"author":1,"featured_media":20880,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"video","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[4,121,19,126,27],"tags":[],"class_list":["post-5786","post","type-post","status-publish","format-video","has-post-thumbnail","hentry","category-biologiamarinha","category-evolucao","category-ictiologia","category-videos","category-zoologia","post_format-post-format-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Document\u00e1rio Evolu\u00e7\u00e3o dos tubar\u00f5es: Biologia marinha, Ictiologia: Bi\u00f3logo<\/title>\n<meta name=\"description\" content=\"Evid\u00eancias dos tubar\u00f5es datam do per\u00edodo Ordoviciano, h\u00e1 450-420 milh\u00f5es de anos, antes dos vertebrados terrestres... 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