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
Photographer
English: NPS Photo
Title
English: Ctenacanth fin spine
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.

  • Keywords: Research; Paleontological Resources Inventory; Fossil; Shark Fossil; National Park Service Paleontology Program; Paleontology; Mammoth Cave National Park; Mammoth Cave
Depicted place
English: Mammoth Cave National Park, Kentucky
Accession number
cd937c26-b714-4574-aed9-f73e960d5995
Source
English: NPGallery
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
NPS Unit Code
InfoField
MACA
Album(s)
InfoField
English: Shark Fossils: Paleontological Research Inventory at Mammoth Cave

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current14:25, 6 March 2024Thumbnail for version as of 14:25, 6 March 20241,716 × 1,287 (610 KB)BMacZeroBot (talk | contribs)Batch upload (Commons:Batch uploading/NPGallery)

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