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Showing results for tags 'edaphosaurus spine'.
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From the album: Permian
These are easily identified by the"cross bars" which protrude perpendicularly from the shaft of the neural/sail spines.-
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From the album: Permian
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- edaphosaurus
- edaphosaurus spine
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From the album: Permian
I'm very confident these marks are from predation/scavenging. By who? Could be Orthacanth sharks, or maybe Dimetrodon (though they seem too small).-
- edaphosaurus
- edaphosaurus spine
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