File:The fins spine of a Ctenacanth shark was discovered in a section of Mammoth Cave. Ctenacanth sharks are characterized by having (cd937c26-b714-4574-aed9-f73e960d5995).jpg
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Summary
[edit]English: Ctenacanth fin spine | |||||
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Photographer |
English: NPS Photo |
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Title |
English: Ctenacanth fin spine |
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Description |
English: A hand points to a small black spike covered in brown mud. The fins spine of a Ctenacanth shark was discovered in a section of Mammoth Cave. Ctenacanth sharks are characterized by having pronounced spines right in front of their dorsal fins. These spines were used for deterring predation by larger fish, such as bigger ctenacanth sharks.
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Depicted place |
English: Mammoth Cave National Park, Kentucky |
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Accession number | |||||
Source |
English: NPGallery |
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Permission (Reusing this file) |
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NPS Unit Code InfoField | MACA | ||||
Album(s) InfoField | English: Shark Fossils: Paleontological Research Inventory at Mammoth Cave |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:25, 6 March 2024 | 1,716 × 1,287 (610 KB) | BMacZeroBot (talk | contribs) | Batch upload (Commons:Batch uploading/NPGallery) |
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Special instructions | FBMD01000aa3010000637e0000f0770100149201006fb001000cea02000edf040065f90400262b050092600500e4f00800 |
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Original transmission location code | wqpBD6TGD9xsmYMJIcqP |