{"id":17190,"date":"2026-02-21T18:26:56","date_gmt":"2026-02-21T17:26:56","guid":{"rendered":"https:\/\/clientes.munecarusa.com\/mp\/?p=17190"},"modified":"2026-02-21T18:26:59","modified_gmt":"2026-02-21T17:26:59","slug":"materpiscis","status":"publish","type":"post","link":"https:\/\/clientes.munecarusa.com\/mp\/materpiscis\/","title":{"rendered":"Materpiscis"},"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 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>Long Et, 2008<\/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=\"Materpiscis\" width=\"30\" height=\"50\" \/><\/h2>\n<p>Materpiscis attenboroughi es uno de los f\u00f3siles m\u00e1s extraordinarios jam\u00e1s descubiertos en el estudio de los vertebrados primitivos. Este peque\u00f1o placodermo del Dev\u00f3nico Superior, hallado en los dep\u00f3sitos de Gogo en Australia Occidental, ha adquirido una relevancia cient\u00edfica inmensa porque representa la evidencia m\u00e1s antigua conocida de reproducci\u00f3n interna y viviparidad en vertebrados. El hallazgo de un embri\u00f3n perfectamente preservado dentro del cuerpo de la madre, acompa\u00f1ado de un cord\u00f3n umbilical mineralizado, transform\u00f3 por completo la visi\u00f3n tradicional sobre c\u00f3mo se reproduc\u00edan los primeros peces con mand\u00edbulas.[\/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\/Materpiscis.webp\u00bb alt=\u00bbMaterpiscis\u00bb show_in_lightbox=\u00bbon\u00bb use_overlay=\u00bbon\u00bb overlay_icon_color=\u00bb#ff6600&#8243; 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} .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 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]<\/p>\n<h3>FAUNA DEL DEV\u00d3NICO<\/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; closed_toggle_text_color=\u00bb#FFFFFF\u00bb closed_toggle_background_color=\u00bb#ff6600&#8243; toggle_icon=\u00bb&#x50;||divi||400&#8243; icon_color=\u00bb#FFFFFF\u00bb use_icon_font_size=\u00bbon\u00bb icon_font_size=\u00bb25px\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb toggle_text_color=\u00bb#FFFFFF\u00bb toggle_font=\u00bb|700|||||||\u00bb toggle_font_size=\u00bb22px\u00bb toggle_letter_spacing=\u00bb1px\u00bb body_font=\u00bb|600|||||||\u00bb body_text_color=\u00bb#FFFFFF\u00bb background_enable_color=\u00bboff\u00bb custom_margin=\u00bb25px||||false|false\u00bb custom_margin_tablet=\u00bb0px||||false|false\u00bb custom_margin_phone=\u00bb0px||||false|false\u00bb custom_margin_last_edited=\u00bbon|phone\u00bb sticky_limit_bottom=\u00bbcolumn\u00bb toggle_font_size_tablet=\u00bb19px\u00bb toggle_font_size_phone=\u00bb16px\u00bb toggle_font_size_last_edited=\u00bbon|phone\u00bb body_font_size_tablet=\u00bb16px\u00bb body_font_size_phone=\u00bb14px\u00bb body_font_size_last_edited=\u00bbon|phone\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_accordion_item title=\u00bbEra Geol\u00f3gica\u00bb open=\u00bbon\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb]Era: Paleozoica<br \/>\nPeriodo: Dev\u00f3nico[\/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]Long Et, 2008[\/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]Australia[\/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]Pez[\/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]Ptyctodontidae[\/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=\u00bb12&#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=\u00bb380&#8243; 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_module_preset=\u00bbdefault\u00bb custom_margin=\u00bb||||false|false\u00bb custom_padding=\u00bb30px||||false|false\u00bb hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb sticky_enabled=\u00bb0&#8243;][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]Antes de Materpiscis, se asum\u00eda que los placodermos eran animales de reproducci\u00f3n externa, similares a muchos peces modernos que liberan huevos y esperma en el agua. Sin embargo, este f\u00f3sil demostr\u00f3 que la reproducci\u00f3n interna, la fecundaci\u00f3n copulatoria y el desarrollo embrionario dentro del cuerpo materno ya exist\u00edan hace unos 380 millones de a\u00f1os, mucho antes de lo que se cre\u00eda posible.<\/p>\n<p>El nombre Materpiscis significa literalmente \u201cpez madre\u201d, un homenaje directo a la naturaleza excepcional del f\u00f3sil, mientras que el ep\u00edteto attenboroughi honra a David Attenborough por su labor en la divulgaci\u00f3n cient\u00edfica. Materpiscis pertenec\u00eda al grupo de los placodermos ptyctodontos, un linaje de peces acorazados caracterizados por cuerpos relativamente peque\u00f1os, mand\u00edbulas bien desarrolladas y una reducci\u00f3n progresiva de la armadura d\u00e9rmica en comparaci\u00f3n con otros placodermos m\u00e1s robustos. Los ptyctodontos presentan un notable dimorfismo sexual, con machos que pose\u00edan estructuras especializadas para la c\u00f3pula, similares en funci\u00f3n a los claspers de los tiburones modernos. Este detalle anat\u00f3mico ya suger\u00eda la posibilidad de fecundaci\u00f3n interna, pero hasta el descubrimiento de Materpiscis no exist\u00eda ninguna prueba directa que confirmara este comportamiento reproductivo.<\/p>\n<p>El f\u00f3sil m\u00e1s famoso de Materpiscis consiste en un ejemplar adulto que conserva en su interior un embri\u00f3n articulado, con un cord\u00f3n umbilical claramente visible. Este nivel de preservaci\u00f3n es extremadamente raro, y solo fue posible gracias a las condiciones excepcionales de fosilizaci\u00f3n de los arrecifes de Gogo, donde los organismos quedaban r\u00e1pidamente cubiertos por sedimentos finos en ambientes an\u00f3xicos que imped\u00edan la descomposici\u00f3n. La presencia del cord\u00f3n umbilical demuestra que el embri\u00f3n recib\u00eda nutrientes directamente de la madre, lo que constituye una forma temprana de viviparidad matrotrofa. Este hallazgo implica que los mecanismos reproductivos complejos no surgieron en los peces \u00f3seos ni en los condrictios modernos, sino mucho antes, dentro de los placodermos, un grupo que durante d\u00e9cadas se consider\u00f3 primitivo y anat\u00f3micamente simple.<\/p>\n<p>Materpiscis med\u00eda alrededor de 25 a 30 cent\u00edmetros de longitud y pose\u00eda una armadura cef\u00e1lica y tor\u00e1cica relativamente ligera en comparaci\u00f3n con otros placodermos. Su cuerpo era hidrodin\u00e1mico, con aletas bien desarrolladas que le permit\u00edan maniobrar en los arrecifes dev\u00f3nicos. La mand\u00edbula estaba equipada con placas dentales que funcionaban como superficies de trituraci\u00f3n, lo que sugiere una dieta basada en peque\u00f1os invertebrados de caparaz\u00f3n duro. Su anatom\u00eda general indica que era un nadador activo, capaz de desplazarse con agilidad entre las estructuras coralinas del arrecife. Los ptyctodontos, incluido Materpiscis, muestran una reducci\u00f3n progresiva de la armadura corporal, lo que probablemente les otorgaba mayor movilidad y un estilo de vida m\u00e1s din\u00e1mico que el de otros placodermos m\u00e1s pesados como los antiarcos o los artrodiros gigantes.<\/p>\n<p>El descubrimiento de Materpiscis no solo revolucion\u00f3 la comprensi\u00f3n de la reproducci\u00f3n en los placodermos, sino que tambi\u00e9n oblig\u00f3 a replantear la historia evolutiva de los vertebrados con mand\u00edbulas. La viviparidad y la fecundaci\u00f3n interna se consideraban innovaciones relativamente tard\u00edas, asociadas a linajes m\u00e1s avanzados. Sin embargo, Materpiscis demuestra que estos comportamientos ya estaban presentes en el tronco basal de los gnat\u00f3stomos. Esto implica que la reproducci\u00f3n interna pudo haber surgido muy temprano en la evoluci\u00f3n de los vertebrados y que posteriormente se perdi\u00f3 o modific\u00f3 en distintos linajes. La presencia de estructuras copulatorias en machos de ptyctodontos refuerza esta idea, ya que indica que la anatom\u00eda necesaria para la fecundaci\u00f3n interna estaba bien desarrollada en este grupo.<\/p>\n<p>Los yacimientos de Gogo, donde se encontr\u00f3 Materpiscis, son famosos por su preservaci\u00f3n tridimensional excepcional. A diferencia de la mayor\u00eda de los f\u00f3siles de peces dev\u00f3nicos, que suelen encontrarse aplastados, los ejemplares de Gogo conservan su volumen original, lo que permite estudiar detalles anat\u00f3micos internos mediante t\u00e9cnicas como la tomograf\u00eda computarizada. Gracias a estas herramientas, los investigadores pudieron observar el embri\u00f3n dentro de Materpiscis sin destruir el f\u00f3sil, revelando detalles como la posici\u00f3n del embri\u00f3n, la conexi\u00f3n umbilical y la estructura de las placas internas. Este nivel de detalle ha convertido a Materpiscis en uno de los f\u00f3siles m\u00e1s estudiados del Dev\u00f3nico.<\/p>\n<p>La importancia de Materpiscis va m\u00e1s all\u00e1 de la paleontolog\u00eda de placodermos. Su descubrimiento ha influido en debates sobre la evoluci\u00f3n de la reproducci\u00f3n en vertebrados, la aparici\u00f3n de estrategias reproductivas complejas y la interpretaci\u00f3n de la anatom\u00eda de los primeros gnat\u00f3stomos. Tambi\u00e9n ha servido para reevaluar la supuesta \u201csimplicidad\u201d de los placodermos, que durante d\u00e9cadas fueron considerados un grupo lateral y poco relevante en la evoluci\u00f3n de los vertebrados modernos. Hoy se sabe que muchos rasgos clave \u2014mand\u00edbulas complejas, estructuras faciales avanzadas, reproducci\u00f3n interna\u2014 ya estaban presentes en ellos.<\/p>\n<p>Materpiscis attenboroughi, con su embri\u00f3n preservado y su cord\u00f3n umbilical, se ha convertido en un s\u00edmbolo de c\u00f3mo un f\u00f3sil peque\u00f1o puede transformar por completo la visi\u00f3n cient\u00edfica de un periodo entero. 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custom_margin=\u00bb||10px||false|false\u00bb header_font_size_tablet=\u00bb22px\u00bb header_font_size_phone=\u00bb15px\u00bb header_font_size_last_edited=\u00bbon|tablet\u00bb header_line_height_tablet=\u00bb\u00bb header_line_height_phone=\u00bb1.2em\u00bb header_line_height_last_edited=\u00bbon|phone\u00bb body_font_size_tablet=\u00bb16px\u00bb body_font_size_phone=\u00bb14px\u00bb body_font_size_last_edited=\u00bbon|phone\u00bb body_line_height_tablet=\u00bb1.7em\u00bb body_line_height_phone=\u00bb1.6em\u00bb body_line_height_last_edited=\u00bbon|phone\u00bb header_text_shadow_style=\u00bbpreset1&#8243; global_colors_info=\u00bb{}\u00bb]Paleozoico o tambi\u00e9n era Primaria es una divisi\u00f3n de la escala temporal geol\u00f3gica de m\u00e1s de 290 millones de a\u00f1os de duraci\u00f3n, que se inici\u00f3 hace 542 millones de a\u00f1os. y acab\u00f3 hace unos 251 millones de a\u00f1os.[\/et_pb_blurb][et_pb_button 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_module_preset=\u00bbdefault\u00bb title_level=\u00bbh2&#8243; title_font=\u00bb|600||on|||||\u00bb title_text_align=\u00bbcenter\u00bb title_text_color=\u00bb#000000&#8243; title_font_size=\u00bb30px\u00bb title_letter_spacing=\u00bb1px\u00bb animation_style=\u00bbslide\u00bb animation_direction=\u00bbbottom\u00bb title_font_size_tablet=\u00bb25px\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_divider color=\u00bb#999999&#8243; _builder_version=\u00bb4.27.5&#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_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p><font color=\"#ff6600\"><strong>Long Et, 2008<\/strong><\/font><\/p>\n<p>Materpiscis es el vertebrado m\u00e1s antiguo con evidencia de viviparidad y reproducci\u00f3n interna en el periodo Dev\u00f3nico&#8230;<\/p>\n","protected":false},"author":1,"featured_media":17193,"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":[19],"tags":[],"class_list":["post-17190","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fauna-del-devonico"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Materpiscis | El extra\u00f1o pez viv\u00edparo del Dev\u00f3nico<\/title>\n<meta name=\"description\" content=\"Materpiscis es el vertebrado m\u00e1s antiguo con evidencia de viviparidad y reproducci\u00f3n interna en el periodo Dev\u00f3nico.\" \/>\n<meta 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