{"id":7858,"date":"2025-02-26T12:01:48","date_gmt":"2025-02-26T11:01:48","guid":{"rendered":"https:\/\/muzeumewolucji.pl\/?p=7858"},"modified":"2025-02-26T12:03:15","modified_gmt":"2025-02-26T11:03:15","slug":"collagen-graptolites-strength","status":"publish","type":"post","link":"https:\/\/muzeumewolucji.pl\/?p=7858&lang=en","title":{"rendered":"Collagen: graptolites\u2019 strength"},"content":{"rendered":"\t\t
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Collagen: graptolites\u2019 strength<\/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
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\"\"The work is a synthetic compilation of data on the walls of graptolite<\/a> colonies, Ordovician<\/a> and Silurian<\/a> index fossils<\/a>. The walls of graptolites are composed of collagen<\/a> fibrils, forming unique half-rings (fuselli) and bands resembling bandages. Collagen fibrils of fuselli form a spongy structure, while bandages have densely packed, parallel fibrils. A unique group of graptolites are the Silurian retiolitines (Retiolitinae), in which bandages form a mesh of rods (lists). Thanks to the differentiation of collagen fibrils, their combinations and the creation of different structures, the walls of graptolites are strong and flexible.<\/p>

Figure: A Monograptid Saetograptus leintwardinensis<\/i>, B comparison of spongy fusellar fibrils with parallel cortical fibrils (SEM), C cortical bands (SEM), D retiolitid Retiolites geinitzianus<\/i> (A. Koz\u0142owska drawings, not scaled).<\/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

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PUBLICATION<\/b> \u2014 Koz\u0142owska A.<\/a>, Bates D. & Maletz J. 2024. Cortical developments in the Graptolithina (Pterobranchia) under the Scanning Electron Microscope \u2013 new clues. Annales Societatis Geologorum Poloniae<\/i>, 94(3): 205\u2013223<\/a>. https:\/\/doi.org\/10.14241\/asgp.2024.14<\/div>\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":"

The walls of graptolites are composed of collagen fibrils, forming unique half-rings (fuselli) and bands resembling bandages.<\/p>\n","protected":false},"author":3,"featured_media":7850,"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-7858","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sc_news"],"yoast_head":"\nCollagen: graptolites\u2019 strength - Muzeum Ewolucji Instytutu Paleobiologii PAN<\/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:\/\/muzeumewolucji.pl\/?p=7858&lang=en\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Collagen: graptolites\u2019 strength - 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