{"id":6646,"date":"2026-09-25T16:03:13","date_gmt":"2026-09-25T13:03:13","guid":{"rendered":"https:\/\/dev.artefactumgallery.com\/catalog\/crinoid-fossil-plate-with-multiple-articulated-sea-lilies\/"},"modified":"2026-10-13T10:13:00","modified_gmt":"2026-10-13T07:13:00","slug":"crinoid-fossil-plate-with-multiple-articulated-sea-lilies","status":"publish","type":"product","link":"https:\/\/artefactumgallery.com\/en-hk\/catalog\/crinoid-fossil-plate-with-multiple-articulated-sea-lilies\/","title":{"rendered":"Crinoid Fossil Slab with Articulated Sea Lilies"},"content":{"rendered":"<p><strong>Rarity and Value<\/strong><br \/>These crinoid fossil slabs preserve multiple articulated specimens of ancient marine echinoderms commonly known as sea lilies. Crinoids are among the oldest known groups of echinoderms, first appearing in the Palaeozoic Era and thriving in prehistoric oceans for hundreds of millions of years. The fossils visible on the slab display exceptionally detailed crowns with radiating feather-like arms, segmented stems, and partially preserved calyx structures. Such articulated preservation is comparatively rare because crinoid skeletons typically disarticulate rapidly after death due to the fragile connection between calcitic slabs. Fossil slab preserving several individuals together provide important insight into colonial marine communities and are highly valued by collectors and palaeontologists studying ancient benthic ecosystems and echinoderm evolution.<\/p>\n<p><strong>Discovery<\/strong><br \/>Crinoids inhabited shallow marine environments where they attached themselves to the seafloor using elongated segmented stems. Their feather-like arms functioned as highly specialised filter-feeding structures capable of capturing plankton and organic particles suspended within ocean currents. Fossil assemblages such as this slabs likely formed through rapid burial events that protected delicate anatomical structures from scavenging and decomposition. The preserved arrangement of stems and crowns reflects the natural orientation of these organisms within ancient marine habitats. Crinoid fossils are significant indicators of paleoenvironmental conditions and marine biodiversity, offering valuable information about sedimentation patterns, ocean chemistry, and ecosystem structure within prehistoric seas.<\/p>\n<p><strong>Preservation<\/strong><br \/>This fossil slab preserves fine anatomical detail across multiple crinoid specimens, including segmented columnals, branching arms, and portions of the central body structure. Mineralisation within the surrounding sediment stabilised the calcitic skeletal framework while maintaining delicate surface textures and biological morphology. The contrast between the darker fossilised structures and the reddish sedimentary matrix enhances visibility of the preserved anatomy and reflects natural mineral replacement during fossilisation. The slab serves both scientific and educational purposes, allowing detailed examination of one of the most important groups of Palaeozoic marine echinoderms while preserving a direct biological record of ancient ocean life.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rarity and ValueThese crinoid fossil slabs preserve multiple articulated specimens of ancient marine echinoderms commonly known as sea lilies. Crinoids are among the oldest known groups of echinoderms, first appearing in the Palaeozoic Era and thriving in prehistoric oceans for hundreds of millions of years. The fossils visible on the slab display exceptionally detailed crowns [&hellip;]<\/p>\n","protected":false},"featured_media":2911,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"animal":[],"family":[],"frame_color":[],"genus":[211],"kind":[1631],"material":[],"period":[1609],"artifact_type":[],"type_of_rug":[],"view":[],"product_brand":[],"product_cat":[1239,1251],"product_tag":[],"class_list":["post-6646","product","type-product","status-publish","has-post-thumbnail","genus-crinoidea-sea-lilies","kind-fragment","period-devonian","product_cat-fossils","product_cat-gifts-for-fossil-lovers-for-sale","first","instock","sold-individually","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Crinoid Slab, Articulated Sea Lilies, 19 x 23 cm | Hong Kong<\/title>\n<meta name=\"description\" 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