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From the album: Devonian
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- devonian
- devonian shark
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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."-
- devonian
- devonian shark
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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.-
- devonian
- devonian shark
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"Maple Mill Formation near Kalona, Iowa." came up in a topic about Devonian Shark's teeth. It is a micro matrix type of material that I am interested in collecting next summer. I hunt just north of Kalona anyways!!! Has anyone ever collected this matrix or knows the location of the Kalona Clay Pit?? All of my research reveals only vague references and looking at google maps shows little exposure of rock around Kalona. All help would be greatly appreciated. Thanks, Mike