{"id":37639,"date":"2023-02-09T01:03:52","date_gmt":"2023-02-09T00:03:52","guid":{"rendered":"https:\/\/opistobranquis.info\/?page_id=37639"},"modified":"2023-02-09T01:03:52","modified_gmt":"2023-02-09T00:03:52","slug":"polycera-norvegica","status":"publish","type":"page","link":"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/","title":{"rendered":"Polycera norvegica"},"content":{"rendered":"<p><\/p>\n<h3><em>Polycera norvegica<\/em> S\u00f8rensen, Rauch, Pola &amp; Malaquias, 2020<\/h3>\n<p><span style=\"font-size:10pt;\" class=\"aligncenter\"><div id=\"featured-img-id\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ouessant-France-by-Francois-Roche.jpg?w=900&#038;ssl=1\" alt=\"Polycera norvegica @ Ouessant, France (CC BY) iNaturalist by Fran\u00e7ois Roche\" \/><\/div><center><em>Polycera norvegica @ Ouessant, France (CC BY) iNaturalist<\/em> by Fran\u00e7ois Roche<\/center><\/span><p><\/p><div class=\"opk-worms\"><h3>WoRMS Taxonomic Information<\/h3><div class=\"opk-success\">Current accepted name: <strong><em>Polycera norvegica<\/em> S\u00f8rensen, Rauch, Pola &amp; Malaquias, 2020<\/strong><\/div><h4>Current classification<\/h4><table class=\"widefat striped\"><tr><th>Superdomain<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1\">Biota<\/a><\/td><\/tr><tr><th>Kingdom<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=2\">Animalia<\/a><\/td><\/tr><tr><th>Phylum<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=51\">Mollusca<\/a><\/td><\/tr><tr><th>Class<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=101\">Gastropoda<\/a><\/td><\/tr><tr><th>Subclass<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=14712\">Heterobranchia<\/a><\/td><\/tr><tr><th>Infraclass<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1057247\">Euthyneura<\/a><\/td><\/tr><tr><th>Subterclass<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1057249\">Ringipleura<\/a><\/td><\/tr><tr><th>Superorder<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=411966\">Nudipleura<\/a><\/td><\/tr><tr><th>Order<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1829294\">Doridida<\/a><\/td><\/tr><tr><th>Infraorder<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=246038\">Doridoidei<\/a><\/td><\/tr><tr><th>Superfamily<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=412569\">Polyceroidea<\/a><\/td><\/tr><tr><th>Family<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=177\">Polyceridae<\/a><\/td><\/tr><tr><th>Subfamily<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=412574\">Polycerinae<\/a><\/td><\/tr><tr><th>Genus<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=138369\"><em>Polycera<\/em><\/a><\/td><\/tr><tr><th>Species<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1451585\"><em>Polycera norvegica<\/em> S\u00f8rensen, Rauch, Pola &amp; Malaquias, 2020<\/a><\/td><\/tr><\/table><p class=\"footer\">Classification provided by the World Register of Marine Species (WoRMS). [<a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1451585\">1451585<\/a>]<\/p><\/div><strong>Taxonomical note: <\/strong>Until 2020, morphotype of\u00a0<em>Polycera norvegica<\/em>\u00a0S\u00f8rensen, Rauch, Pola &amp; Malaquias, 2020 was included within most published descriptions of\u00a0<em>P. quadrilineata<\/em>. Korshunova et al (2021) published their work on\u00a0<em>Polycera quadrilineata<\/em>\u00a0complex, where four species from the European Atlantic shores were recognized, including a new species for science,\u00a0<em>Polycera kernowensis<\/em>, based on a multidisciplinary (molecular, morphological, phylogenetic, phylogeographical and ecological) approach to species determination. In this work, the authors have treated the nudibranch species\u00a0<em>Polycera norvegica\u00a0<\/em>as a junior synonym of\u00a0<em>Polycera capitata<\/em>\u00a0(original designation:\u00a0<em>Thecacera capitata<\/em>), but Malaquias et al. (2022) show that, in accordance with the ICZN, <em>Thecacera capitata<\/em>\u00a0(and in consequence also\u00a0<em>Polycera capitata<\/em>) should be considered a\u00a0<em>nomen dubium<\/em>, so they reinstate\u00a0<em>Polycera norvegica<\/em> as the valid name for that species, as per S\u00f8rensen et al. (2020).<\/p>\n<p><strong>Synonyms<\/strong><\/p>\n<ul>\n<li><em>Polycera capitata<\/em> (Alder &amp; Hancock, 1854) &gt; <em>nomen dubium<\/em><\/li>\n<li><em>Thecacera capitata<\/em> Alder &amp; Hancock, 1854<\/li>\n<\/ul>\n<p><strong>Description<br \/>\n<\/strong>Body elongated, up to 14 mm long, limaciform, with a distinct marginal ridge. Body is highest and widest in the middle part, close to anus, gills and papillae, and ends in tappered tail. Body surface smooth, covered with scattered flattened tubercles, which are variable in number and size. In specimens with dotted morphotype these tubercles tend to be colored in light yellow. There is an frontal veil on the anterior part of the body, with 4-7 digitiform, yellow or orange coloured processes with whitish tips that point forward. Specimens with dotted morphotype often with only yellow spots scattered on a whitish translucent body background. Rhinophores are not retractile and have 6-10 lamellae, with stems slightly leaning forward and a cylindrical mucron in the distal end. Eyespots are on the notum, right behind the rhinophores, almost indistinguishable in some specimens. Gill is formed by 7\u201311 pinnate leaves that could be of different sizes. They are partially retractile into a pocket in the notum. There is an elongate and narrow papillae on each side of the gills, pointing backwards or laterally, that are shorter and stubby with rounded apical tip on individuals with dotted morphotype, and slender with sharper apical tips on individuals with yellow \/ orange morphotype.<\/p>\n<p>There are two main colour morphs present:<\/p>\n<ol>\n<li>Dotted colour morph (Figure A) \u2013 base colour translucent white with black, dark brownish or grey dots scattered over entire surface. Brown\/orange patches present on head region or sometimes randomly along body surface. Rhinophores translucent white; lamellae sometimes with a weak hint of light yellow pigmentation; stem sometimes dark brown or grey (Figure B). Frontal veil processes translucent white, with few scattered yellow patches randomly distributed. Posterior papillae white with yellow tips; sometimes white basal part dotted with yellow or black patches. Gills whitish with yellow, orange, or black spots along rachis and tips.\n<p><div id=\"attachment_37654\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-37654\" data-attachment-id=\"37654\" data-permalink=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/morphotypes-of-polycera-norvegica-by-sorensen-et-al-2020\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?fit=1200%2C1008&amp;ssl=1\" data-orig-size=\"1200,1008\" data-comments-opened=\"0\" data-image-title=\"Colour forms of Polycera norvegica by C.G.S\u00f8rensen\" data-image-description=\"&lt;p&gt;Colour forms of Polycera norvegica by C.G.S\u00f8rensen&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Colour forms of Polycera norvegica by C.G.S\u00f8rensen&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?fit=900%2C756&amp;ssl=1\" class=\"wp-image-37654 size-large\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?resize=900%2C756&#038;ssl=1\" alt=\"Colour forms of Polycera norvegica by C.G.S\u00f8rensen\" width=\"900\" height=\"756\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?resize=1024%2C860&amp;ssl=1 1024w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?resize=300%2C252&amp;ssl=1 300w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?resize=150%2C126&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><p id=\"caption-attachment-37654\" class=\"wp-caption-text\">Colour forms of <em>Polycera norvegica<\/em> by C.G.S\u00f8rensen<\/p><\/div><\/li>\n<li>Yellow\/orange colour morph (C), but in the studied specimens the rhinophore stems were always whitish lacking black pigmentation. Faint greyish tiny spots may be present on head region and gills.<\/li>\n<\/ol>\n<p><strong>Biology<br \/>\n<\/strong>Sublittoral species occurring between 2\u201315m depth, often on kelp (<em>Laminaria<\/em> spp.).<\/p>\n<p><strong>Etymology<\/strong><\/p>\n<ul>\n<li><em>Polycera<\/em>. From Greek \u201cpolys\u201d, many + \u201ckeras\u201d, horns.<\/li>\n<li><em>Norvegica<\/em>. From Latin &#8220;norvegicus&#8221;, of or pertaining to Norway.<\/li>\n<\/ul>\n<p><strong>Distribution<\/strong><br \/>\nEuropean Atlantic shores from Norway to Spain and Portugal, common around the British Isles and Ireland.<div id=\"flxmap-6a6766276c71f\" class='flxmap-container' data-flxmap='flxmap_6a6766276c71f' style=\"width:100%;height:400px;\"><\/div>\n<script data-noptimize=\"1\">\n\/* <![CDATA[ *\/\n(function(w, fn) {\n if (w.addEventListener) w.addEventListener(\"DOMContentLoaded\", fn, false);\n else if (w.attachEvent) w.attachEvent(\"onload\", fn);\n})(window, function() {\n var f = new FlexibleMap();\n f.panControl = true;\n f.mapTypeId = \"satellite\";\n f.setlocale(\"en-US\");\n f.kmlcache = \"5 minutes\";\n f.showKML(\"flxmap-6a6766276c71f\", \"https:\/\/opistobranquis.info\/wp-content\/uploads\/kms\/37639.kmz\");\n window.flxmap_6a6766276c71f = f;\n});\n\/* ]]> *\/\n<\/script>\n<div style=\"width:100%;text-align:center;margin:12px 0 4px 0;\">\n  <div style=\"font-size:8pt;margin-bottom:6px;\">Known georeferenced records of the species: <em>Polycera norvegica<\/em><\/div>\n  <table style=\"margin:0 auto;border-collapse:collapse;font-size:8pt;\">\n    <tr><td colspan=\"2\" style=\"text-align:left;padding-bottom:4px;\"><strong>Sources:<\/strong><\/td><\/tr>\n    <tr>\n      <td style=\"vertical-align:top;padding-right:40px;\">\n        <table style=\"border-collapse:collapse;\">\n<tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/wht-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>OBIS<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/ylw-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>GROC 2010-2011<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/grn-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Enric Madrenas<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/orange-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Jo\u00e3o Pedro Silva<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/pink-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Bernard Picton<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/blk-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>GBIF<\/td><\/tr>        <\/table>\n      <\/td>\n      <td style=\"vertical-align:top;\">\n        <table style=\"border-collapse:collapse;\">\n<tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/purple-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>OPK<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/red-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>VIMAR<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/blu-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Manuel Ballesteros<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/cyan-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>M@re Nostrum<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/grey-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Altres fonts<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/marreg.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Marine Regions<\/td><\/tr>        <\/table>\n      <\/td>\n    <\/tr>\n  <\/table>\n<\/div>\n<\/p>\n<p><strong>Error:<\/strong> Chart.js no est\u00e1 disponible.<\/p>\n<p><strong>More pictures<\/strong><br \/>\n<div class=\"tiled-gallery type-rectangular tiled-gallery-unresized\" data-original-width=\"900\" data-carousel-extra='{&quot;blog_id&quot;:1,&quot;permalink&quot;:&quot;https:\\\/\\\/opistobranquis.info\\\/en\\\/guia\\\/doridida\\\/doridoidei\\\/polyceroidea\\\/polycera-norvegica\\\/&quot;,&quot;likes_blog_id&quot;:44192421}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 900px; height: 796px;\" data-original-width=\"900\" data-original-height=\"796\" > <div class=\"gallery-group images-1\" style=\"width: 532px; height: 796px;\" data-original-width=\"532\" data-original-height=\"796\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/polycera-norvegica-baleal-portugal-by-joao-pedro-silva\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"528\"> <meta itemprop=\"height\" content=\"792\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"37642\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-@-Baleal-Portugal-by-Joao-Pedro-Silva.jpg\" data-orig-size=\"1365,2048\" data-comments-opened=\"\" data-image-title=\"Polycera norvegica @ Baleal, Portugal by Joao Pedro Silva (CC BY) iNaturalist\" data-image-description=\"&lt;p&gt;Polycera norvegica @ Baleal, Portugal by Joao Pedro Silva (CC BY) iNaturalist&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Baleal-Portugal-by-Joao-Pedro-Silva.jpg?fit=200%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Baleal-Portugal-by-Joao-Pedro-Silva.jpg?fit=683%2C1024&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Baleal-Portugal-by-Joao-Pedro-Silva.jpg?w=528&#038;h=792&#038;ssl=1\" width=\"528\" height=\"792\" loading=\"lazy\" data-original-width=\"528\" data-original-height=\"792\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera norvegica @ Baleal, Portugal by Joao Pedro Silva (CC BY) iNaturalist\" alt=\"Polycera norvegica @ Baleal, Portugal by Joao Pedro Silva (CC BY) iNaturalist\" style=\"width: 528px; height: 792px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera norvegica @ Baleal, Portugal by Joao Pedro Silva (CC BY) iNaturalist <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-3\" style=\"width: 368px; height: 796px;\" data-original-width=\"368\" data-original-height=\"796\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/polycera-norvegica-norway-by-heine-jensen\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"364\"> <meta itemprop=\"height\" content=\"242\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"37643\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-@-Norway-by-Heine-Jensen.jpg\" data-orig-size=\"1600,1067\" data-comments-opened=\"\" data-image-title=\"Polycera norvegica @ Norway by Heine Jensen (CC BY) iNaturalist\" data-image-description=\"&lt;p&gt;Polycera norvegica @ Norway by Heine Jensen (CC BY) iNaturalist&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Norway-by-Heine-Jensen.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Norway-by-Heine-Jensen.jpg?fit=900%2C600&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Norway-by-Heine-Jensen.jpg?w=364&#038;h=242&#038;ssl=1\" width=\"364\" height=\"242\" loading=\"lazy\" data-original-width=\"364\" data-original-height=\"242\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera norvegica @ Norway by Heine Jensen (CC BY) iNaturalist\" alt=\"Polycera norvegica @ Norway by Heine Jensen (CC BY) iNaturalist\" style=\"width: 364px; height: 242px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera norvegica @ Norway by Heine Jensen (CC BY) iNaturalist <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/polycera-norvegica-ouessant-france-by-pierre-corbrion\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"364\"> <meta itemprop=\"height\" content=\"273\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"37645\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-@-Ouessant-France-by-Pierre-Corbrion.jpg\" data-orig-size=\"2048,1536\" data-comments-opened=\"\" data-image-title=\"Polycera norvegica @ Ouessant, France by Pierre Corbrion (CC BY) iNaturalist\" data-image-description=\"&lt;p&gt;Polycera norvegica @ Ouessant, France by Pierre Corbrion (CC BY) iNaturalist&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ouessant-France-by-Pierre-Corbrion.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ouessant-France-by-Pierre-Corbrion.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ouessant-France-by-Pierre-Corbrion.jpg?w=364&#038;h=273&#038;ssl=1\" width=\"364\" height=\"273\" loading=\"lazy\" data-original-width=\"364\" data-original-height=\"273\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera norvegica @ Ouessant, France by Pierre Corbrion (CC BY) iNaturalist\" alt=\"Polycera norvegica @ Ouessant, France by Pierre Corbrion (CC BY) iNaturalist\" style=\"width: 364px; height: 273px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera norvegica @ Ouessant, France by Pierre Corbrion (CC BY) iNaturalist <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/polycera-norvegica-ouessant-france-by-sylvain-le-bris\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"364\"> <meta itemprop=\"height\" content=\"269\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"37646\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-@-Ouessant-France-by-Sylvain-Le-Bris.jpg\" data-orig-size=\"1811,1338\" data-comments-opened=\"\" data-image-title=\"Polycera norvegica @ Ouessant, France by Sylvain Le Bris (CC BY) iNaturalist\" data-image-description=\"&lt;p&gt;Polycera norvegica @ Ouessant, France by Sylvain Le Bris (CC BY) iNaturalist&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ouessant-France-by-Sylvain-Le-Bris.jpg?fit=300%2C222&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ouessant-France-by-Sylvain-Le-Bris.jpg?fit=900%2C665&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ouessant-France-by-Sylvain-Le-Bris.jpg?w=364&#038;h=269&#038;ssl=1\" width=\"364\" height=\"269\" loading=\"lazy\" data-original-width=\"364\" data-original-height=\"269\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera norvegica @ Ouessant, France by Sylvain Le Bris (CC BY) iNaturalist\" alt=\"Polycera norvegica @ Ouessant, France by Sylvain Le Bris (CC BY) iNaturalist\" style=\"width: 364px; height: 269px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera norvegica @ Ouessant, France by Sylvain Le Bris (CC BY) iNaturalist <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 436px;\" data-original-width=\"900\" data-original-height=\"436\" > <div class=\"gallery-group images-1\" style=\"width: 580px; height: 436px;\" data-original-width=\"580\" data-original-height=\"436\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/polycera-norvegica-ribeira-a-coruna-by-mergullo\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"576\"> <meta itemprop=\"height\" content=\"432\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"37647\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-@-Ribeira-A-Coruna-by-Mergullo.jpg\" data-orig-size=\"480,360\" data-comments-opened=\"\" data-image-title=\"Polycera norvegica @ Ribeira, A Coru\u00f1a by Mergullo (CC BY) iNaturalist\" data-image-description=\"&lt;p&gt;Polycera norvegica @ Ribeira, A Coru\u00f1a by Mergullo (CC BY) iNaturalist&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ribeira-A-Coruna-by-Mergullo.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ribeira-A-Coruna-by-Mergullo.jpg?fit=480%2C360&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-Ribeira-A-Coruna-by-Mergullo.jpg?w=576&#038;h=432&#038;ssl=1\" width=\"576\" height=\"432\" loading=\"lazy\" data-original-width=\"576\" data-original-height=\"432\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera norvegica @ Ribeira, A Coru\u00f1a by Mergullo (CC BY) iNaturalist\" alt=\"Polycera norvegica @ Ribeira, A Coru\u00f1a by Mergullo (CC BY) iNaturalist\" style=\"width: 576px; height: 432px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera norvegica @ Ribeira, A Coru\u00f1a by Mergullo (CC BY) iNaturalist <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-2\" style=\"width: 320px; height: 436px;\" data-original-width=\"320\" data-original-height=\"436\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/polycera-norvegica-st-abbs-scotland-by-jim-greenfield\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"316\"> <meta itemprop=\"height\" content=\"211\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"37648\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-@-St.-Abbs-Scotland-by-Jim-Greenfield.jpg\" data-orig-size=\"2000,1333\" data-comments-opened=\"\" data-image-title=\"Polycera norvegica @ St. Abbs, Scotland by Jim Greenfield (CC BY) iNaturalist\" data-image-description=\"&lt;p&gt;Polycera norvegica @ St. Abbs, Scotland by Jim Greenfield (CC BY) iNaturalist&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-St.-Abbs-Scotland-by-Jim-Greenfield.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-St.-Abbs-Scotland-by-Jim-Greenfield.jpg?fit=900%2C599&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-St.-Abbs-Scotland-by-Jim-Greenfield.jpg?w=316&#038;h=211&#038;ssl=1\" width=\"316\" height=\"211\" loading=\"lazy\" data-original-width=\"316\" data-original-height=\"211\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera norvegica @ St. Abbs, Scotland by Jim Greenfield (CC BY) iNaturalist\" alt=\"Polycera norvegica @ St. Abbs, Scotland by Jim Greenfield (CC BY) iNaturalist\" style=\"width: 316px; height: 211px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera norvegica @ St. Abbs, Scotland by Jim Greenfield (CC BY) iNaturalist <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/polycera-norvegica-uk-by-becky-hitchin\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"316\"> <meta itemprop=\"height\" content=\"217\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"37649\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-@-UK-by-Becky-Hitchin.jpg\" data-orig-size=\"2048,1406\" data-comments-opened=\"\" data-image-title=\"Polycera norvegica @ UK by Becky Hitchin (CC BY) iNaturalist\" data-image-description=\"&lt;p&gt;Polycera norvegica @ UK by Becky Hitchin (CC BY) iNaturalist&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-UK-by-Becky-Hitchin.jpg?fit=300%2C206&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-UK-by-Becky-Hitchin.jpg?fit=900%2C618&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/Polycera-norvegica-%40-UK-by-Becky-Hitchin.jpg?w=316&#038;h=217&#038;ssl=1\" width=\"316\" height=\"217\" loading=\"lazy\" data-original-width=\"316\" data-original-height=\"217\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera norvegica @ UK by Becky Hitchin (CC BY) iNaturalist\" alt=\"Polycera norvegica @ UK by Becky Hitchin (CC BY) iNaturalist\" style=\"width: 316px; height: 217px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera norvegica @ UK by Becky Hitchin (CC BY) iNaturalist <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 757px;\" data-original-width=\"900\" data-original-height=\"757\" > <div class=\"gallery-group images-1\" style=\"width: 900px; height: 757px;\" data-original-width=\"900\" data-original-height=\"757\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/morphotypes-of-polycera-norvegica-by-sorensen-et-al-2020\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"896\"> <meta itemprop=\"height\" content=\"753\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"37654\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg\" data-orig-size=\"1200,1008\" data-comments-opened=\"\" data-image-title=\"Colour forms of Polycera norvegica by C.G.S\u00f8rensen\" data-image-description=\"&lt;p&gt;Colour forms of Polycera norvegica by C.G.S\u00f8rensen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?fit=300%2C252&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?fit=900%2C756&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?w=896&#038;h=753&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?resize=300%2C252&amp;ssl=1 300w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?resize=1024%2C860&amp;ssl=1 1024w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/02\/morphotypes-of-Polycera-norvegica-by-Sorensen-et-al-2020.jpg?resize=150%2C126&amp;ssl=1 150w\" width=\"896\" height=\"753\" loading=\"lazy\" data-original-width=\"896\" data-original-height=\"753\" itemprop=\"http:\/\/schema.org\/image\" title=\"Colour forms of Polycera norvegica by C.G.S\u00f8rensen\" alt=\"Colour forms of Polycera norvegica by C.G.S\u00f8rensen\" style=\"width: 896px; height: 753px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Colour forms of Polycera norvegica by C.G.S\u00f8rensen <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <\/div><\/p>\n<p><p><strong>Bibliography<\/strong><\/p><ul><div id=\"zotpress-d74a21805f0e21e2dd730603a4f07db7\" 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\">Polycera norvegica<\/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 class=\"ZP_SHOWIMAGE ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_SHOWTAGS ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_DOWNLOADABLE ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_NOTES ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_ABSTRACT ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_CITEABLE ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_TARGET ZP_ATTR\">1<\/span>\n\t\t<span class=\"ZP_URLWRAP ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_FORCENUM ZP_ATTR\"><\/span>\n        <span class=\"ZP_HIGHLIGHT ZP_ATTR\"><\/span>\n        <span class=\"ZP_POSTID ZP_ATTR\">37639<\/span>\n\t\t<span class=\"ZOTPRESS_PLUGIN_URL ZP_ATTR\">https:\/\/opistobranquis.info\/wp-content\/plugins\/zotpress\/<\/span>\n\n\t\t<div class=\"zp-List loading\">\n\t\t\t<div class=\"zp-SEO-Content\">\n\t\t\t\t<span class=\"ZP_JSON 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id=\"zp-ID-37639-1246567-D4RXVARR\" data-zp-author-date='Alder-and-Hancock-1854' data-zp-date-author='1854-Alder-and-Hancock' data-zp-date='1854' data-zp-year='1854' data-zp-itemtype='book' 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\">Alder, J., Hancock, A. (1854). <i>A monograph of the British nudibranchiate Mollusca: with figures of all the species.<\/i> Ray Society, London.<\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-37639-1246567-UUWVJPJZ\" data-zp-author-date='Alder-and-Hancock-1854' data-zp-date-author='1854-Alder-and-Hancock' data-zp-date='1854' data-zp-year='1854' 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\">Alder, J., Hancock, A. (1854). Notice of some new species of British Nudibranchiata. <i>Annals and Magazine of Natural History<\/i>, <i>14<\/i>(79), 102-105.<\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-37639-1246567-MBBN2G3J\" data-zp-author-date='Korshunova-et-al.-2021' data-zp-date-author='2021-Korshunova-et-al.' data-zp-date='2021' data-zp-year='2021' 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\">Korshunova, T. A., Driessen, F. M. F., Picton, B. E., Martynov, A. V. (2021). The multilevel organismal diversity approach deciphers difficult to distinguish nudibranch species complex. <i>Scientific Reports<\/i>, <i>11<\/i>(1), 18323. <a class=&#039;zp-DOIURL&#039; target=&#039;_blank&#039; href=&#039;https:\/\/doi.org\/10.1038\/s41598-021-94863-5&#039;>https:\/\/doi.org\/10.1038\/s41598-021-94863-5<\/a><\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-37639-1246567-K9UNUZ2W\" data-zp-author-date='Malaquias-et-al.-2022' data-zp-date-author='2022-Malaquias-et-al.' data-zp-date='2022' data-zp-year='2022' 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\">Malaquias, M. A. E., S\u00f8rensen, C., Rauch, C., Pola, M. (2022). Polycera norvegica is a valid species, and a plea for good taxonomic practices \u2013 a reply to Korshunova et al., 2021. <i>Journal of the Marine Biological Association of the United Kingdom<\/i>, <i>101<\/i>(8), 1203-1205. <a class=&#039;zp-DOIURL&#039; target=&#039;_blank&#039; href=&#039;https:\/\/doi.org\/10.1017\/S0025315422000108&#039;>https:\/\/doi.org\/10.1017\/S0025315422000108<\/a><\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-37639-1246567-IVNGIICX\" data-zp-author-date='P\u00e9rez-Dieste-et-al.-2021' data-zp-date-author='2021-P\u00e9rez-Dieste-et-al.' data-zp-date='2021' data-zp-year='2021' data-zp-itemtype='book' 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\">P\u00e9rez-Dieste, J., Trigo, J. E., Alm\u00f3n, B. (2021). <i>Nudibranquios das Costas de Galicia. As cores do Atl\u00e1ntico<\/i> (1.<sup>a<\/sup> ed.). Conseller\u00eda de Mar. Xunta de Galicia.<\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-37639-1246567-BGBBR7WZ\" data-zp-author-date='Smith-2022' data-zp-date-author='2022-Smith' data-zp-date='2022' data-zp-year='2022' 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\">Smith, I. (2022). Polycera quadrilineata (O. F. M\u00fcller, 1776) Identification and Biology. <i>ResearchGate<\/i>. <a class=&#039;zp-DOIURL&#039; target=&#039;_blank&#039; href=&#039;https:\/\/doi.org\/10.13140\/RG.2.2.29936.94725&#039;>https:\/\/doi.org\/10.13140\/RG.2.2.29936.94725<\/a><\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-37639-1246567-2HR7E5XX\" data-zp-author-date='S\u00f8rensen-et-al.-2020' data-zp-date-author='2020-S\u00f8rensen-et-al.' data-zp-date='2020' data-zp-year='2020' 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\">S\u00f8rensen, C. G., Rauch, C., Pola, M., Malaqu\u00edas, M. A. E. (2020). Integrative taxonomy reveals a cryptic species of the nudibranch genus Polycera (Polyceridae) in European waters. <i>Journal of the Marine Biological Association of the United Kingdom<\/i>, <i>100<\/i>(5), 733-752. <a class=&#039;zp-DOIURL&#039; target=&#039;_blank&#039; href=&#039;https:\/\/doi.org\/10.1017\/S0025315420000612&#039;>https:\/\/doi.org\/10.1017\/S0025315420000612<\/a><\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-37639-1246567-Q3E3KMR2\" data-zp-author-date='Thompson-and-Brown-1984' data-zp-date-author='1984-Thompson-and-Brown' data-zp-date='1984' data-zp-year='1984' data-zp-itemtype='book' 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\">Thompson, T. E., Brown, G. H. (1984). <i>Biology of Opisthobranch Molluscs. Vol. 2<\/i>. Ray Society, London 156, pp. 229:<\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-37639-1246567-7EGYZ8LE\" data-zp-author-date='WoRMS-Editorial-Board-2026' data-zp-date-author='2026-WoRMS-Editorial-Board' data-zp-date='2026' data-zp-year='2026' data-zp-itemtype='webpage' 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\">WoRMS Editorial Board. (2026). World Register of Marine Species. <i>WoRMS<\/i>. Disponible en: <a class=&#039;zp-ItemURL&#039; target=&#039;_blank&#039; href=&#039;http:\/\/www.marinespecies.org&#039;>http:\/\/www.marinespecies.org<\/a><\/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>Bibliography based on the works by <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> and <b>Gary McDonald, 2009<\/b>. <a href=http:\/\/escholarship.org\/uc\/item\/8115h0wz>Bibliographia Nudibranchia<\/a>, with later updates from other resources.<p><\/p><\/ul><p><\/p><p><strong>Further reading<\/strong><\/p><span style=\"font-size:10pt\"><ul><ul class=\"blogroll-links\"><li><a href=\"https:\/\/www.aphotomarine.com\/sea_slug_polycera_norvegica.html\">A Photo Marine<\/a><\/li><li><a href=\"https:\/\/artsdatabanken.no\/Pages\/300864\/Polycera_norvegica\">ArtsDataBanken<\/a><\/li><li><a href=\"https:\/\/doris.ffessm.fr\/Especes\/Polycera-norvegica-Polycere-norvegienne-5301\">DORIS<\/a><\/li><li><a href=\"https:\/\/dykking.no\/dykkeklubber\/viken\/79-nyheter\/1788-ny-nakensnegle-polycera-norvegica\">Dykking<\/a><\/li><li><a href=\"https:\/\/www.inaturalist.org\/taxa\/1119204-Polycera-norvegica\">iNaturalist<\/a><\/li><li><a href=\"https:\/\/species.nbnatlas.org\/species\/NHMSYS0021316702\">NBN Atlas<\/a><\/li><li><a href=\"https:\/\/marinespecies.org\/aphia.php?p=taxdetails&#038;id=1451585\">World Register of Marine Species<\/a><\/li><\/ul><\/ul><\/span><p><strong>Cite this article as: <\/strong><\/p><div style=\"display: block; background: #444444; padding: 10px 30px 10px 10px; border-radius: 5px; line-height: 18px;\"><p class=\"citacio\"><b>Pontes, Miquel<\/b> (2025) <em>\"Polycera norvegica\"<\/em> in <em>OPK-Opistobranquis<\/em>. Published: 09\/02\/2023. Accessed: 27\/07\/2026. Available at (<a href=https:\/\/opistobranquis.info\/en\/?p=37639>https:\/\/opistobranquis.info\/en\/?p=37639<\/a>)<\/p><p><\/p><\/div><p><\/p><\/p>","protected":false},"excerpt":{"rendered":"<p>Polycera norvegica S\u00f8rensen, Rauch, Pola &amp; Malaquias, 2020 Taxonomical note: Until 2020, morphotype of\u00a0Polycera norvegica\u00a0S\u00f8rensen, Rauch, Pola &amp; Malaquias, 2020 was included within most published descriptions of\u00a0P. quadrilineata. Korshunova et al (2021) published their work on\u00a0Polycera quadrilineata\u00a0complex, where four species from the European Atlantic shores were recognized, including a new species for science,\u00a0Polycera kernowensis, based on a multidisciplinary (molecular, morphological, phylogenetic, phylogeographical and ecological) approach to species determination. In this\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/opistobranquis.info\/en\/guia\/doridida\/doridoidei\/polyceroidea\/polycera-norvegica\/\">Continue reading<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":5,"featured_media":37644,"parent":26113,"menu_order":6773,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-37639","page","type-page","status-publish","has-post-thumbnail","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/pages\/37639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/comments?post=37639"}],"version-history":[{"count":5,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/pages\/37639\/revisions"}],"predecessor-version":[{"id":37655,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/pages\/37639\/revisions\/37655"}],"up":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/pages\/26113"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/media\/37644"}],"wp:attachment":[{"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/media?parent=37639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}