Category:Ctenacanthus fossils
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Media in category "Ctenacanthus fossils"
The following 4 files are in this category, out of 4 total.
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Ctenacanthus formosus (fossil shark spine) (Pennsylvanian; Kansas or Nebraska, USA) 1.jpg 3,624 × 1,328; 3.67 MB
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Ctenacanthus major Agassiz.png 1,046 × 1,918; 1.88 MB
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Ctenacanthus.jpg 1,950 × 1,327; 412 KB