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Showing results for tags 'petalodont'.
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I've found a large number of similar looking, but fragmentary, multicuspid petalodont teeth in the LaSalle Limestone (Late Pennsylvanian) of Illinois. This is one of the more complete specimens I've found. I haven't been able to find a comparable specimen in literature, and was hoping somewhere here might have some thoughts.
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From the album: Chondrichthyan Teeth From The Pennsylvanian Period
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From the album: Chondrichthyan Teeth From The Pennsylvanian Period
I believe this to be apart of a Petalodont root as I found the tooth in the previous image right next to this one -
But still cool in my book! Earlier this year I found this petalodont tooth in the Spring Hill limestone. Being only the second one I've found, I excitedly plucked the chunk of matrix from the surrounding rock. I had previously (about a month earlier) found the tip of a crown in the underlying Hickory creek shale. This one was a bit bigger and after getting it home I scrutinized it with the loupe. There were more fragments visible throughout the rock. I'd been debating since then whether to try to remove the pieces and puzzle them together, or leave it as is. The other
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