{"id":6630,"date":"2017-02-02T19:00:56","date_gmt":"2017-02-02T21:00:56","guid":{"rendered":"https:\/\/blog.mindthegraph.com\/?p=6630"},"modified":"2022-10-14T11:22:01","modified_gmt":"2022-10-14T14:22:01","slug":"ancestral-arthropod","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/es\/ancestral-artropodo\/","title":{"rendered":"Un paso m\u00e1s cerca del artr\u00f3podo ancestral"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Una especie reci\u00e9n descubierta puede acercarnos un poco m\u00e1s al artr\u00f3podo ancestral. Esta peque\u00f1a especie de lobopodio tiene aproximadamente 500 millones de a\u00f1os y parece un gusano, excepto por sus 20 o 30 patas. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Aparte de la cantidad de patas, esta peque\u00f1a criatura llamada <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis cribratus<\/span><\/i><span style=\"font-weight: 400;\"> tiene otras caracter\u00edsticas interesantes. Viviendo en las profundidades del mar durante el C\u00e1mbrico, el <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis cribratus <\/span><\/i><span style=\"font-weight: 400;\">sol\u00eda anclarse en el fondo del oc\u00e9ano y utilizaba sus patas para filtrar el agua. Este comportamiento de alimentaci\u00f3n recuerda a un peque\u00f1o baile, como puede verse en este incre\u00edble v\u00eddeo en 3D:<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"Lobopodio de 500 millones de a\u00f1os\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/emUXb8lejNo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><span style=\"font-weight: 400;\">Los cient\u00edficos est\u00e1n tratando de construir el \u00e1rbol evolutivo de los artr\u00f3podos bas\u00e1ndose en estos nuevos hallazgos. Sin embargo, hay dos cuestiones principales que todav\u00eda les frenan:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Los lob\u00f3podos est\u00e1n extinguidos. Eso significa que no podemos obtener datos moleculares para construir su \u00e1rbol geneal\u00f3gico del mismo modo que hacemos con las especies vivas. La forma de evitarlo es buscar f\u00f3siles e informaci\u00f3n anat\u00f3mica que pueda ayudar a construir un escenario evolutivo.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Aunque se han encontrado otros f\u00f3siles de lob\u00f3podos, \u00e9stos presentan una gran diversidad y disparidad entre s\u00ed. Entre muchos f\u00f3siles contempor\u00e1neos, es dif\u00edcil determinar las verdaderas ramas ancestrales.<\/span><\/li>\n<\/ul>\n<p><a href=\"http:\/\/blogs.biomedcentral.com\/bmcseriesblog\/2017\/01\/31\/newly-discovered-500-million-year-old-species-offers-insights-ancestral-arthropod\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-6631\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2017\/02\/lobopodian-768x952.jpg\" alt=\"Un paso m\u00e1s cerca del artr\u00f3podo ancestral\" width=\"457\" height=\"566\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2017\/02\/lobopodian-768x952.jpg 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2017\/02\/lobopodian-768x952-242x300.jpg 242w\" sizes=\"(max-width: 457px) 100vw, 457px\" \/><\/a><\/p>\n<h4><strong>Entonces, \u00bfpor qu\u00e9 todo este alboroto por un nuevo f\u00f3sil de lobopodio?<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">El grupo de los artr\u00f3podos -al que pertenecen los lob\u00f3podos- es uno de los grupos de animales mejor logrados, que abarca el 80% de todas las especies conocidas. Adem\u00e1s, el h\u00e1bito alimenticio de los lob\u00f3podos revela una importante huella en la evoluci\u00f3n de todos los artr\u00f3podos.<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">Bueno <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis <\/span><\/i><span style=\"font-weight: 400;\">(<\/span><i><span style=\"font-weight: 400;\">Ovatio<\/span><\/i><span style=\"font-weight: 400;\"> - Ovaci\u00f3n, <\/span><i><span style=\"font-weight: 400;\">vermis<\/span><\/i><span style=\"font-weight: 400;\"> - gusano), has revelado que el ancestro de &gt;80% de las especies animales era un filtrador, \u00a1ponte de pie y date un aplauso! - Dave Marshall para BioMed Central (<a href=\"http:\/\/blogs.biomedcentral.com\/bmcseriesblog\/2017\/01\/31\/newly-discovered-500-million-year-old-species-offers-insights-ancestral-arthropod\/\">lea el art\u00edculo completo aqu\u00ed<\/a>)<\/span><\/p><\/blockquote>\n<p><a href=\"http:\/\/blogs.biomedcentral.com\/bmcseriesblog\/2017\/01\/31\/newly-discovered-500-million-year-old-species-offers-insights-ancestral-arthropod\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-6632 size-full\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2017\/02\/ovatiovermis.jpg\" alt=\"Un paso m\u00e1s cerca del artr\u00f3podo ancestral\" width=\"800\" height=\"246\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">A pesar de toda la nueva informaci\u00f3n sobre el artr\u00f3podo ancestral, queda una pregunta: \u00bfla gente encuentra a los lob\u00f3podos tan espeluznantes como sus parientes vivos?<\/span><a href=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2016\/06\/i-love-science.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5826\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2016\/06\/i-love-science.png\" alt=\"Un paso m\u00e1s cerca del artr\u00f3podo ancestral\" width=\"380\" height=\"152\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2016\/06\/i-love-science.png 1500w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2016\/06\/i-love-science-300x120.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2016\/06\/i-love-science-1024x410.png 1024w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Una especie reci\u00e9n descubierta puede acercarnos un poco m\u00e1s al artr\u00f3podo ancestral. Esta peque\u00f1a especie de lobopodio tiene aproximadamente 500 millones de a\u00f1os y parece un gusano, excepto por sus 20 o 30 patas. Aparte de la cantidad de patas, esta peque\u00f1a criatura llamada Ovatiovermis cribratus tiene algunas otras caracter\u00edsticas interesantes. Viviendo [...]<\/p>","protected":false},"author":11,"featured_media":6638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":[],"categories":[959,28],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>One step closer to the ancestral arthropod - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"A newly discovered species may bring us one step closer to the ancestral arthropod. 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