Why is "Periostracum" trending?
Latest news, Wikipedia summary, and trend analysis.
Trend Analysis
- Ranking position: #
- Date: 2026-03-30 18:42:01
This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.
Trend Insight
This topic is not currently in the ranking.
Wikipedia Overview
The periostracum is a thin, organic coating that is the outermost layer of the shell of many shelled animals, including molluscs and brachiopods. Among molluscs, it is primarily seen in snails and clams, i.e. in gastropods and bivalves, but it is also found in cephalopods such as Allonautilus scrobiculatus. The periostracum is an integral part of the shell, and it forms as the shell forms, along with the other shell layers. The periostracum is used to protect the organism from corrosion.
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Trending Topic Today
Search Interest Perspective
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Organic periostracum preserved in Cretaceous ammonoids from the Andean Neuquén Basin | Communications Biology - Nature
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Investigation on mussel periostracum, a viscoelastic-to-poro-gel graded material, as an interface between soft tissue and rigid materials - Nature
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Function of the flexible periostracal hairs in Trichotropis cancellata (Mollusca, Gastropoda) - BioOne Complete
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Physical and Biological Determinants of the Fabrication of Molluscan Shell Microstructures - Frontiers
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Biomacromolecules within bivalve shells: Is chitin abundant? - ScienceDirect.com
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Explore your sweet (or bitter) side this Valentine’s Day with the western bittersweet - Department of Ecology - State of Washington (.gov)
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Page 43 - The Freshwater Mussels of Oklahoma - Oklahoma Department of Wildlife Conservation
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Dark Leathery Surface of Geoduck Clams - Pêches et Océans Canada
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Il-yang’s antianginal drug found with excessive lead - koreabiomed.com
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Malacology Monthly: Cephalopod Compendium - Deep Sea News
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Questioning the pteropod's status as a key bioindicator for the effects of ocean acidification - University of Victoria
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Military Betting on Sea Snail's Shell - CBS News
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Absurd Creature of the Week: The Curious Case of the Elusive, Slimy Nautilus - WIRED
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Plasticity in organic composition maintains biomechanical performance in shells of juvenile scallops exposed to altered temperature and pH conditions - Nature
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The Mineralization of Molluscan Shells: Some Unsolved Problems and Special Considerations - Frontiers
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A Novel Tyrosinase Gene Plays a Potential Role in Modification the Shell Organic Matrix of the Triangle Mussel Hyriopsis cumingii - Frontiers
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Pteropods counter mechanical damage and dissolution through extensive shell repair - Nature
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Structure and distribution of chalky deposits in the Pacific oyster using x-ray computed tomography (CT) - Nature
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Crystallographic control of the fabrication of an extremely sophisticated shell surface microornament in the glass scallop Catillopecten - Nature
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Cretaceous amber fossils highlight the evolutionary history and morphological conservatism of land snails - Nature
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Snail's iron armour eyed by military - CBC
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Critter of the Week: the Kakahi - RNZ
Why This Topic Is Trending
This topic has recently gained attention due to increased public interest. Search activity and Wikipedia pageviews suggest growing global engagement.
Search Interest & Related Topics
Search interest data over the past 12 months indicates that this topic periodically attracts global attention. Sudden spikes often correlate with major news events, public statements, or geopolitical developments.