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Showing results for tags 'maple mill'.
Found 9 results
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From the album: Devonian
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From the album: Devonian
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From the album: Devonian
Most teeth are fragmentary, with the Phoebodus-type teeth being the most common. -
From the album: Devonian
One of the most complete teeth of this kind I've found so far (intact root, just missing two of the cusps). It's remarkably similar to Orhacanth shark teeth from the Permian, being tri-cuspid with the little "button." -
From the album: Devonian
Yes, sharks used to have spines! Xenacanth sharks in the Permian and Hybodont sharks did as well. This is the only shark spine I've seen from the Devonian - if you've got one, would love to see it. -
From the album: D/C Boundary Sharks
I think this Cladodont tooth does belong to Cladodoides. I am not 100% on that ID but still a nice early Cladodont tooth. Classified as Ctenacanthiformes. -
From the album: D/C Boundary Sharks
Partial but nice examples of Phoebodus. -
From the album: D/C Boundary Sharks
Another partial but nice example of this early shark -
We have recently picked up some rather interesting micro shark teeth from the Paleozoic. Originally this was our way to get some older shark fossils to show students but I am actually pretty interested in continuing to collect micros from this period. First up, the oldest Chondrichthyes fossils we have and as I understand it, the second oldest yet found. Denticles Upper Ordovician Harding Sandstone Colorado I read that these had been given a name, Tezakia. Not sure if that is still valid or if these denticles match those described.
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- paleozoic sharks
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