{"id":13211,"date":"2026-10-02T12:33:59","date_gmt":"2026-10-02T10:33:59","guid":{"rendered":"https:\/\/mucbo.org\/beudanticeras-revoili\/"},"modified":"2026-10-02T12:36:13","modified_gmt":"2026-10-02T10:36:13","slug":"beudanticeras-revoili","status":"publish","type":"post","link":"https:\/\/mucbo.org\/en\/beudanticeras-revoili\/","title":{"rendered":"Beudanticeras revoili"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Beudanticeras revoili<\/strong> <strong>(Pervinquiere, 1907)<\/strong> MBCN35804<br><em>Beudanticeras revoili<\/em> is a species of ammonite (an extinct marine cephalopod mollusc related to modern-day octopuses and squids), with an external shell measuring up to 15 cm that is often preserved as a fossil. Its shell is shaped like a flattened disc, suggesting that these animals were probably good swimmers.<\/p><p class=\"wp-block-paragraph\">This month\u2019s specimen is a pyritised internal mould from the A. Comas collection. This fossil formed under oxygen-poor conditions, which favoured the precipitation of the mineral pyrite in the innermost whorls of the shell. We therefore know that the original shell was much larger than the fossil that has survived to the present day. When these fossils come into contact with atmospheric oxygen, a chemical reaction occurs that causes them to begin deteriorating rapidly. They therefore need to be consolidated under appropriate conditions. In Mallorca, fossils of this type were commonly found in clay quarries and cement works.<\/p><p class=\"wp-block-paragraph\"><strong>Provenance:<\/strong> G\u00e9nova, Mallorca.<br><strong>Age:<\/strong> Lower-Middle Albian, Lower Cretaceous, Mesozoic (around 112 million years ago).<\/p><p class=\"wp-block-paragraph\"><strong>Criteris de traducci\u00f3:<\/strong> he mantingut <em>Beudanticeras revoili<\/em> i la refer\u00e8ncia taxon\u00f2mica sense traduir, he conservat \u00edntegrament l\u2019HTML i he utilitzat terminologia paleontol\u00f2gica natural en castell\u00e0 i angl\u00e8s.<\/p>","protected":false},"excerpt":{"rendered":"<p>Beudanticeras revoili (Pervinquiere, 1907) MBCN35804Beudanticeras revoili is a species of ammonite (an extinct marine cephalopod mollusc related to modern-day octopuses and squids), with an external shell measuring up to 15 cm that is often preserved as a fossil. Its shell is shaped like a flattened disc, suggesting that these animals were probably good swimmers. This [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":13208,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[143],"tags":[493,494],"class_list":["post-13211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pieces-and-plants-of-the-month","tag-octubre-en","tag-peca-del-mes-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Beudanticeras revoili - MUCBO<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mucbo.org\/en\/beudanticeras-revoili\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Beudanticeras revoili - MUCBO\" \/>\n<meta property=\"og:description\" content=\"Beudanticeras revoili (Pervinquiere, 1907) MBCN35804Beudanticeras revoili is a species of ammonite (an extinct marine cephalopod mollusc related to modern-day octopuses and squids), with an external shell measuring up to 15 cm that is often preserved as a fossil. Its shell is shaped like a flattened disc, suggesting that these animals were probably good swimmers. 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