{"id":17461,"date":"2026-02-23T09:49:15","date_gmt":"2026-02-23T08:49:15","guid":{"rendered":"https:\/\/clientes.munecarusa.com\/mp\/?p=17461"},"modified":"2026-02-24T13:19:34","modified_gmt":"2026-02-24T12:19:34","slug":"megarachne","status":"publish","type":"post","link":"https:\/\/clientes.munecarusa.com\/mp\/megarachne\/","title":{"rendered":"Megarachne"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00bb1&#8243; custom_padding_last_edited=\u00bboff|phone\u00bb disabled_on=\u00bboff|off|off\u00bb admin_label=\u00bbFondo Men\u00fa\u00bb _builder_version=\u00bb4.27.2&#8243; background_color=\u00bb#ff6600&#8243; custom_margin=\u00bb0px||20px||false|false\u00bb custom_padding=\u00bb0px||0px||true|false\u00bb collapsed=\u00bbon\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_section][et_pb_section fb_built=\u00bb1&#8243; custom_padding_last_edited=\u00bbon|phone\u00bb disabled_on=\u00bboff|off|off\u00bb admin_label=\u00bbIntroducci\u00f3n\u00bb _builder_version=\u00bb4.27.2&#8243; background_enable_color=\u00bboff\u00bb custom_margin_last_edited=\u00bboff|phone\u00bb custom_padding=\u00bb||0px||false|false\u00bb custom_padding_tablet=\u00bb27px||0px||false|false\u00bb custom_padding_phone=\u00bb37px||||false|false\u00bb collapsed=\u00bbon\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row make_equal=\u00bbon\u00bb custom_padding_last_edited=\u00bbon|phone\u00bb _builder_version=\u00bb4.27.2&#8243; background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb custom_margin=\u00bb||||false|false\u00bb custom_padding=\u00bb||0px||false|false\u00bb custom_padding_tablet=\u00bb||0px||false|false\u00bb custom_padding_phone=\u00bb||10px||false|false\u00bb collapsed=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.16&#8243; custom_padding=\u00bb|||\u00bb global_colors_info=\u00bb{}\u00bb custom_padding__hover=\u00bb|||\u00bb][et_pb_post_title meta=\u00bboff\u00bb featured_image=\u00bboff\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb title_font=\u00bb|600||on|||||\u00bb title_text_align=\u00bbcenter\u00bb title_text_color=\u00bb#000000&#8243; title_font_size=\u00bb70px\u00bb title_letter_spacing=\u00bb1px\u00bb custom_margin=\u00bb||10px||false|false\u00bb animation_style=\u00bbslide\u00bb animation_direction=\u00bbbottom\u00bb title_font_size_tablet=\u00bb50px\u00bb title_font_size_phone=\u00bb20px\u00bb title_font_size_last_edited=\u00bbon|phone\u00bb title_text_shadow_style=\u00bbpreset1&#8243; global_colors_info=\u00bb{}\u00bb][\/et_pb_post_title][et_pb_text content_last_edited=\u00bboff|phone\u00bb _builder_version=\u00bb4.27.5&#8243; header_4_font=\u00bb|700||on|||||\u00bb header_4_text_align=\u00bbcenter\u00bb header_4_text_color=\u00bb#ff6600&#8243; header_4_font_size=\u00bb30px\u00bb header_4_line_height=\u00bb1.4em\u00bb background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb text_orientation=\u00bbjustified\u00bb animation_style=\u00bbzoom\u00bb text_font_size_last_edited=\u00bboff|phone\u00bb text_line_height_last_edited=\u00bboff|phone\u00bb header_4_font_size_tablet=\u00bb22px\u00bb header_4_font_size_phone=\u00bb11px\u00bb header_4_font_size_last_edited=\u00bbon|phone\u00bb header_4_text_shadow_style=\u00bbpreset1&#8243; global_colors_info=\u00bb{}\u00bb header_4_text_color__hover_enabled=\u00bboff|hover\u00bb text_text_color__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h4>H\u00fcnicken, 1980<\/h4>\n<p>[\/et_pb_text][et_pb_divider color=\u00bb#999999&#8243; admin_label=\u00bbSeparador\u00bb _builder_version=\u00bb4.27.0&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb-20px||0px||false|false\u00bb custom_padding=\u00bb||||false|false\u00bb animation_style=\u00bbslide\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_divider][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=\u00bbFila\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb||||false|false\u00bb custom_padding=\u00bb0px||10px||false|false\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb animation_style=\u00bbzoom\u00bb sticky_limit_top=\u00bbrow\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text content_last_edited=\u00bboff|desktop\u00bb disabled_on=\u00bboff|off|off\u00bb admin_label=\u00bbTexto\u00bb _builder_version=\u00bb4.27.5&#8243; text_text_color=\u00bb#444444&#8243; background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb text_orientation=\u00bbjustified\u00bb text_font_size_tablet=\u00bb16px\u00bb text_font_size_phone=\u00bb14px\u00bb text_font_size_last_edited=\u00bbon|phone\u00bb text_line_height_tablet=\u00bb1.7em\u00bb text_line_height_phone=\u00bb1.6em\u00bb text_line_height_last_edited=\u00bbon|phone\u00bb global_colors_info=\u00bb{}\u00bb]<\/p>\n<h2 style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-4309 alignleft\" src=\"https:\/\/clientes.munecarusa.com\/mp\/wp-content\/uploads\/2025\/01\/margen-huella.png\" alt=\"Megarachne\" width=\"30\" height=\"50\" \/><\/h2>\n<p>Megarachne es uno de los f\u00f3siles m\u00e1s c\u00e9lebres y pol\u00e9micos del Carbon\u00edfero Superior, no por su tama\u00f1o \u2014aunque era considerable para un artr\u00f3podo de agua dulce\u2014 sino por la historia cient\u00edfica que lo rodea. Descubierto en San Luis, Argentina, y descrito en 1980, fue interpretado inicialmente como la mayor ara\u00f1a que jam\u00e1s existi\u00f3, una criatura colosal que habr\u00eda superado con creces a cualquier ar\u00e1cnido moderno. Esta idea captur\u00f3 la imaginaci\u00f3n del p\u00fablico y se difundi\u00f3 ampliamente durante a\u00f1os. Sin embargo, estudios posteriores demostraron que Megarachne no era una ara\u00f1a, sino un euript\u00e9rido, un grupo de quelicerados emparentados con los escorpiones marinos. Este cambio de clasificaci\u00f3n no solo corrigi\u00f3 un error, sino que revel\u00f3 la verdadera naturaleza de un animal fascinante que habit\u00f3 los pantanos del Carbon\u00edfero hace unos 300 millones de a\u00f1os.[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00bb2_3,1_3&#8243; admin_label=\u00bbFila\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb||||false|false\u00bb custom_padding=\u00bb0px||10px||false|false\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb2_3&#8243; _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb animation_style=\u00bbzoom\u00bb sticky_limit_top=\u00bbrow\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_image src=\u00bbhttps:\/\/clientes.munecarusa.com\/mp\/wp-content\/uploads\/2026\/02\/Megarachne.webp\u00bb alt=\u00bbMegarachne\u00bb show_in_lightbox=\u00bbon\u00bb use_overlay=\u00bbon\u00bb overlay_icon_color=\u00bb#ff6600&#8243; hover_overlay_color=\u00bbrgba(255,102,0,0.2)\u00bb align=\u00bbcenter\u00bb force_fullwidth=\u00bbon\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb25px||||false|false\u00bb sticky_limit_top=\u00bbcolumn\u00bb sticky_limit_bottom=\u00bbcolumn\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_image][et_pb_code disabled_on=\u00bboff|off|off\u00bb admin_label=\u00bbMe gusta\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb-20px||||false|false\u00bb sticky_limit_bottom=\u00bbcolumn\u00bb global_colors_info=\u00bb{}\u00bb]<div class=\"et_social_networks et_social_1col et_social_slide et_social_rectangle et_social_left et_social_withcounts et_social_shortcode_0 et_social_mobile_on et_social_withnetworknames et_social_outer_dark\">\n\t\t\t\t\t<style type=\"text\/css\">.et_monarch .et_social_shortcode_0 li,.et_monarch .et_social_shortcode_0.et_social_circle ul li i.et_social_icon { background: #ff0000; } .et_monarch .et_social_shortcode_0.et_social_rounded .et_social_icons_container li:hover, .et_monarch .et_social_shortcode_0.et_social_rectangle .et_social_icons_container li:hover, .et_monarch .et_social_shortcode_0.et_social_circle .et_social_icons_container li:hover i.et_social_icon { background: #660000 !important; } .et_monarch .et_social_shortcode_0 .et_social_icons_container li:hover .et_social_icon, .et_monarch .et_social_shortcode_0 .et_social_networks .et_social_icons_container li:hover .et_social_network_label, .et_monarch .et_social_shortcode_0 .et_social_icons_container li:hover .et_social_networkname, .et_monarch .et_social_rounded.et_social_shortcode_0 .et_social_icons_container li:hover .et_social_count, .et_monarch .et_social_rectangle.et_social_shortcode_0 .et_social_icons_container li:hover .et_social_count { color: #ffffff !important; }<\/style>\n\t\t\t\t\t\n\t\t\t\t\t<ul class=\"et_social_icons_container\"><li class=\"et_social_like\">\n\t\t\t\t\t\t<a href=\"#\" class=\"et_social_follow\" data-social_name=\"like\" data-social_type=\"like\" data-post_id=\"0\" target=\"_blank\">\n\t\t\t\t\t\t\t<i class=\"et_social_icon et_social_icon_like\"><\/i>\n\t\t\t\t\t\t\t<div class=\"et_social_network_label\"><div class=\"et_social_networkname\">Me gusta<\/div><div class=\"et_social_count\">\n\t\t\t\t\t\t<span>0<\/span>\n\t\t\t\t\t\t<span class=\"et_social_count_label\">Likes<\/span>\n\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t<span class=\"et_social_overlay\"><\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li><\/ul>\n\t\t\t\t<\/div>[\/et_pb_code][et_pb_post_title meta=\u00bboff\u00bb featured_image=\u00bboff\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb title_font=\u00bb|600||on|||||\u00bb title_text_align=\u00bbcenter\u00bb title_text_color=\u00bb#000000&#8243; title_font_size=\u00bb35px\u00bb title_letter_spacing=\u00bb1px\u00bb custom_margin=\u00bb||0px||false|false\u00bb animation_direction=\u00bbbottom\u00bb sticky_limit_bottom=\u00bbcolumn\u00bb title_font_size_tablet=\u00bb30px\u00bb title_font_size_phone=\u00bb20px\u00bb title_font_size_last_edited=\u00bbon|desktop\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_post_title][et_pb_text content_last_edited=\u00bboff|phone\u00bb disabled_on=\u00bboff|off|off\u00bb admin_label=\u00bbSubt\u00edtulo\u00bb _builder_version=\u00bb4.27.5&#8243; header_2_font=\u00bb||||||||\u00bb header_3_font=\u00bb|700||on|||||\u00bb header_3_text_align=\u00bbcenter\u00bb header_3_text_color=\u00bb#444444&#8243; header_3_font_size=\u00bb30px\u00bb header_4_font=\u00bb||||||||\u00bb background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb sticky_limit_bottom=\u00bbcolumn\u00bb hover_enabled=\u00bb0&#8243; text_font_size_last_edited=\u00bboff|phone\u00bb text_line_height_last_edited=\u00bboff|desktop\u00bb header_2_font_size_last_edited=\u00bboff|phone\u00bb header_3_font_size_tablet=\u00bb25px\u00bb header_3_font_size_phone=\u00bb15px\u00bb header_3_font_size_last_edited=\u00bbon|phone\u00bb header_4_font_size_last_edited=\u00bboff|phone\u00bb global_colors_info=\u00bb{}\u00bb header_4_text_color__hover_enabled=\u00bboff|hover\u00bb sticky_enabled=\u00bb0&#8243;]<\/p>\n<h3>FAUNA DEL CARBON\u00cdFERO<\/h3>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00bb1_3&#8243; _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb positioning=\u00bbnone\u00bb animation_style=\u00bbzoom\u00bb animation_direction=\u00bbright\u00bb sticky_limit_top=\u00bbrow\u00bb sticky_limit_bottom=\u00bbrow\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_accordion db_closeable=\u00bbon\u00bb db_initial_state=\u00bball_closed\u00bb open_toggle_text_color=\u00bb#FFFFFF\u00bb open_toggle_background_color=\u00bb#660000&#8243; 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_module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb]Era: Paleozoica<br \/>\nPeriodo: Carbon\u00edfero[\/et_pb_accordion_item][et_pb_accordion_item title=\u00bbDescubridor\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb open=\u00bboff\u00bb]H\u00fcnicken, 1980[\/et_pb_accordion_item][et_pb_accordion_item title=\u00bbOrigen\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb open=\u00bboff\u00bb]Argentina[\/et_pb_accordion_item][et_pb_accordion_item title=\u00bbGrupo\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb open=\u00bboff\u00bb]Invertebrado[\/et_pb_accordion_item][et_pb_accordion_item title=\u00bbFamilia\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb open=\u00bboff\u00bb]Mycteroptidae[\/et_pb_accordion_item][\/et_pb_accordion][et_pb_counters bar_bg_color=\u00bb#ff6600&#8243; _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb title_font=\u00bb|700|||||||\u00bb title_text_color=\u00bb#000000&#8243; title_font_size=\u00bb22px\u00bb title_letter_spacing=\u00bb1px\u00bb percent_font=\u00bb|600|||||||\u00bb percent_text_color=\u00bb#FFFFFF\u00bb percent_font_size=\u00bb18px\u00bb percent_letter_spacing=\u00bb1px\u00bb custom_padding=\u00bb15px||15px||true|false\u00bb sticky_limit_bottom=\u00bbcolumn\u00bb title_font_size_tablet=\u00bb19px\u00bb title_font_size_phone=\u00bb16px\u00bb title_font_size_last_edited=\u00bbon|phone\u00bb percent_font_size_tablet=\u00bb16px\u00bb percent_font_size_phone=\u00bb14px\u00bb percent_font_size_last_edited=\u00bbon|phone\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_counter percent=\u00bb49&#8243; _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb bar_background_color_default=\u00bb#ff6600&#8243; use_percentages=\u00bbon\u00bb]Agresividad[\/et_pb_counter][\/et_pb_counters][et_pb_number_counter title=\u00bbMillones de A\u00f1os\u00bb number=\u00bb390&#8243; 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_module_preset=\u00bbdefault\u00bb custom_button=\u00bbon\u00bb button_text_size=\u00bb22px\u00bb button_text_color=\u00bb#FFFFFF\u00bb button_bg_color=\u00bb#ff6600&#8243; button_border_radius=\u00bb0px\u00bb button_font=\u00bb|700|||||||\u00bb button_icon=\u00bb&#x24;||divi||400&#8243; custom_margin=\u00bb0px||||false|false\u00bb custom_padding=\u00bb15px||15px||true|false\u00bb sticky_limit_top=\u00bbcolumn\u00bb sticky_limit_bottom=\u00bbcolumn\u00bb button_text_size_tablet=\u00bb19px\u00bb button_text_size_phone=\u00bb16px\u00bb button_text_size_last_edited=\u00bbon|phone\u00bb button_icon_last_edited=\u00bboff|desktop\u00bb button_on_hover_phone=\u00bbon\u00bb button_on_hover_last_edited=\u00bboff|phone\u00bb custom_css_main_element=\u00bbwidth:100%;\u00bb global_colors_info=\u00bb{}\u00bb button_text_color__hover_enabled=\u00bboff|desktop\u00bb button_bg_color__hover_enabled=\u00bbon|hover\u00bb button_bg_color__hover=\u00bb#660000&#8243; button_bg_enable_color__hover=\u00bbon\u00bb][\/et_pb_button][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb||||false|false\u00bb custom_padding=\u00bb30px||||false|false\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb animation_style=\u00bbzoom\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text content_last_edited=\u00bboff|desktop\u00bb disabled_on=\u00bboff|off|off\u00bb admin_label=\u00bbTexto\u00bb _builder_version=\u00bb4.27.5&#8243; text_text_color=\u00bb#444444&#8243; background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb text_orientation=\u00bbjustified\u00bb text_font_size_tablet=\u00bb16px\u00bb text_font_size_phone=\u00bb14px\u00bb text_font_size_last_edited=\u00bbon|phone\u00bb text_line_height_tablet=\u00bb1.7em\u00bb text_line_height_phone=\u00bb1.6em\u00bb text_line_height_last_edited=\u00bbon|phone\u00bb global_colors_info=\u00bb{}\u00bb]El cuerpo de Megarachne alcanzaba unos 50 cent\u00edmetros de longitud, con una envergadura cercana al metro si se consideran las patas extendidas. Para un euript\u00e9rido de agua dulce, este tama\u00f1o era notable, aunque no comparable a los gigantes marinos del Sil\u00farico y Dev\u00f3nico. Su exoesqueleto era robusto, con placas ornamentadas y una textura que, en su momento, contribuy\u00f3 a la confusi\u00f3n con las ara\u00f1as. La forma del prosoma (la parte frontal del cuerpo) y la disposici\u00f3n de las patas tambi\u00e9n jugaron un papel en la interpretaci\u00f3n inicial, ya que recordaban superficialmente a los ar\u00e1cnidos. Sin embargo, detalles m\u00e1s finos \u2014como la estructura de los ap\u00e9ndices, la morfolog\u00eda del telson y la organizaci\u00f3n de los segmentos\u2014 revelaron que pertenec\u00eda al linaje de los Mycteroptidae, un grupo de euript\u00e9ridos adaptados a ambientes de agua dulce y fangosos.<\/p>\n<p>El h\u00e1bitat de Megarachne era un mundo de pantanos profundos, canales lentos y suelos saturados de agua, caracter\u00edsticos del Carbon\u00edfero Superior. Estos ecosistemas estaban dominados por licopodios gigantes, helechos arborescentes y una vegetaci\u00f3n exuberante que generaba una densa capa de materia org\u00e1nica en descomposici\u00f3n. En este entorno, Megarachne se mov\u00eda entre sedimentos blandos, probablemente utilizando sus patas para excavar o remover el sustrato en busca de alimento. Su dieta habr\u00eda consistido en peque\u00f1os invertebrados acu\u00e1ticos, larvas, crust\u00e1ceos de agua dulce e incluso restos org\u00e1nicos. Aunque no era un depredador de gran tama\u00f1o, s\u00ed ocupaba un nicho ecol\u00f3gico importante como consumidor intermedio en los ecosistemas pantanosos.<\/p>\n<p>La anatom\u00eda de Megarachne muestra adaptaciones interesantes a la vida en aguas turbias. Su cuerpo ancho y aplanado le permit\u00eda desplazarse por el fondo sin hundirse demasiado en el fango. Las patas, relativamente cortas y robustas, estaban dise\u00f1adas para caminar sobre sedimentos blandos y para maniobrar en espacios reducidos. El telson, la estructura terminal del cuerpo, era corto y no formaba un aguij\u00f3n como en algunos escorpiones marinos, lo que indica que no era un cazador activo que dependiera de ataques r\u00e1pidos. En cambio, su modo de vida habr\u00eda sido m\u00e1s pausado, basado en la b\u00fasqueda de alimento entre el sustrato y la vegetaci\u00f3n sumergida.<\/p>\n<p>Uno de los aspectos m\u00e1s fascinantes de Megarachne es su historia taxon\u00f3mica. Durante a\u00f1os, la idea de una \u201cara\u00f1a gigante\u201d del Carbon\u00edfero aliment\u00f3 documentales, ilustraciones y art\u00edculos divulgativos. La reinterpretaci\u00f3n como euript\u00e9rido no solo corrigi\u00f3 un error, sino que tambi\u00e9n puso de relieve la importancia de la anatom\u00eda comparada y de la revisi\u00f3n cient\u00edfica. El hallazgo de nuevos f\u00f3siles mejor conservados permiti\u00f3 observar detalles que no estaban presentes en el material original, como la estructura de los ap\u00e9ndices bucales y la morfolog\u00eda de las placas ventrales. Estos elementos fueron decisivos para reclasificarlo correctamente dentro de los quelicerados acu\u00e1ticos.<\/p>\n<p>Desde el punto de vista evolutivo, Megarachne pertenece a los Stylonurina, un suborden de euript\u00e9ridos que incluye formas adaptadas a ambientes no marinos. A diferencia de los euript\u00e9ridos gigantes del Sil\u00farico, que pod\u00edan superar los dos metros de longitud, los estil\u00f3nurinos eran m\u00e1s peque\u00f1os y estaban especializados en aguas dulces, charcas temporales y pantanos. Su presencia en el Carbon\u00edfero Superior indica que estos ecosistemas eran lo suficientemente estables y productivos como para sostener una fauna diversa de artr\u00f3podos grandes. Megarachne, en particular, representa uno de los \u00faltimos miembros de los euript\u00e9ridos antes de su extinci\u00f3n definitiva en el P\u00e9rmico.<\/p>\n<p>El registro f\u00f3sil de Megarachne proviene principalmente de la Formaci\u00f3n Bajo de V\u00e9liz, en San Luis, Argentina, un yacimiento excepcional que ha proporcionado numerosos restos de flora y fauna del Carbon\u00edfero tard\u00edo. Los f\u00f3siles de Megarachne se encuentran en lutitas finas, lo que sugiere que viv\u00eda en ambientes de baja energ\u00eda, como lagos tranquilos o pantanos profundos. La calidad de la preservaci\u00f3n ha permitido estudiar detalles del exoesqueleto, incluyendo ornamentaciones y patrones de crecimiento, que aportan informaci\u00f3n valiosa sobre su biolog\u00eda y su desarrollo.<\/p>\n<p>En conjunto, Megarachne es un ejemplo perfecto de c\u00f3mo la paleontolog\u00eda no solo descubre criaturas del pasado, sino que tambi\u00e9n corrige y refina nuestra comprensi\u00f3n de ellas. 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Carbon\u00edfero, de hasta 50\u202fcm, inicialmente interpretado como una ara\u00f1a gigante&#8230;<\/p>\n","protected":false},"author":1,"featured_media":17464,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[20],"tags":[],"class_list":["post-17461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fauna-del-carbonifero"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Megarachne | El euript\u00e9rido gigante que confundi\u00f3 a la ciencia<\/title>\n<meta name=\"description\" content=\"Megarachne fue un euript\u00e9rido del Carbon\u00edfero, de hasta 50\u202fcm, inicialmente interpretado como una ara\u00f1a gigante.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, 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