{"id":25096,"date":"2018-02-11T11:46:41","date_gmt":"2018-02-11T10:46:41","guid":{"rendered":"https:\/\/opistobranquis.info\/?page_id=25096"},"modified":"2026-11-03T16:52:47","modified_gmt":"2026-11-03T15:52:47","slug":"pseudothecosomata","status":"publish","type":"page","link":"https:\/\/opistobranquis.info\/es\/guia\/pteropoda\/pseudothecosomata\/","title":{"rendered":"Pseudothecosomata"},"content":{"rendered":"<p>Los Pseudothecosomata son un grupo de moluscos gaster\u00f3podos heterobranquios marinos clasificados tradicionalmente entre los pter\u00f3podos, conocidos com\u00fanmente como mariposas de mar. Como otros pter\u00f3podos, est\u00e1n adaptados a la vida en la columna de agua y utilizan unas expansiones del pie en forma de alas, denominadas parapodios, para nadar. A diferencia de los Euthecosomata, que suelen presentar una concha externa bien desarrollada, los pseudotecosomados adultos generalmente tienen la concha externa reducida o carecen de ella. Su cuerpo delicado y sus estructuras especializadas para la nataci\u00f3n reflejan su adaptaci\u00f3n a la vida pel\u00e1gica, lejos del fondo marino.<\/p>\n<h6 style=\"text-align: center;\"><div id=\"featured-img-id\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/corolla-spectabilis.jpg?w=900&#038;ssl=1\" alt=\"Corolla spectabilis\" \/><\/div><em>Corolla spectabilis<\/em>, un\u00a0<em>Pseudothecosomata<\/em> t\u00edpico<\/h6>\n<p>&nbsp;<\/p>\n<p>Los Pseudothecosomata habitan en ambientes marinos de todo el mundo, especialmente en mar abierto, donde forman parte del zooplancton. Se encuentran en aguas tropicales, templadas y, en algunos casos, m\u00e1s fr\u00edas, y su distribuci\u00f3n est\u00e1 condicionada por factores como las corrientes oce\u00e1nicas, la temperatura, la disponibilidad de alimento y la profundidad. Muchas especies son relativamente peque\u00f1as y transparentes, lo que dificulta su observaci\u00f3n sin t\u00e9cnicas de muestreo especializadas. Algunas viven principalmente en aguas superficiales, mientras que otras se desplazan verticalmente por la columna de agua en respuesta a los cambios de luz, las oportunidades de alimentaci\u00f3n y las condiciones ambientales.<\/p>\n<p>Una de las caracter\u00edsticas m\u00e1s distintivas del grupo es la estructura del cuerpo y su forma de desplazarse por el agua. Los parapodios se han desarrollado en forma de l\u00f3bulos alares que baten r\u00edtmicamente y permiten al animal nadar. En muchas especies, el cuerpo es gelatinoso y transparente, y la concha est\u00e1 ausente o se encuentra reducida a una peque\u00f1a estructura interna. Algunos pseudotecosomados presentan un cuerpo voluminoso y gelatinoso, con un amplio aparato natatorio, lo que les confiere un aspecto muy diferente del de las m\u00e1s conocidas mariposas de mar con concha. Estas diferencias anat\u00f3micas son importantes para distinguir las distintas especies y comprender sus adaptaciones al medio pel\u00e1gico.<\/p>\n<p>Los pseudotecosomados presentan diversas estrategias alimentarias. Muchos son depredadores especializados que capturan otros organismos planct\u00f3nicos, incluidos peque\u00f1os crust\u00e1ceos y otros animales gelatinosos o de cuerpo blando. Algunas especies utilizan estructuras especializadas o mucosidad para facilitar la captura de sus presas, mientras que otras dependen de la nataci\u00f3n activa y del contacto directo. Su comportamiento alimentario los convierte en un componente importante de las redes tr\u00f3ficas pel\u00e1gicas, ya que conectan distintos grupos de zooplancton y sirven de alimento a depredadores marinos de mayor tama\u00f1o.<\/p>\n<p>Su cuerpo gelatinoso y su estilo de vida planct\u00f3nico tambi\u00e9n hacen de los pseudotecosomados organismos interesantes para los estudios de ecolog\u00eda oce\u00e1nica. Su distribuci\u00f3n y abundancia pueden variar seg\u00fan las masas de agua, los cambios estacionales y la disponibilidad de presas. Como integrantes del zooplancton, contribuyen a la transferencia de energ\u00eda a trav\u00e9s de las redes tr\u00f3ficas marinas y forman parte de las complejas relaciones ecol\u00f3gicas que sustentan los ecosistemas oce\u00e1nicos. Sin embargo, la informaci\u00f3n sobre su biolog\u00eda y la din\u00e1mica de sus poblaciones sigue siendo limitada para muchas especies, en parte porque son fr\u00e1giles y dif\u00edciles de recolectar y estudiar sin da\u00f1arlas.<\/p>\n<p>La taxonom\u00eda y las relaciones evolutivas de los Pseudothecosomata se han revisado mediante investigaciones anat\u00f3micas y moleculares. La clasificaci\u00f3n tradicional de los pter\u00f3podos en grandes grupos ha experimentado cambios a medida que los estudios filogen\u00e9ticos han aclarado sus relaciones dentro de Heterobranchia. Por ello, los l\u00edmites y el estatus de Pseudothecosomata dependen de la clasificaci\u00f3n utilizada, y el grupo debe entenderse en el contexto de la sistem\u00e1tica, todav\u00eda en evoluci\u00f3n, de los gaster\u00f3podos pel\u00e1gicos. A pesar de su aspecto discreto, estos animales representan una parte singular de la biodiversidad marina y ofrecen informaci\u00f3n valiosa sobre la evoluci\u00f3n de la nataci\u00f3n, la alimentaci\u00f3n y la supervivencia en mar abierto.<\/p>\n<p>La clasificaci\u00f3n actual de los Pseudothecosomata, seg\u00fan WoRMS es:<\/p>\n    <style>\n        .opk-taxonomy-loader {\n            display: flex;\n            gap: 4px;\n            align-items: center;\n            justify-content: center;\n            height: 24px;\n            margin-bottom: 1em;\n        }\n        .opk-taxonomy-loader span {\n            display: block;\n            width: 4px;\n            height: 16px;\n            background: currentColor;\n            animation: opkTaxonomyBarPulse 1.2s infinite ease-in-out;\n        }\n        .opk-taxonomy-loader span:nth-child(1) { animation-delay: 0s; }\n        .opk-taxonomy-loader span:nth-child(2) { animation-delay: 0.2s; }\n        .opk-taxonomy-loader 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fetch(\"https:\\\/\\\/opistobranquis.info\\\/wp-admin\\\/admin-ajax.php?action=opk_load_taxonomy_tree&slug&taxon&max_rank=Genus&lang=es\", { credentials: 'same-origin' })\n            .then(function (response) {\n                if (!response.ok) throw new Error('HTTP ' + response.status);\n                return response.text();\n            })\n            .then(function (html) {\n                container.innerHTML = html;\n            })\n            .catch(function () {\n                container.textContent = '\u26a0\ufe0f';\n            });\n    })();\n    <\/script>\n    \n<p>&nbsp;<\/p>\n<p>Algunas especies de Pseudothecosomata citadas en el Mediterr\u00e1neo o en la Pen\u00ednsula Ib\u00e9rica:<\/p>\n\n    <div\n        class=\"autonav-grid autonav-columns-3\"\n    >\n\n        \n            \n            <article class=\"autonav-card\">\n\n                <a href=\"https:\/\/opistobranquis.info\/es\/guia\/pteropoda\/pseudothecosomata\/corolla-spectabilis\/\">\n\n                    \n                        <div class=\"autonav-image\">\n\n                            <img decoding=\"async\" width=\"650\" height=\"394\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/corolla-spectabilis.jpg?fit=650%2C394&amp;ssl=1\" class=\"autonav-thumb\" alt=\"Corolla spectabilis\" loading=\"lazy\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/corolla-spectabilis.jpg?w=650&amp;ssl=1 650w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/corolla-spectabilis.jpg?resize=300%2C181&amp;ssl=1 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" data-attachment-id=\"4241\" data-permalink=\"https:\/\/opistobranquis.info\/es\/guia\/pteropoda\/pseudothecosomata\/corolla-spectabilis\/corolla-spectabilis-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/corolla-spectabilis.jpg?fit=650%2C394&amp;ssl=1\" data-orig-size=\"650,394\" data-comments-opened=\"0\" data-image-title=\"Corolla spectabilis\" data-image-description=\"&lt;p&gt;Corolla spectabilis&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Corolla spectabilis&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/corolla-spectabilis.jpg?fit=650%2C394&amp;ssl=1\" \/>\n                        <\/div>\n\n                    \n                    <div class=\"autonav-content\">\n\n                        <h3>\n                            Corolla spectabilis                        <\/h3>\n\n                    <\/div>\n\n                <\/a>\n\n            <\/article>\n\n        \n            \n            <article class=\"autonav-card\">\n\n                <a href=\"https:\/\/opistobranquis.info\/es\/guia\/pteropoda\/pseudothecosomata\/cymbulia-peronii\/\">\n\n                    \n                        <div class=\"autonav-image\">\n\n                            <img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/th_Cymbulia-peronii-G1b.jpg?fit=800%2C534&amp;ssl=1\" class=\"autonav-thumb\" alt=\"Cymbulia peronii by Gilles Cavignaux\" loading=\"lazy\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/th_Cymbulia-peronii-G1b.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/th_Cymbulia-peronii-G1b.jpg?resize=150%2C100&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/th_Cymbulia-peronii-G1b.jpg?resize=300%2C200&amp;ssl=1 300w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" data-attachment-id=\"13912\" data-permalink=\"https:\/\/opistobranquis.info\/es\/guia\/pteropoda\/pseudothecosomata\/cymbulia-peronii\/th_cymbulia-peronii-g1b\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/th_Cymbulia-peronii-G1b.jpg?fit=800%2C534&amp;ssl=1\" data-orig-size=\"800,534\" data-comments-opened=\"0\" data-image-title=\"Cymbulia peronii by Gilles Cavignaux\" data-image-description=\"&lt;p&gt;Cymbulia peronii by Gilles Cavignaux&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Cymbulia peronii by Gilles Cavignaux&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/th_Cymbulia-peronii-G1b.jpg?fit=800%2C534&amp;ssl=1\" \/>\n                        <\/div>\n\n                    \n                    <div class=\"autonav-content\">\n\n                        <h3>\n                            Cymbulia peronii                        <\/h3>\n\n                    <\/div>\n\n                <\/a>\n\n            <\/article>\n\n        \n            \n            <article class=\"autonav-card\">\n\n                <a href=\"https:\/\/opistobranquis.info\/es\/guia\/pteropoda\/pseudothecosomata\/peracle-reticulata\/\">\n\n                    \n                        <div class=\"autonav-image\">\n\n                            <img decoding=\"async\" width=\"800\" height=\"512\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2018\/02\/Peracle-reticulata-by-Russell-Hopcroft.jpg?fit=800%2C512&amp;ssl=1\" class=\"autonav-thumb\" alt=\"Peracle reticulata by Russell Hopcroft\" loading=\"lazy\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2018\/02\/Peracle-reticulata-by-Russell-Hopcroft.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2018\/02\/Peracle-reticulata-by-Russell-Hopcroft.jpg?resize=150%2C96&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2018\/02\/Peracle-reticulata-by-Russell-Hopcroft.jpg?resize=300%2C192&amp;ssl=1 300w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" data-attachment-id=\"25112\" data-permalink=\"https:\/\/opistobranquis.info\/es\/guia\/pteropoda\/pseudothecosomata\/peracle-reticulata\/peracle-reticulata-by-russell-hopcroft\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2018\/02\/Peracle-reticulata-by-Russell-Hopcroft.jpg?fit=800%2C512&amp;ssl=1\" data-orig-size=\"800,512\" data-comments-opened=\"0\" data-image-title=\"Peracle reticulata by Russell Hopcroft\" data-image-description=\"&lt;p&gt;Peracle reticulata by Russell Hopcroft&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Peracle reticulata by Russell Hopcroft&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2018\/02\/Peracle-reticulata-by-Russell-Hopcroft.jpg?fit=800%2C512&amp;ssl=1\" \/>\n                        <\/div>\n\n                    \n                    <div class=\"autonav-content\">\n\n                        <h3>\n                            Peracle reticulata                        <\/h3>\n\n                    <\/div>\n\n                <\/a>\n\n            <\/article>\n\n        \n    <\/div>\n\n    \n<p><strong>Bibliograf\u00eda<\/strong><\/p><ul><div id=\"zotpress-aa6af9b3288a252b600c53f560009aa3\" class=\"zp-Zotpress zp-Zotpress-Bib wp-block-group\">\n\n\t\t<span class=\"ZP_API_USER_ID ZP_ATTR\">1246567<\/span>\n\t\t<span class=\"ZP_ITEM_KEY ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_COLLECTION_ID ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_TAG_ID ZP_ATTR\">Pseudothecosomata<\/span>\n\t\t<span class=\"ZP_AUTHOR ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_YEAR ZP_ATTR\"><\/span>\n        <span class=\"ZP_ITEMTYPE ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_INCLUSIVE ZP_ATTR\">1<\/span>\n\t\t<span class=\"ZP_STYLE ZP_ATTR\">eunomia-revista-en-cultura-de-la-legalidad<\/span>\n\t\t<span class=\"ZP_LIMIT ZP_ATTR\">50<\/span>\n\t\t<span class=\"ZP_SORTBY ZP_ATTR\">creator<\/span>\n\t\t<span class=\"ZP_ORDER ZP_ATTR\">asc<\/span>\n\t\t<span class=\"ZP_TITLE ZP_ATTR\"><\/span>\n\t\t<span 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id=\"zp-ID-25096-1246567-6KQRBXMG\" data-zp-author-date='Bouchet-and-Rocroi-2005' data-zp-date-author='2005-Bouchet-and-Rocroi' data-zp-date='2005' data-zp-year='2005' data-zp-itemtype='journalArticle' class=\"zp-Entry zpSearchResultsItem\">\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; padding-left: 1em; text-indent:-1em;\">\n  <div class=\"csl-entry\">Bouchet, P., Rocroi, J. P. (2005). Classification and nomenclator of gastropod families. <i>Malacologia<\/i>, <i>47<\/i>(1-2), 1-397.<\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-25096-1246567-WR37PFVC\" data-zp-author-date='Bouchet-et-al.-2017' data-zp-date-author='2017-Bouchet-et-al.' data-zp-date='2017' data-zp-year='2017' data-zp-itemtype='journalArticle' class=\"zp-Entry zpSearchResultsItem\">\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; padding-left: 1em; text-indent:-1em;\">\n  <div class=\"csl-entry\">Bouchet, P., Rocroi, J. P., Hausdorf, B., Kaim, A., Kano, Y., N\u00fctzel, A., Parkhaev, P. et\u00a0al. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. <i>Malacologia<\/i>, <i>61<\/i>(1-2), 1-526.<\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\n\t\t\t<\/div><!-- .zp-zp-SEO-Content -->\n\t\t<\/div><!-- .zp-List -->\n\t<\/div><!--.zp-Zotpress-->\n\n<p><\/p>Bibliograf\u00eda basada en los trabajos de <b>Steve Long, 2006<\/b>. <a target=_blank href=https:\/\/opistobranquis.info\/wp-content\/uploads\/2016\/06\/Long-S.-2006-Bibliography-of-Opisthobranchia-1554-2000.pdf>Bibliography of Opisthobranchia 1554-2000<\/a> y <b>Gary McDonald, 2009<\/b>. <a href=http:\/\/escholarship.org\/uc\/item\/8115h0wz>Bibliographia Nudibranchia<\/a>, con actualizaciones posteriores procedentes de otras fuentes.<p><\/p><\/ul><p><\/p><\/p>","protected":false},"excerpt":{"rendered":"<p>Los Pseudothecosomata son un grupo de moluscos gaster\u00f3podos heterobranquios marinos clasificados tradicionalmente entre los pter\u00f3podos, conocidos com\u00fanmente como mariposas de mar. Como otros pter\u00f3podos, est\u00e1n adaptados a la vida en la columna de agua y utilizan unas expansiones del pie en forma de alas, denominadas parapodios, para nadar. A diferencia de los Euthecosomata, que suelen presentar una concha externa bien desarrollada, los pseudotecosomados adultos generalmente tienen la concha externa reducida\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/opistobranquis.info\/es\/guia\/pteropoda\/pseudothecosomata\/\">Sigue leyendo<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":5,"featured_media":4241,"parent":25094,"menu_order":1033,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"footnotes":""},"class_list":["post-25096","page","type-page","status-publish","has-post-thumbnail","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages\/25096","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/comments?post=25096"}],"version-history":[{"count":8,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages\/25096\/revisions"}],"predecessor-version":[{"id":49029,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages\/25096\/revisions\/49029"}],"up":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages\/25094"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/media\/4241"}],"wp:attachment":[{"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/media?parent=25096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}