{"id":330,"date":"2025-09-25T21:47:30","date_gmt":"2025-09-26T03:47:30","guid":{"rendered":"https:\/\/elcontemporaneo.mx\/?p=330"},"modified":"2025-09-29T21:33:42","modified_gmt":"2025-09-30T03:33:42","slug":"la-paradoja-de-los-dinosaurios","status":"publish","type":"post","link":"https:\/\/elcontemporaneo.mx\/index.php\/2025\/09\/25\/la-paradoja-de-los-dinosaurios\/","title":{"rendered":"La paradoja de los dinosaurios"},"content":{"rendered":"<p style=\"text-align: center;\"><strong>Hace 201 a\u00f1os no exist\u00edan los dinosaurios.<\/strong><\/p>\n<p><strong>Pero hace 183 a\u00f1os empezaron a existir.<\/strong><\/p>\n<p><strong>Aunque se cree que hace 245 millones de a\u00f1os aparecieron por primera vez.<\/strong><\/p>\n<p><strong>Pero hace 66 millones de a\u00f1os se extinguieron.<\/strong><\/p>\n<p><strong>Y ahora sabemos que siguen vivos hoy en d\u00eda, aunque hace 157 a\u00f1os ya se sospechaba&#8230;<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Aunque parezca que nada de esto tiene sentido, todo tiene una explicaci\u00f3n:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">En 1824 el naturalista ingl\u00e9s William Buckland realiz\u00f3 la descripci\u00f3n de un f\u00f3sil de un animal gigantesco y le dio el nombre de Megalosaurus. Buckland no s\u00f3lo estaba nombrando un tipo de reptil gigante extinto, sino un organismo que no cab\u00eda en la clasificaci\u00f3n existente; era el primer representante reconocido de un linaje diverso que hab\u00eda dominado la Tierra por 135 millones de a\u00f1os.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Con la descripci\u00f3n de otros tres g\u00e9neros en las siguientes d\u00e9cadas, en 1842 el c\u00e9lebre paleont\u00f3logo ingl\u00e9s Sir Richard Owen le dio un nombre a su agrupaci\u00f3n: Dinosauria, del griego \u201clagartos terribles\u201d, por lo que el estudio formal de los dinosaurios se inici\u00f3 en ese a\u00f1o.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Las d\u00e9cadas que siguieron fueron muy productivas para entender a estos animales. Ya sabiendo identificarlos, sus restos fueron encontrados en todos los continentes y la diversidad del grupo creci\u00f3 explosivamente, con cerca de mil especies y una nueva report\u00e1ndose cada pocas semanas.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Aunque su origen exacto y su diversificaci\u00f3n inicial a\u00fan son temas debatidos, se sabe que evolucionaron hace unos 245 a 231 millones de a\u00f1os en el Tri\u00e1sico tard\u00edo y por mucho tiempo se pens\u00f3 que todos se hab\u00edan extinguido al final del Cret\u00e1cico hace 66 millones de a\u00f1os.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">En 1868 el bi\u00f3logo evolucionista Thomas Huxley argument\u00f3 por primera vez que las aves pod\u00edan provenir de un grupo de dinosaurios llamados ter\u00f3podos; pero ser\u00eda hasta finales del siglo XX que nuevos descubrimientos lo demostraran m\u00e1s all\u00e1 de toda duda: las aves son dinosaurios.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cada descubrimiento nos acerca m\u00e1s a entender a estas fascinantes criaturas, que no exist\u00edan en tiempos de Miguel Hidalgo, pero s\u00ed en tiempos de Benito Ju\u00e1rez; que se sab\u00edan muertas en tiempos de Porfirio D\u00edaz, pero las escuchamos cantar, vivitas y coleando, en la actualidad.<\/span><\/p>\n<p>S\u00edgueme:\u00a0<a href=\"https:\/\/www.facebook.com\/DinodatosFB\">https:\/\/www.facebook.com\/DinodatosFB<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hace 201 a\u00f1os no exist\u00edan los dinosaurios. Pero hace 183 a\u00f1os empezaron a existir. Aunque se cree que hace 245 millones de a\u00f1os aparecieron por primera vez. Pero hace 66 millones de a\u00f1os se extinguieron. Y ahora sabemos que siguen vivos hoy en d\u00eda, aunque hace 157 a\u00f1os ya se sospechaba&#8230; Aunque parezca que nada [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[13],"tags":[],"columnista":[17],"class_list":["post-330","post","type-post","status-publish","format-standard","hentry","category-columnas","columnista-dinodatos"],"_links":{"self":[{"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/posts\/330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/comments?post=330"}],"version-history":[{"count":6,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/posts\/330\/revisions"}],"predecessor-version":[{"id":350,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/posts\/330\/revisions\/350"}],"wp:attachment":[{"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/media?parent=330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/categories?post=330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/tags?post=330"},{"taxonomy":"columnista","embeddable":true,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/columnista?post=330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}