{"id":18441,"date":"2015-02-22T08:14:01","date_gmt":"2015-02-22T07:14:01","guid":{"rendered":"https:\/\/opistobranquis.info\/?page_id=18441"},"modified":"2018-02-22T15:54:23","modified_gmt":"2018-02-22T14:54:23","slug":"retusa-umbilicata","status":"publish","type":"page","link":"https:\/\/opistobranquis.info\/en\/guia\/cephalaspidea\/bulloidea\/retusa-umbilicata\/","title":{"rendered":"Retusa umbilicata"},"content":{"rendered":"<p><\/p>\n<h3><em>Retusa\u00a0umbilicata<\/em>\u00a0(Montagu, 1803)<\/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\/2015\/02\/th_Retusa-umbilicata-%40-Artsdatabanken-Cephalaspids-of-Norway-by-Manuel-Malaquias.jpg?w=900&#038;ssl=1\" alt=\"Retusa umbilicata @ Artsdatabanken - Cephalaspids of Norway - by Manuel Malaquias\" \/><\/div><center><em>Retusa umbilicata @ Artsdatabanken - Cephalaspids of Norway<\/em> by Manuel Malaquias<\/center><\/span><p><\/p><div class=\"opk-worms\"><h3>WoRMS Taxonomic Information<\/h3><div class=\"opk-success\">Current accepted name: <strong><em>Retusa umbilicata<\/em> (Montagu, 1803)<\/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=1057250\">Tectipleura<\/a><\/td><\/tr><tr><th>Order<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=154\">Cephalaspidea<\/a><\/td><\/tr><tr><th>Superfamily<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=411887\">Bulloidea<\/a><\/td><\/tr><tr><th>Family<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=156\">Retusidae<\/a><\/td><\/tr><tr><th>Genus<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=138432\"><em>Retusa<\/em><\/a><\/td><\/tr><tr><th>Species<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=156376\"><em>Retusa umbilicata<\/em> (Montagu, 1803)<\/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=156376\">156376<\/a>]<\/p><\/div><strong>Synonyms<\/strong><\/p>\n<ul>\n<li><span id=\"aphia_ct_tu_747884\"><i>Bulla blainvilliana<\/i> R\u00e9cluz, 1843<\/span><\/li>\n<li><span id=\"aphia_ct_tu_153498\"><strong><i>Bulla umbilicata<\/i> Montagu, 1803 (original)<\/strong><\/span><\/li>\n<li><span id=\"aphia_ct_tu_748309\"><i>Cylichna strigella<\/i> Lov\u00e9n, 1846<\/span><\/li>\n<li><span id=\"aphia_ct_tu_141123\"><i>Cylichnina umbilicata<\/i> (Montagu, 1803)<\/span><\/li>\n<li><span id=\"aphia_ct_tu_153523\"><i>Retusa strigella<\/i> (Lov\u00e9n, 1846)<\/span><\/li>\n<li><span id=\"aphia_ct_tu_153525\"><i>Retusa subcylindrica<\/i> (Brown, 1827)<\/span><\/li>\n<li><span id=\"aphia_ct_tu_751010\"><i>Volvaria subcylindrica<\/i> Brown, 1827 <\/span><\/li>\n<\/ul>\n<p><strong>Description<\/strong><\/p>\n<p><strong>Biology<\/strong><\/p>\n<p><strong>Etymology<\/strong><\/p>\n<ul>\n<li><em>Retusa<\/em>. From Latin &#8220;retusus&#8221;, rhomboid, obtuse.<\/li>\n<li><em>Umbilicata<\/em>. From Latin &#8220;umbilicus&#8221;, center of country\/region, navel, middle, center, ornamented end of a scroll (parchment roll, old book).<\/li>\n<\/ul>\n<p><strong>Distribution<\/strong><br \/>\n<div id=\"flxmap-6a9cab5d4bfc3\" class='flxmap-container' data-flxmap='flxmap_6a9cab5d4bfc3' 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-6a9cab5d4bfc3\", \"https:\/\/opistobranquis.info\/wp-content\/uploads\/kms\/18441.kmz\");\n window.flxmap_6a9cab5d4bfc3 = 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>Retusa umbilicata<\/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\\\/cephalaspidea\\\/bulloidea\\\/retusa-umbilicata\\\/&quot;,&quot;likes_blog_id&quot;:44192421}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 900px; height: 402px;\" data-original-width=\"900\" data-original-height=\"402\" > <div class=\"gallery-group images-1\" style=\"width: 620px; height: 402px;\" data-original-width=\"620\" data-original-height=\"402\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/cephalaspidea\/bulloidea\/retusa-umbilicata\/cylichnina-umbilicata-1-malta-by-constantino-mifsud\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"616\"> <meta itemprop=\"height\" content=\"398\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"18447\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/Cylichnina-umbilicata-1-@-Malta-by-Constantino-Mifsud.jpg\" data-orig-size=\"800,516\" data-comments-opened=\"\" data-image-title=\"Retusa umbilicata @ Malta by Constantino Mifsud\" data-image-description=\"&lt;p&gt;Retusa umbilicata @ Malta by Constantino Mifsud&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/Cylichnina-umbilicata-1-%40-Malta-by-Constantino-Mifsud.jpg?fit=300%2C194&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/Cylichnina-umbilicata-1-%40-Malta-by-Constantino-Mifsud.jpg?fit=800%2C516&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/Cylichnina-umbilicata-1-%40-Malta-by-Constantino-Mifsud.jpg?w=616&#038;h=398&#038;ssl=1\" width=\"616\" height=\"398\" loading=\"lazy\" data-original-width=\"616\" data-original-height=\"398\" itemprop=\"http:\/\/schema.org\/image\" title=\"Retusa umbilicata @ Malta by Constantino Mifsud\" alt=\"Retusa umbilicata @ Malta by Constantino Mifsud\" style=\"width: 616px; height: 398px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Retusa umbilicata @ Malta <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-2\" style=\"width: 280px; height: 402px;\" data-original-width=\"280\" data-original-height=\"402\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/en\/guia\/cephalaspidea\/bulloidea\/retusa-umbilicata\/th_retusa-umbilicata-artsdatabanken-cephalaspids-of-norway-by-manuel-malaquias-2\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"276\"> <meta itemprop=\"height\" content=\"220\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"19094\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/th_Retusa-umbilicata-@-Artsdatabanken-Cephalaspids-of-Norway-by-Manuel-Malaquias-2.jpg\" data-orig-size=\"1024,818\" data-comments-opened=\"\" data-image-title=\"Retusa umbilicata @ Artsdatabanken &amp;#8211; Cephalaspids of Norway &amp;#8211; by Manuel Malaquias (2)\" data-image-description=\"&lt;p&gt;Retusa umbilicata @ Artsdatabanken &amp;#8211; Cephalaspids of Norway &amp;#8211; by Manuel Malaquias&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/th_Retusa-umbilicata-%40-Artsdatabanken-Cephalaspids-of-Norway-by-Manuel-Malaquias-2.jpg?fit=300%2C240&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/th_Retusa-umbilicata-%40-Artsdatabanken-Cephalaspids-of-Norway-by-Manuel-Malaquias-2.jpg?fit=900%2C719&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/th_Retusa-umbilicata-%40-Artsdatabanken-Cephalaspids-of-Norway-by-Manuel-Malaquias-2.jpg?w=276&#038;h=220&#038;ssl=1\" width=\"276\" height=\"220\" loading=\"lazy\" data-original-width=\"276\" data-original-height=\"220\" itemprop=\"http:\/\/schema.org\/image\" title=\"Retusa umbilicata @ Artsdatabanken - Cephalaspids of Norway - by Manuel Malaquias (2)\" alt=\"Retusa umbilicata @ Artsdatabanken - Cephalaspids of Norway - by Manuel Malaquias\" style=\"width: 276px; height: 220px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Retusa umbilicata @ Artsdatabanken &#8211; Cephalaspids of Norway &#8211; by Manuel Malaquias <\/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\/cephalaspidea\/bulloidea\/retusa-umbilicata\/th_retusa-umbilicata-artsdatabanken-cephalaspids-of-norway-by-lena-tina-ohnheiser\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"276\"> <meta itemprop=\"height\" content=\"174\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"19831\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/th_Retusa-umbilicata-@-Artsdatabanken-Cephalaspids-of-Norway-by-Lena-Tina-Ohnheiser.jpg\" data-orig-size=\"1024,644\" data-comments-opened=\"\" data-image-title=\"Retusa umbilicata @ Artsdatabanken &amp;#8211; Cephalaspids of Norway &amp;#8211; by Lena Tina Ohnheiser\" data-image-description=\"&lt;p&gt;Retusa umbilicata @ Artsdatabanken &amp;#8211; Cephalaspids of Norway &amp;#8211; by Lena Tina Ohnheiser&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/th_Retusa-umbilicata-%40-Artsdatabanken-Cephalaspids-of-Norway-by-Lena-Tina-Ohnheiser.jpg?fit=300%2C189&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/th_Retusa-umbilicata-%40-Artsdatabanken-Cephalaspids-of-Norway-by-Lena-Tina-Ohnheiser.jpg?fit=900%2C566&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/02\/th_Retusa-umbilicata-%40-Artsdatabanken-Cephalaspids-of-Norway-by-Lena-Tina-Ohnheiser.jpg?w=276&#038;h=174&#038;ssl=1\" width=\"276\" height=\"174\" loading=\"lazy\" data-original-width=\"276\" data-original-height=\"174\" itemprop=\"http:\/\/schema.org\/image\" title=\"Retusa umbilicata @ Artsdatabanken - Cephalaspids of Norway - by Lena Tina Ohnheiser\" alt=\"Retusa umbilicata @ Artsdatabanken - Cephalaspids of Norway - by Lena Tina Ohnheiser\" style=\"width: 276px; height: 174px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Retusa umbilicata @ Artsdatabanken &#8211; Cephalaspids of Norway &#8211; by Lena Tina Ohnheiser <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <\/div><\/p>\n<p><p><strong>Bibliography<\/strong><\/p><ul><div id=\"zotpress-b3f1791c625532a32af3bfad74c4aef5\" 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\">Retusa umbilicata<\/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\">18441<\/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\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:\/\/artsdatabanken.no\/Pages\/150029#\">ArtsDataBanken - Universitetsmuseet i Bergen, Universitetet i Bergen<\/a><\/li><li><a href=\"http:\/\/www.biodiversitylibrary.org\/name\/Retusa%20umbilicata\">Biodiversity Heritage Library<\/a><\/li><li><a href=\"http:\/\/www.boldsystems.org\/index.php\/Taxbrowser_Taxonpage?taxid=599288\">BOLDSystems<\/a><\/li><li><a href=\"https:\/\/www.flickr.com\/search\/?text=Retusa%20umbilicata\">Flickr pictures<\/a><\/li><li><a href=\"http:\/\/www.irmng.org\/aphia.php?p=taxlist&#038;tName=Retusa%20umbilicata\">Interim Register of Marine and Nonmarine Genera<\/a><\/li><li><a href=\"http:\/\/www.ncbi.nlm.nih.gov\/Taxonomy\/Browser\/wwwtax.cgi?mode=Undef&#038;name=Retusa%20umbilicata&#038;lvl=0&#038;srchmode=1\">NCBI GenBank<\/a><\/li><li><a href=\"https:\/\/obis.org\/taxon\/156376\">OBIS - Search by Taxon<\/a><\/li><li><a href=\"http:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&#038;id=156376\">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>Ballesteros, M., Madrenas, E. &#38; Pontes, M.<\/b> (2025) <em>\"Retusa umbilicata\"<\/em> in <em>OPK-Opistobranquis<\/em>. Published: 22\/02\/2015. Accessed: 06\/09\/2026. Available at (<a href=https:\/\/opistobranquis.info\/en\/?p=18441>https:\/\/opistobranquis.info\/en\/?p=18441<\/a>)<\/p><p><\/p><\/div><p><\/p><\/p>","protected":false},"excerpt":{"rendered":"<p>Retusa\u00a0umbilicata\u00a0(Montagu, 1803) Synonyms Bulla blainvilliana R\u00e9cluz, 1843 Bulla umbilicata Montagu, 1803 (original) Cylichna strigella Lov\u00e9n, 1846 Cylichnina umbilicata (Montagu, 1803) Retusa strigella (Lov\u00e9n, 1846) Retusa subcylindrica (Brown, 1827) Volvaria subcylindrica Brown, 1827 Description Biology Etymology Retusa. From Latin &#8220;retusus&#8221;, rhomboid, obtuse. Umbilicata. From Latin &#8220;umbilicus&#8221;, center of country\/region, navel, middle, center, ornamented end of a scroll (parchment roll, old book). Distribution More pictures<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/opistobranquis.info\/en\/guia\/cephalaspidea\/bulloidea\/retusa-umbilicata\/\">Continue reading<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":291,"featured_media":19095,"parent":26135,"menu_order":2172,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-18441","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\/18441","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\/291"}],"replies":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/comments?post=18441"}],"version-history":[{"count":2,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/pages\/18441\/revisions"}],"predecessor-version":[{"id":25213,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/pages\/18441\/revisions\/25213"}],"up":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/pages\/26135"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/media\/19095"}],"wp:attachment":[{"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/media?parent=18441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}