{"id":7691,"date":"2026-02-06T12:53:25","date_gmt":"2026-02-06T11:53:25","guid":{"rendered":"https:\/\/fossiland.com\/?post_type=product&p=7691"},"modified":"2026-02-06T14:55:43","modified_gmt":"2026-02-06T13:55:43","slug":"zaphrentis-b0026","status":"publish","type":"product","link":"https:\/\/fossiland.com\/en\/shop\/bundenbach\/zaphrentis-b0026\/","title":{"rendered":"Bundenbach Zaphrentis primaera"},"content":{"rendered":"

Bundenbach Zaphrentis primaera<\/strong><\/span><\/p>\n

4.5 cm (fossil), 11×17 cm (matrix)
\nBundenbach; Obereschenbach pit<\/span><\/p>\n

Horn coral with style on an unbroken plate. with excellent details. <\/span><\/p>\n

 <\/p>\n

Zaphrentis primaeva – The lonely “horn coral” of the Hunsr\u00fcck slate<\/span><\/h2>\n

A magnificent solitaire with fine lines.<\/span><\/h3>\n

Forget the dense network of colony corals. Zaphrentis primaeva<\/em> is an individualist. This coral, which belongs to the Rugosa<\/strong> family, grew as a single polyp, creating one of the most iconic skeletons in the history of the earth: the “stone horn”. A fossil that plays a dominant role in every display case thanks to its sheer plasticity and organic aesthetics. <\/span><\/p>\n

 <\/p>\n

The distinctive features – what makes Zaphrentis primaeva so special:<\/span><\/h3>\n
    \n
  • The striking horn shape:<\/strong> The skeleton (Corallum) grows in a cone or horn shape. This curvature gives the fossil an elegant directional dynamic, which often looks like a frozen moment of movement in the shale. <\/span><\/li>\n
  • The filigree star pattern (septa):<\/strong> A look inside the calyx reveals its true beauty: numerous radial partitions (septa) run in a star shape towards the center. In Zaphrentis<\/em>, these septa are particularly pronounced and lend the fossil an almost architectural depth of detail. <\/span><\/li>\n
  • Wrinkled outer wall:<\/strong> The name of the group “Rugosa” is derived from the Latin rugosus<\/em> (wrinkled). The outside of Zaphrentis<\/em> shows characteristic growth rings and wrinkles, which document the age and living conditions of the polyp like a biological archive. <\/span><\/li>\n
  • Plastic preservation:<\/strong> Zaphrentis<\/em> is often preserved three-dimensionally in Hunsr\u00fcck slate. When the calyx is lined with light-colored calcite or shiny pyrite, a spectacular contrast to the dark matrix is created, making the inner structure of the coral literally glow. <\/span><\/li>\n<\/ul>\n

    An extinct branch of the earth’s history from Bundenbach<\/span><\/h3>\n

    The rugose corals such as Zaphrentis<\/em> are a completely extinct group that disappeared from the earth at the end of the Permian. A specimen of the species primaeva<\/em> from the Lower Devonian is thus a contemporary witness of a lost world, whose construction plan differs radically from today’s stony corals. <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

    Horn coral Zaphrentis primaera with style from the Devonian of Bundenbach (Hunsr\u00fcck slate), on unbroken slate slab, detailed collector’s item.<\/p>\n","protected":false},"featured_media":7692,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[145,148,152],"product_tag":[173,272,174,211,271],"class_list":{"0":"post-7691","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bundenbach","7":"product_cat-fossils","8":"product_cat-others","9":"product_tag-bundenbach","10":"product_tag-corals","11":"product_tag-devon","12":"product_tag-hunsrueck-slate-2","13":"product_tag-zaphrentis","14":"product_shipping_class-s-2kg-m","15":"desktop-align-left","16":"tablet-align-left","17":"mobile-align-left","19":"first","20":"instock","21":"shipping-taxable","22":"purchasable","23":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/fossiland.com\/en\/wp-json\/wp\/v2\/product\/7691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fossiland.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/fossiland.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/fossiland.com\/en\/wp-json\/wp\/v2\/comments?post=7691"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fossiland.com\/en\/wp-json\/wp\/v2\/media\/7692"}],"wp:attachment":[{"href":"https:\/\/fossiland.com\/en\/wp-json\/wp\/v2\/media?parent=7691"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/fossiland.com\/en\/wp-json\/wp\/v2\/product_brand?post=7691"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/fossiland.com\/en\/wp-json\/wp\/v2\/product_cat?post=7691"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/fossiland.com\/en\/wp-json\/wp\/v2\/product_tag?post=7691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}