{"id":9536,"date":"2025-11-30T19:36:16","date_gmt":"2025-11-30T18:36:16","guid":{"rendered":"https:\/\/clientes.munecarusa.com\/mp\/?p=9536"},"modified":"2026-02-21T11:46:33","modified_gmt":"2026-02-21T10:46:33","slug":"acutiramus","status":"publish","type":"post","link":"https:\/\/clientes.munecarusa.com\/mp\/acutiramus\/","title":{"rendered":"Acutiramus"},"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=\u00bb4.27.4&#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=\u00bb4.27.4&#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>Ruedemann, 1935<\/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 _builder_version=\u00bb4.27.2&#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=\u00bb4.27.2&#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 hover_enabled=\u00bb0&#8243; 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 sticky_enabled=\u00bb0&#8243;]<\/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=\"Acutiramus\" width=\"30\" height=\"50\" \/><\/h2>\n<p>Acutiramus es un g\u00e9nero de euript\u00e9ridos depredadores gigantes, un linaje extinto de artr\u00f3podos acu\u00e1ticos que domin\u00f3 diversos ecosistemas marinos desde el Sil\u00farico Superior hasta el Dev\u00f3nico Inferior. Los f\u00f3siles de este grupo se han encontrado en varios yacimientos de Norteam\u00e9rica y Europa, especialmente en la Rep\u00fablica Checa, y existe incluso material tentativo procedente de Australia. En total se han descrito ocho especies, cinco norteamericanas \u2014incluida la especie tipo A. cummingsi\u2014 y dos checas, una de las cuales podr\u00eda estar representada tambi\u00e9n en Australia. El nombre del g\u00e9nero Acutiramus  procede del lat\u00edn acuto (\u201cafilado\u201d) y ramus (\u201crama\u201d), en referencia al \u00e1ngulo agudo que forma el \u00faltimo diente de la garra respecto al resto de la estructura, un rasgo distintivo del grupo.[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00bb2_3,1_3&#8243; _builder_version=\u00bb4.27.2&#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=\u00bb4.27.2&#8243; _module_preset=\u00bbdefault\u00bb animation_style=\u00bbzoom\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_image src=\u00bbhttps:\/\/clientes.munecarusa.com\/mp\/wp-content\/uploads\/2025\/11\/Acutiramus.webp\u00bb alt=\u00bbAcutiramus\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=\u00bb4.27.4&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb25px||||false|false\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=\u00bb4.27.4&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb-20px||||false|false\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=\u00bb4.27.4&#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 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=\u00bb4.27.4&#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 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 SIL\u00daRICO<\/h3>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00bb1_3&#8243; _builder_version=\u00bb4.27.2&#8243; _module_preset=\u00bbdefault\u00bb animation_style=\u00bbslide\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|tablet\u00bb hover_enabled=\u00bb0&#8243; 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 theme_builder_area=\u00bbpost_content\u00bb sticky_enabled=\u00bb0&#8243;][et_pb_accordion_item title=\u00bbEra Geol\u00f3gica\u00bb open=\u00bbon\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb theme_builder_area=\u00bbpost_content\u00bb sticky_enabled=\u00bb0&#8243;]Era: Paleozoica<br \/>\nPeriodo: Sil\u00farico[\/et_pb_accordion_item][et_pb_accordion_item title=\u00bbDescubridor\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb theme_builder_area=\u00bbpost_content\u00bb open=\u00bboff\u00bb sticky_enabled=\u00bb0&#8243;]Ruedemann, 1921[\/et_pb_accordion_item][et_pb_accordion_item title=\u00bbOrigen\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb theme_builder_area=\u00bbpost_content\u00bb open=\u00bboff\u00bb sticky_enabled=\u00bb0&#8243;]Estados Unidos[\/et_pb_accordion_item][et_pb_accordion_item title=\u00bbGrupo\u00bb _builder_version=\u00bb4.27.2&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb theme_builder_area=\u00bbpost_content\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 hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb theme_builder_area=\u00bbpost_content\u00bb open=\u00bboff\u00bb sticky_enabled=\u00bb0&#8243;]Pterygotidae[\/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; 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percent_sign=\u00bboff\u00bb _builder_version=\u00bb4.27.5&#8243; _module_preset=\u00bbdefault\u00bb title_font=\u00bb|700|||||||\u00bb title_text_align=\u00bbcenter\u00bb title_text_color=\u00bb#FFFFFF\u00bb title_font_size=\u00bb22px\u00bb title_letter_spacing=\u00bb1px\u00bb number_font=\u00bb|700|||||||\u00bb number_text_color=\u00bb#FFFFFF\u00bb number_font_size=\u00bb80px\u00bb number_letter_spacing=\u00bb1px\u00bb number_line_height=\u00bb100px\u00bb background_color=\u00bb#ff6600&#8243; hover_enabled=\u00bb0&#8243; title_font_size_tablet=\u00bb19px\u00bb title_font_size_phone=\u00bb16px\u00bb title_font_size_last_edited=\u00bbon|phone\u00bb number_font_size_tablet=\u00bb70px\u00bb number_font_size_phone=\u00bb60px\u00bb number_font_size_last_edited=\u00bbon|phone\u00bb global_colors_info=\u00bb{}\u00bb theme_builder_area=\u00bbpost_content\u00bb sticky_enabled=\u00bb0&#8243;][\/et_pb_number_counter][et_pb_button button_url=\u00bbhttps:\/\/clientes.munecarusa.com\/mp\/fauna-silurico\/#volver\u00bb button_text=\u00bbFauna del Sil\u00farico\u00bb button_alignment=\u00bbleft\u00bb _builder_version=\u00bb4.27.4&#8243; _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 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 animation_style=\u00bbzoom\u00bb hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb sticky_enabled=\u00bb0&#8243;][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.27.2&#8243; _module_preset=\u00bbdefault\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 hover_enabled=\u00bb0&#8243; 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 sticky_enabled=\u00bb0&#8243;]Este euript\u00e9rido Acutiramus pertenece a la familia Pterygotidae, un conjunto de escorpiones marinos altamente derivados que se caracterizan por sus telsons aplanados y expandidos \u2014estructuras que funcionaban como timones\u2014 y por sus quel\u00edceros modificados en grandes quelas adaptadas para capturar presas activamente. Dentro de esta familia se encuentran algunos de los artr\u00f3podos m\u00e1s grandes de la historia, como Jaekelopterus y Pterygotus, y el g\u00e9nero tratado aqu\u00ed no fue una excepci\u00f3n. La especie m\u00e1s grande, A. bohemicus, superaba los dos metros de longitud, alcanzando aproximadamente 2,1 metros seg\u00fan estimaciones recientes. Sin embargo, no todas las especies eran gigantes: algunas, como A. floweri, apenas alcanzaban los 20 cent\u00edmetros de longitud. Esta variabilidad de tama\u00f1os sugiere que el grupo ocup\u00f3 una amplia gama de nichos ecol\u00f3gicos.<\/p>\n<p>A diferencia de otros pterig\u00f3tidos gigantes, el Acutiramus , como Jaekelopterus y Pterygotus, que pose\u00edan una visi\u00f3n extremadamente aguda y quelas robustas capaces de triturar y perforar, este depredador muestra una combinaci\u00f3n distinta de rasgos. Estudios detallados de los ojos compuestos y de los quel\u00edceros han revelado que su agudeza visual era comparativamente baja, con un n\u00famero reducido de lentes y valores altos de \u00e1ngulo interommatidial. Adem\u00e1s, las garras estaban adaptadas para cortar y cizallar, en lugar de aplastar. Esta combinaci\u00f3n sugiere que el animal no era un cazador visual activo como otros pterig\u00f3tidos, sino que probablemente viv\u00eda como depredador de emboscada o incluso como carro\u00f1ero, aliment\u00e1ndose de animales de cuerpo blando en condiciones de poca luz o durante la noche.<\/p>\n<p>Este miembro de Pterygotidae fue uno de los euript\u00e9ridos m\u00e1s grandes conocidos. A. bohemicus, con 2,1 metros de longitud, solo es superado por Jaekelopterus rhenaniae, que alcanzaba 2,5 metros. Otras especies, como A. macropthalmus, tambi\u00e9n alcanzaban tama\u00f1os considerables, entre 1,65 y 2 metros. En contraste, especies como A. floweri y A. perryensis eran diminutas en comparaci\u00f3n, con apenas 20 cent\u00edmetros de longitud. El cuerpo del g\u00e9nero era notablemente delgado y alargado, casi cinco veces m\u00e1s largo que ancho, lo que le confer\u00eda una silueta estilizada.<\/p>\n<p>El rasgo m\u00e1s distintivo del grupo es la forma de sus quelas. El \u00faltimo diente de la garra forma un \u00e1ngulo agudo con respecto al resto, y el diente central est\u00e1 inclinado hacia adelante. El prosoma del Acutiramus era subcuadrado, con ojos compuestos situados en las esquinas frontales. El telson presentaba una hilera baja de protuberancias a lo largo de su centro, una caracter\u00edstica diagn\u00f3stica del g\u00e9nero.<\/p>\n<p>La historia taxon\u00f3mica del grupo es compleja. La primera especie descrita fue A. macropthalmus, originalmente nombrada como Pterygotus macrophthalmus en 1859. El esp\u00e9cimen tipo era el caparaz\u00f3n de un individuo joven procedente de dep\u00f3sitos sil\u00faricos de Litchfield, Nueva York. Poco despu\u00e9s se describi\u00f3 Pterygotus osborni de la misma localidad, pero estudios posteriores demostraron que ambas especies eran sin\u00f3nimos. A. bohemicus tambi\u00e9n fue descrito inicialmente como una especie de Pterygotus en 1872, bas\u00e1ndose en una coxa incompleta de la Formaci\u00f3n P\u0159\u00eddol\u00ed. Con el tiempo se descubrieron m\u00e1s restos, incluyendo quel\u00edceros, coxas adicionales, segmentos de ap\u00e9ndices, ap\u00e9ndices genitales, metastomas incompletos y telsons, lo que permiti\u00f3 reconstruir mejor la anatom\u00eda de la especie.<\/p>\n<p>La especie tipo del g\u00e9nero, A. cummingsi, fue descrita en 1875 como Pterygotus cummingsi, bas\u00e1ndose en una coxa fragmentaria hallada en Buffalo, Nueva York. Otra especie, Pterygotus buffaloensis, fue descrita poco despu\u00e9s, pero ambas fueron sinonimizadas en 1912. Durante d\u00e9cadas, el grupo fue tratado como un subg\u00e9nero de Pterygotus, hasta que Leif St\u00f8rmer lo elev\u00f3 a g\u00e9nero independiente en 1974.<\/p>\n<p>Otras especies, como A. floweri y A. suwanneensis, se conocen a partir de restos fragmentarios, principalmente quel\u00edceros. A. floweri procede de dep\u00f3sitos lagunares del Ludfordiano en Nueva York, mientras que A. suwanneensis fue hallado en Florida y se distingue por sus numerosos dientes quelicerales y su peque\u00f1o tama\u00f1o, alrededor de 50 cent\u00edmetros. A. perneri, descrito en 1994, procede de Bohemia y se considera un descendiente directo de A. bohemicus, aunque es m\u00e1s peque\u00f1o y presenta quel\u00edceros ligeramente diferentes.<\/p>\n<p>Incluso f\u00f3siles enigm\u00e1ticos como Bunodella horrida, conocidos por una \u00fanica coxa mal conservada, han sido reinterpretados como pertenecientes a este g\u00e9nero, aunque la falta de material adicional impide una sinonimia formal.<\/p>\n<p>El grupo aparece en numerosos yacimientos marinos del Sil\u00farico y Dev\u00f3nico. En Bohemia, A. bohemicus se encuentra junto a trilobites como Prionopeltis y Schariya, as\u00ed como con cefal\u00f3podos ortoc\u00f3nicos. En Canad\u00e1, el g\u00e9nero aparece junto a peces sin mand\u00edbula como Ctenopleuron, Thelodus y Cyathaspis. En la Rep\u00fablica Checa, se encuentra asociado con conodontos de g\u00e9neros como Ozarkodina, Wurmiella y Oulodus. Estos entornos eran marinos, relativamente poco profundos y con condiciones variables de oxigenaci\u00f3n.<\/p>\n<p>El l\u00edmite Sil\u00farico\u2013Dev\u00f3nico no afect\u00f3 significativamente al g\u00e9nero. En Bohemia, A. bohemicus dio lugar a A. perneri, lo que indica continuidad evolutiva. En algunas regiones, este euript\u00e9rido es el m\u00e1s abundante, mientras que en otras es extremadamente raro.<\/p>\n<p>La morfolog\u00eda de los ojos y de las garras del Acutiramus revela que este depredador ocupaba un nicho ecol\u00f3gico distinto al de otros pterig\u00f3tidos gigantes. Su visi\u00f3n d\u00e9bil y sus quelas cortantes sugieren que era un cazador menos activo, probablemente especializado en emboscadas o carro\u00f1eo, aliment\u00e1ndose de presas de cuerpo blando en condiciones de baja iluminaci\u00f3n. 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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|desktop\u00bb header_line_height_tablet=\u00bb\u00bb header_line_height_phone=\u00bb1.2em\u00bb header_line_height_last_edited=\u00bbon|desktop\u00bb body_font_size_tablet=\u00bb16px\u00bb body_font_size_phone=\u00bb14px\u00bb body_font_size_last_edited=\u00bbon|tablet\u00bb body_line_height_tablet=\u00bb1.7em\u00bb body_line_height_phone=\u00bb1.6em\u00bb body_line_height_last_edited=\u00bbon|tablet\u00bb header_text_shadow_style=\u00bbpreset1&#8243; global_colors_info=\u00bb{}\u00bb]Durante el per\u00edodo del Sil\u00farico, Gondwana continu\u00f3 con su lenta deriva hacia el sur, aunque los casquetes polares sil\u00faricos fueron menos importantes que los de la glaciaci\u00f3n de finales del Ordov\u00edcico.[\/et_pb_blurb][et_pb_button button_url=\u00bbhttps:\/\/clientes.munecarusa.com\/mp\/periodo-silurico\/\u00bb 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