{"id":8870,"date":"2026-01-12T12:02:00","date_gmt":"2026-01-12T11:02:00","guid":{"rendered":"https:\/\/muzeumewolucji.pl\/?p=8870"},"modified":"2026-01-12T12:03:03","modified_gmt":"2026-01-12T11:03:03","slug":"the-direct-ancestor-of-cowries","status":"publish","type":"post","link":"https:\/\/muzeumewolucji.pl\/?p=8870&lang=en","title":{"rendered":"The direct ancestor of cowries"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"8870\" class=\"elementor elementor-8870\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6561446d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6561446d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7246c35e\" data-id=\"7246c35e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6bfaac88 elementor-widget elementor-widget-heading\" data-id=\"6bfaac88\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The direct ancestor of cowries<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1e1e2a6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1e1e2a6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6fde782\" data-id=\"6fde782\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1497aa49 elementor-widget elementor-widget-text-editor\" data-id=\"1497aa49\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>A <a href=\"https:\/\/en.wikipedia.org\/wiki\/Taxonomy\" target=\"_blank\" rel=\"noopener\">taxonomic<\/a> revision of the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Fossil\" target=\"_blank\" rel=\"noopener\">extinct<\/a> <a href=\"https:\/\/en.wikipedia.org\/wiki\/Genus\" target=\"_blank\" rel=\"noopener\">genus<\/a> <em>Zittelia<\/em> from <a href=\"https:\/\/en.wikipedia.org\/wiki\/Jurassic\" target=\"_blank\" rel=\"noopener\">Jurassic<\/a> sediments made it possible to trace a gradual <a href=\"https:\/\/en.wikipedia.org\/wiki\/Evolution\" target=\"_blank\" rel=\"noopener\">evolutionary<\/a> change in shell <a href=\"https:\/\/en.wikipedia.org\/wiki\/Morphology_(biology)\" target=\"_blank\" rel=\"noopener\">morphology<\/a>: from the earliest species with an oval shell and elevated spire to later ones with a more globular form, in which the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Spire_(mollusc)\" target=\"_blank\" rel=\"noopener\">spire<\/a> scarcely rises above the last whorl. The morphology of the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Aperture_(mollusc)\" target=\"_blank\" rel=\"noopener\">aperture<\/a> indicates an affinity of <em>Zittelia<\/em> with representatives of the cowries (superfamily <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cypraeoidea\" target=\"_blank\" rel=\"noopener\">Cypraeoidea<\/a>), whose earliest members likewise appeared in the Late Jurassic.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" data-recalc-dims=\"1\" class=\"aligncenter wp-image-8667 size-full\" src=\"https:\/\/i0.wp.com\/muzeumewolucji.pl\/wp-content\/uploads\/2025\/11\/Zittelia_2025-c2d8b41e.jpg?resize=800%2C289&#038;ssl=1\" alt=\"\" width=\"800\" height=\"289\" srcset=\"https:\/\/i0.wp.com\/muzeumewolucji.pl\/wp-content\/uploads\/2025\/11\/Zittelia_2025-c2d8b41e.jpg?w=1382&amp;ssl=1 1382w, https:\/\/i0.wp.com\/muzeumewolucji.pl\/wp-content\/uploads\/2025\/11\/Zittelia_2025-c2d8b41e.jpg?resize=300%2C109&amp;ssl=1 300w, https:\/\/i0.wp.com\/muzeumewolucji.pl\/wp-content\/uploads\/2025\/11\/Zittelia_2025-c2d8b41e.jpg?resize=1024%2C370&amp;ssl=1 1024w, https:\/\/i0.wp.com\/muzeumewolucji.pl\/wp-content\/uploads\/2025\/11\/Zittelia_2025-c2d8b41e.jpg?resize=768%2C278&amp;ssl=1 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-69542aa5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"69542aa5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-260cd659\" data-id=\"260cd659\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-609a3b20 elementor-widget elementor-widget-text-editor\" data-id=\"609a3b20\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>PUBLICATION:<\/strong> Bakayeva, S., D\u2019Arpa, C., Berthet, D., <a href=\"https:\/\/www.paleo.pan.pl\/pl\/Hryniewicz.html\" target=\"_blank\" rel=\"noopener\">Hryniewicz, K.<\/a>, N\u00fctzel, A. &amp; <a href=\"https:\/\/www.paleo.pan.pl\/pl\/Kaim.html\" target=\"_blank\" rel=\"noopener\">Kaim, A.<\/a>, 2025. Stem cypraeid gastropods \u2013 a revision of the genus <em>Zittelia<\/em> Gemmellaro, 1869. <a href=\"https:\/\/geojournals.pgi.gov.pl\/asgp\/article\/view\/34580\" target=\"_blank\" rel=\"noopener\"><em>Annales Societatis Geologorum Poloniae<\/em>, 95: 93\u2013118<\/a>. https:\/\/doi.org\/10.14241\/asgp.2025.09<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>A taxonomic revision of the extinct genus Zittelia from Jurassic sediments made it possible to trace a gradual evolutionary change in shell morphology&#8230;<\/p>\n","protected":false},"author":3,"featured_media":8667,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[93],"tags":[],"class_list":["post-8870","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sc_news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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