{"id":11515,"date":"2022-03-09T21:35:01","date_gmt":"2022-03-10T00:35:01","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=11515"},"modified":"2025-10-29T08:57:18","modified_gmt":"2025-10-29T11:57:18","slug":"tiranossauro","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/tiranossauro\/","title":{"rendered":"Tiranossauro"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>Tiranossauro: <\/strong><span style=\"color: #000000;\">entre os dinossauros, o <em>Tyrannosaurus rex<\/em> permanece como o mais ic\u00f4nico. Sua fama n\u00e3o \u00e9 recente. Quando a esp\u00e9cie foi anunciada, no in\u00edcio do s\u00e9culo XX, representava o maior carn\u00edvoro terrestre j\u00e1 descoberto. Desde ent\u00e3o, tornou-se um \u00edcone na cultura popular, literatura e cinema. Sua imagem e seu nome imponentes conquistaram o p\u00fablico, a ponto de o <em>T. rex<\/em> ser, at\u00e9 hoje, o \u00fanico dinossauro amplamente reconhecido por sua nomenclatura cient\u00edfica e abreviada.<\/span><span style=\"color: #000000;\"><\/span><\/span><\/span><\/p>\n\n\n\n<figure class=\"wp-block-image alignright size-full\"><a href=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/05\/original-biologo-2.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"83\" data-attachment-id=\"18164\" data-permalink=\"https:\/\/biologo.com.br\/bio\/sylvia-earle-na-luta-pelos-oceanos\/original-biologo-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/05\/original-biologo-2.jpg?fit=74%2C83&amp;ssl=1\" data-orig-size=\"74,83\" data-comments-opened=\"1\" 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=\"original-biologo (2)\" data-image-description=\"&lt;p&gt;artigo original www.biologo.com.br \u00a9 todos os direitos reservados&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/05\/original-biologo-2.jpg?fit=74%2C83&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/05\/original-biologo-2.jpg?resize=74%2C83&#038;ssl=1\" alt=\"artigo original www.biologo.com.br \u00a9 todos os direitos reservados\" class=\"wp-image-18164\" title=\"artigo original www.biologo.com.br\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"font-family: 'courier new', courier, monospace; font-size: 24pt; color: #000000;\"><strong>Tiranossauro<span style=\"font-size: 12pt;\">, um gigante carn\u00edvoro<\/span><\/strong><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-size: 8pt; color: #000000;\">9\/3\/2022 ::&nbsp; por Marco Pozzana, bi\u00f3logo<\/span><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-3bd57f1513ca2f56261d33139bd0dc16 wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif; font-size: 24pt;\"><strong>E<\/strong><\/span><\/span>sse fasc\u00ednio come\u00e7a cedo. Entre as crian\u00e7as, o Tiranossauro \u00e9 o verdadeiro &#8220;queridinho&#8221;. Talvez por sua apar\u00eancia feroz, talvez por seu protagonismo em filmes e document\u00e1rios. Mas, al\u00e9m do mito, h\u00e1 uma enigm\u00e1tica criatura que viveu h\u00e1 cerca de 68 a 66 milh\u00f5es de anos, no final do per\u00edodo Cret\u00e1ceo.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-1eaf6ad8d0181a8912cfebb8cc2d7162 wp-block-paragraph\">Classificado dentro dos ter\u00f3podes celurossauros, o <em>Tyrannosaurus rex<\/em> pertence a um grupo extinto de dinossauros b\u00edpedes. Seus f\u00f3sseis foram encontrados exclusivamente na Am\u00e9rica do Norte, especialmente em forma\u00e7\u00f5es geol\u00f3gicas como Hell Creek e Lance. Essas regi\u00f5es hoje nos oferecem as melhores evid\u00eancias sobre a vida e a morte do gigante predador, extinto com a grande crise biol\u00f3gica que encerrou a Era Mesozoica.<\/p>\n\n\n\n<figure class=\"wp-block-image alignright is-resized\"><a href=\"https:\/\/biologo.com.br\/bio\/documentario-dinossauros\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" data-attachment-id=\"9494\" data-permalink=\"https:\/\/biologo.com.br\/bio\/documentario-dinossauros\/t-rex\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/07\/t-rex.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=\"t-rex &amp;#8211; Tyrannosaurus\" data-image-description=\"&lt;p&gt;Tyrannosaurus \u00e9 um g\u00eanero de dinossauros ter\u00f3podes celurossauros que viveram durante o final do per\u00edodo cret\u00e1ceo, h\u00e1 aproximadamente 66 milh\u00f5es de anos, em toda a regi\u00e3o que hoje \u00e9 a Am\u00e9rica do Norte. O \u00fanico representante do g\u00eanero \u00e9 Tyrannosaurus rex, que ganhou o ep\u00edteto espec\u00edfico de rex, por ser o maior dinossauro carn\u00edvoro conhecido quando foi descoberto.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Tyrannosaurus rex&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/07\/t-rex.jpg?fit=631%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/07\/t-rex.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Tyrannosaurus rex\" class=\"wp-image-9494\" style=\"width:134px;height:auto\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/07\/t-rex.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/07\/t-rex.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/07\/t-rex.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><figcaption class=\"wp-element-caption\"><em><span style=\"font-size: 10pt; color: #000000;\">Tyrannosaurus rex<\/span><\/em><\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-size: 14pt;\"><a href=\"https:\/\/biologo.com.br\/bio\/novo-dinossauro-descoberto-no-brasil\/\">Novo dinossauro descoberto no Brasil<\/a><\/span><\/li>\n\n\n\n<li><span style=\"font-size: 14pt;\"><a href=\"https:\/\/biologo.com.br\/bio\/as-ultimas-horas-dos-dinossauros\/\">As \u00faltimas horas dos dinossauros<\/a><\/span><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Naturalmente, muitas lacunas ainda persistem. Afinal, milh\u00f5es de anos separam nossa era daquela em que ele viveu. Contudo, a quantidade e a qualidade dos f\u00f3sseis dispon\u00edveis v\u00eam permitindo avan\u00e7os expressivos. A ci\u00eancia moderna tem explorado com rigor aspectos como sua fisiologia, biomec\u00e2nica, comportamento e evolu\u00e7\u00e3o.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/c.tenor.com\/Sp7MxEyYrc4AAAAM\/tyrannosaurus-trex.gif?w=800&#038;ssl=1\" alt=\"Tyrannosaurus \" style=\"width:310px;height:auto\"\/><figcaption class=\"wp-element-caption\"><span style=\"font-size: 10pt; color: #000000;\">A flora no final do Cret\u00e1ceo consistia principalmente de angiospermas, mas tamb\u00e9m inclu\u00eda \u00e1rvores como a sequ\u00f3ia e a arauc\u00e1ria<\/span><\/figcaption><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-6df6431e418386ae76e8978496b3b47f wp-block-paragraph\">Estudos atuais indicam que o <em>T. rex<\/em> possu\u00eda um corpo robusto, um cr\u00e2nio maci\u00e7o e musculoso, sustentado por uma longa e pesada cauda. Suas patas dianteiras, embora pequenas, eram incrivelmente fortes e dotadas de dois dedos com garras curvas. O animal podia atingir at\u00e9 12,4 metros de comprimento e quase quatro metros de altura nos quadris. Estimativas sugerem um peso entre 8 e 9 toneladas.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-a7919b0e10535a62ea98aeecacb88af8 wp-block-paragraph\">Mais impressionante ainda, sua mordida \u00e9 considerada a mais poderosa j\u00e1 registrada entre os animais terrestres. Com base em modelagens biomec\u00e2nicas, pesquisadores sugerem uma for\u00e7a superior a seis toneladas por cent\u00edmetro quadrado \u2013 o suficiente para esmagar ossos com facilidade.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt;\">Controv\u00e9rsias<\/span><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Curiosamente, a forma como visualizamos o T. rex mudou bastante. Durante d\u00e9cadas, ele foi retratado em posi\u00e7\u00e3o vertical, com a cauda arrastando no ch\u00e3o, lembrando um canguru. Apenas a partir dos anos 1990, influenciado por descobertas paleontol\u00f3gicas mais acuradas e por representa\u00e7\u00f5es em filmes como <em>Jurassic Park<\/em>, passou-se a adot\u00e1-lo numa postura horizontal, mais condizente com o equil\u00edbrio corporal necess\u00e1rio para sua locomo\u00e7\u00e3o.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/Tiranossauro-um-gigante-carnivoro.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"631\" height=\"351\" data-attachment-id=\"11525\" data-permalink=\"https:\/\/biologo.com.br\/bio\/tiranossauro\/tiranossauro-um-gigante-carnivoro\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/Tiranossauro-um-gigante-carnivoro.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=\"Tiranossauro-um-gigante-carn\u00edvoro\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Tiranossauro, um gigante carn\u00edvoro&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/Tiranossauro-um-gigante-carnivoro.jpg?fit=631%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/Tiranossauro-um-gigante-carnivoro.jpg?resize=631%2C351&#038;ssl=1\" alt=\"Tiranossauro, um gigante carn\u00edvoro\" class=\"wp-image-11525\" style=\"width:448px;height:auto\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/Tiranossauro-um-gigante-carnivoro.jpg?w=631&amp;ssl=1 631w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/Tiranossauro-um-gigante-carnivoro.jpg?resize=300%2C167&amp;ssl=1 300w\" sizes=\"auto, (max-width: 631px) 100vw, 631px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Outro ponto amplamente debatido envolve sua ecologia alimentar. Teria sido um predador ativo ou um carniceiro oportunista? A resposta mais aceita atualmente \u00e9: ambos. Evid\u00eancias de marcas de dentes em ossos, algumas cicatrizadas, indicam que o T. rex ca\u00e7ava. Por outro lado, n\u00e3o rejeitaria a oportunidade de se alimentar de uma carca\u00e7a, o que ampliava suas chances de sobreviv\u00eancia<\/span>.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-a42daf1c7ef28a844e952423fe3661c8 wp-block-paragraph\">A velocidade m\u00e1xima que poderia atingir tamb\u00e9m segue em discuss\u00e3o. C\u00e1lculos variam entre 20 e 30 km\/h, embora sua massa elevada provavelmente limitasse corridas longas. Ainda assim, sua estrutura muscular e esquel\u00e9tica aponta para um animal vigoroso e adaptado \u00e0 ca\u00e7a de presas grandes.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-71a7bfa9496019262e5e1e11bbc23c69 wp-block-paragraph\">A classifica\u00e7\u00e3o taxon\u00f4mica do grupo tamb\u00e9m n\u00e3o est\u00e1 isenta de pol\u00eamicas. O <em>Tarbosaurus bataar<\/em>, dinossauro asi\u00e1tico bastante similar ao <em>T. rex<\/em>, \u00e9 considerado por alguns paleont\u00f3logos como pertencente ao mesmo g\u00eanero. Outros, por\u00e9m, argumentam por sua separa\u00e7\u00e3o, devido a diferen\u00e7as morfol\u00f3gicas sutis, mas consistentes.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-11524 size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"461\" height=\"351\" data-attachment-id=\"11524\" data-permalink=\"https:\/\/biologo.com.br\/bio\/tiranossauro\/tiranossauro-classificacao\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/tiranossauro-classificacao.jpg?fit=461%2C351&amp;ssl=1\" data-orig-size=\"461,351\" 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=\"tiranossauro-classificacao\" data-image-description=\"&lt;p&gt;Classifica\u00e7\u00e3o cient\u00edfica do tiranossauro&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Classifica\u00e7\u00e3o cient\u00edfica do tiranossauro&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/tiranossauro-classificacao.jpg?fit=461%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/tiranossauro-classificacao.jpg?resize=461%2C351&#038;ssl=1\" alt=\"Classifica\u00e7\u00e3o cient\u00edfica do tiranossauro\" class=\"wp-image-11524\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/tiranossauro-classificacao.jpg?w=461&amp;ssl=1 461w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/03\/tiranossauro-classificacao.jpg?resize=300%2C228&amp;ssl=1 300w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><figcaption class=\"wp-element-caption\"><span style=\"font-size: 10pt; color: #000000;\">Cladograma:&nbsp;<em>Tyrannosauridae<\/em> com base na an\u00e1lise filogen\u00e9tica de Loewen Et al. 2013<span style=\"color: #808080;\">.<\/span><\/span><span style=\"font-size: 8pt; color: #808080;\"> fonte: wikipedia.org<\/span><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/biologo.com.br\/bio\/o-fim-dos-dinossauros\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"631\" height=\"351\" data-attachment-id=\"7587\" data-permalink=\"https:\/\/biologo.com.br\/bio\/o-fim-dos-dinossauros\/o-fim-dos-dinossauros\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.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=\"O-fim-dos-dinossauros\" data-image-description=\"&lt;p&gt;O fim dos dinossauros. Dinossauro Meteoro Impacto Apocalipse Armageddon. Extin\u00e7\u00e3o&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;O fim dos dinossauros&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.jpg?fit=631%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.jpg?resize=631%2C351&#038;ssl=1\" alt=\"O fim dos dinossauros\" class=\"wp-image-7587\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.jpg?w=631&amp;ssl=1 631w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/08\/O-fim-dos-dinossauros.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;\"><a href=\"https:\/\/biologo.com.br\/bio\/o-fim-dos-dinossauros\/\">O fim dos dinossauros<\/a><\/span><\/figcaption><\/figure>\n\n\n\n<h5 class=\"wp-block-heading has-medium-font-size\"><em>Tyrannosaurus rex<\/em>: revela\u00e7\u00f5es de um colosso pr\u00e9-hist\u00f3rico<\/h5>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-68aeb095a2265cf4b80f94bdc501b034 wp-block-paragraph\">Mais recentemente, em 2022, o paleont\u00f3logo Gregory S. Paul e colegas propuseram uma reavalia\u00e7\u00e3o ousada. Segundo suas an\u00e1lises filogen\u00e9ticas e morfol\u00f3gicas, o <em>Tyrannosaurus rex<\/em> n\u00e3o seria uma \u00fanica esp\u00e9cie, mas sim um conjunto de tr\u00eas: a esp\u00e9cie-tipo <em>T. rex<\/em> e duas novas \u2013 <em>T. imperator<\/em> e <em>T. regina<\/em>. A proposta baseia-se em varia\u00e7\u00f5es anat\u00f4micas observadas em dezenas de f\u00f3sseis, sobretudo em rela\u00e7\u00e3o ao tamanho, robustez do cr\u00e2nio e propor\u00e7\u00f5es \u00f3sseas.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-b7c91f2987310c21694d79a96cd1ab8a wp-block-paragraph\">Entretanto, a comunidade cient\u00edfica ainda n\u00e3o chegou a um consenso. Muitos especialistas argumentam que tais varia\u00e7\u00f5es podem representar apenas diferen\u00e7as individuais, sexuais ou relacionadas \u00e0 idade. O debate segue intenso, e novos achados poder\u00e3o confirmar \u2013 ou refutar \u2013 essa subdivis\u00e3o.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-7c5b8df36ac93976e479ae3c47aebd02 wp-block-paragraph\">Assim, o <em>T. rex<\/em> continua fascinando n\u00e3o apenas o grande p\u00fablico, mas tamb\u00e9m os cientistas. Cada f\u00f3ssil escavado oferece pistas valiosas, ampliando nossa compreens\u00e3o sobre esse enigm\u00e1tico predador. E embora j\u00e1 saibamos muito mais do que h\u00e1 algumas d\u00e9cadas, \u00e9 certo que o &#8220;rei dos lagartos tiranos&#8221; ainda guarda muitos segredos sob as camadas do tempo.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><span style=\"color: #000000;\"><strong><span style=\"font-size: 10pt; font-family: 'courier new', courier, monospace;\">Fontes e refer\u00eancias:<\/span><\/strong><\/span><\/h5>\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-fa45e6d0e779c3f5e026f71848da5cf6\"><span style=\"font-size: 8pt; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/www.science.org\/content\/article\/tyrannosaurus-rex-should-be-split-three-species-controversial-study-suggests\" target=\"_blank\" rel=\"noopener\"><em>Tyrannosaurus rex <\/em>should be split into three species, controversial study suggests<\/a> &#8211; science.org\/ (em ingl\u00eas).<\/span><\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-acf41c869aabe099a5e57220db0a5a97\"><span class=\"reference-text\" style=\"font-size: 8pt; color: #000000;\"><cite id=\"CITEREFSchweitzerWittmeyerHorner2005\" class=\"citation journal cs1\">Schweitzer, M. H.; Wittmeyer, J. L.; Horner, J. R. (2005). &#8220;Gender-specific reproductive tissue in ratites and <i>Tyrannosaurus rex<\/i>&#8220;.&nbsp;<i>Science<\/i>.&nbsp;<b>308<\/b>&nbsp;(5727): 1456\u201360.&nbsp;<a class=\"mw-redirect\" style=\"color: #000000;\" title=\"Bibcode (identifier)\" href=\"https:\/\/en.wikipedia.org\/wiki\/Bibcode_(identifier)\">Bibcode<\/a>:<a class=\"external text\" style=\"color: #000000;\" href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2005Sci...308.1456S\" rel=\"nofollow\">2005Sci&#8230;308.1456S<\/a>.&nbsp;<a class=\"mw-redirect\" style=\"color: #000000;\" title=\"Doi (identifier)\" href=\"https:\/\/en.wikipedia.org\/wiki\/Doi_(identifier)\">doi<\/a>:<a class=\"external text\" style=\"color: #000000;\" href=\"https:\/\/doi.org\/10.1126%2Fscience.1112158\" rel=\"nofollow\">10.1126\/science.1112158<\/a>. <span style=\"font-size: 8pt;\">(em ingl\u00eas).<\/span><\/cite><\/span><\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-633d2f0ca62a9e16c68692869beba5f1\">Paul, G. S., Persons, W. S., &amp; Van Raalte, J. (2022). <em>The Tyrant Lizard King, Queen and Emperor: Multiple Tyrannosaurus species in the latest Maastrichtian of North America<\/em>. Evolutionary Biology, 49, 85\u2013122. <a>https:\/\/doi.org\/10.1007\/s11692-022-09561-5<\/a><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/biologo.com.br\/bio\/apoie-o-biologo\/\"><img data-recalc-dims=\"1\" 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&#038;ssl=1\" alt=\"Apoie o Bi\u00f3logo\" class=\"wp-image-11979\" title=\"Apoie o Bi\u00f3logo\"\/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><a href=\"https:\/\/biologo.com.br\/bio\/apoie-o-biologo\/\">Apoie o Bi\u00f3logo<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tiranossauro: entre os dinossauros, o Tyrannosaurus rex permanece como o mais ic\u00f4nico. Sua fama n\u00e3o \u00e9 recente. Quando a esp\u00e9cie<\/p>\n","protected":false},"author":1,"featured_media":18580,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","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_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Dentre os dinossauros, o Tyrannosaurus rex \u00e9 provavelmente o mais c\u00e9lebre. Um dos motivos para ser t\u00e3o popular em nosso imagin\u00e1rio se deve ao fato de que quando a esp\u00e9cie foi revelada, era o maior dinossauro carn\u00edvoro conhecido.","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":[121,28,27],"tags":[],"class_list":["post-11515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evolucao","category-paleontologia","category-zoologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tiranossauro, um gigante carn\u00edvoro do passado - Paleontologia<\/title>\n<meta name=\"description\" content=\"Dentre os dinossauros, o Tyrannosaurus rex \u00e9 provavelmente o mais c\u00e9lebre. 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