{"id":1061,"date":"2026-04-08T12:58:07","date_gmt":"2026-04-08T18:58:07","guid":{"rendered":"https:\/\/elcontemporaneo.mx\/?p=1061"},"modified":"2026-04-08T18:56:12","modified_gmt":"2026-04-09T00:56:12","slug":"que-hace-a-un-dinosaurio-ser-un-dinosaurio","status":"publish","type":"post","link":"https:\/\/elcontemporaneo.mx\/index.php\/2026\/04\/08\/que-hace-a-un-dinosaurio-ser-un-dinosaurio\/","title":{"rendered":"\u00bfQu\u00e9 hace a un dinosaurio ser un dinosaurio?"},"content":{"rendered":"<p>En la cultura popular (pel\u00edculas, libros, juguetes) podemos encontrar una variedad de animales prehist\u00f3ricos frecuentemente confundidos con dinosaurios, aunque no lo son. Algunos fueron contempor\u00e1neos de los dinosaurios, otros mucho m\u00e1s antiguos y algunos m\u00e1s recientes.<\/p>\n<p>Ya les hab\u00eda platicado que el paleont\u00f3logo y anatomista ingl\u00e9s Sir Richard Owen acu\u00f1\u00f3 la palabra \u201cDinosaurio\u201d en 1842 por para nombrar un pu\u00f1ado de reptiles f\u00f3siles extintos reci\u00e9n descritos.<\/p>\n<p>La clasificaci\u00f3n original de los dinosaurios como reptiles les permit\u00eda encajar en uno de los cinco grandes grupos de vertebrados derivados de la clasificaci\u00f3n de Linneo: peces, anfibios, reptiles, aves y mam\u00edferos.<\/p>\n<p>En la actualidad, dicha clasificaci\u00f3n es obsoleta pues se busca que la taxonom\u00eda de los grupos biol\u00f3gicos refleje las relaciones evolutivas de los organismos, derivando en problemas como que las aves y los mam\u00edferos sean en sentido estricto \u201creptiles\u201d.<\/p>\n<p>Los dinosaurios forman un linaje de dentro de los arcosaurios (\u201creptiles dominantes\u201d), que a su vez son un grupo de di\u00e1psidos (\u201creptiles\u201d con dos aberturas craneales detr\u00e1s de las cuencas oculares) y a su vez son un grupo de saur\u00f3psidos (uno de los dos grandes grupos de animales amniotas).<\/p>\n<p>Hay una docena de caracter\u00edsticas anat\u00f3micas que considerar para clasificar un organismo como dinosaurio, principalmente en el cr\u00e1neo, las extremidades posteriores, la cadera y las v\u00e9rtebras. Pero hay dos pistas confiables para diferenciar a los dinosaurios de otros animales relacionados:<\/p>\n<p>1) Todos los dinosaurios, con excepci\u00f3n de las aves (porque s\u00ed, las aves son dinosaurios) son animales terrestres; los grandes reptiles mesozoicos que volaban y nadaban (pterosaurios, plesiosaurios, ictiosaurios y mosasaurios) no son dinosaurios.<\/p>\n<p>2) Todos los dinosaurios poseen las extremidades posteriores en posici\u00f3n recta debajo del cuerpo. Si nos fijamos en otros linajes de reptiles como los pelicosaurios y los cocodrilos veremos que sus patas se encuentran en posici\u00f3n lateral.<\/p>\n<p>S\u00edgueme por: h<a href=\"https:\/\/www.facebook.com\/DinodatosFB\">ttps:\/\/www.facebook.com\/DinodatosFB<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En la cultura popular (pel\u00edculas, libros, juguetes) podemos encontrar una variedad de animales prehist\u00f3ricos frecuentemente confundidos con dinosaurios, aunque no lo son. Algunos fueron contempor\u00e1neos de los dinosaurios, otros mucho m\u00e1s antiguos y algunos m\u00e1s recientes. Ya les hab\u00eda platicado que el paleont\u00f3logo y anatomista ingl\u00e9s Sir Richard Owen acu\u00f1\u00f3 la palabra \u201cDinosaurio\u201d en 1842 [&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-1061","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\/1061","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=1061"}],"version-history":[{"count":2,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/posts\/1061\/revisions"}],"predecessor-version":[{"id":1071,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/posts\/1061\/revisions\/1071"}],"wp:attachment":[{"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/media?parent=1061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/categories?post=1061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/tags?post=1061"},{"taxonomy":"columnista","embeddable":true,"href":"https:\/\/elcontemporaneo.mx\/index.php\/wp-json\/wp\/v2\/columnista?post=1061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}