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Showing results for tags 'phoebodus'.
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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.-
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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."-
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I starting photographing some of the micro shark remains we’ve found in our matrix searches. I’m taking a break from fossils for awhile and from TFF so I wanted to get some of these posted. The ID’s are educated guesses based on publications I’ve read. I’m open to other suggestions. This originally started as a way to add some Devonian shark material but has really been a fantastic learning experience too. We’ve added some fossils to the collection for sure and some hard to find early shark genera. The knowledge gained is the big thing and it has been super fun. Few complete teeth and difficult to photograph with the equipment I have access to but you should get the general idea. We will start with the oldest first. Genundewa Limestone Devonian (Givetian) Eighteen Mile Creek Erie County Eden New York Phoebodus sp. Partial teeth are common in this matrix. We’ve found quite a few. This is small selection. Hard to photograph. This will be a fun shark to talk about. Very strange and similar to a modern Frilled Shark.
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- carbonifirous
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From the album: Devonian Shark Fossils
A partial Phoebodus tooth.-
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- genundewa limestone
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the final results of our first two Paleozoic micro shark hunts
fossilsonwheels posted a topic in General Fossil Discussion
We started working on two early forays into micro fossils over a year ago when we cracked open the vile of Permian matrix from Kansas. Those tiny Neva Formation formation fossils and the even older and smaller Genundewa Limestone fossils proved to be extremely challenging, sometimes very frustrating and all kinds of fun. The results were few shark fossils that made it from matrix to the safety of the display cases lol There were several lost or broken shark teeth and one pulverized to dust by a millimeter worth of thumb slippage. If we judged this by volume, one could say this wasn’t successful. I would call it an overwhelming victory for us. We didn’t find a lot but we nailed our three target morphologies plus we found an unexpected gem. The goal with the Neva material was simple Oceans of Kansas website provided the examples of a small unnamed Ctenacanthiformes/Cladodont tooth from this formation. That was it. I only needed one and we found 3. Unfortunately the first got crushed. The second found by our friend @Tay Francis but I lost it. It was on our third and final complete search that yielded one last Cladodont. This one survived and made to it’s final home in our display. Our youngest tooth in this order. Victory after a few defeats is no less a victory lol The Devonian Genudewa from New York yielded a half dozen partial Phoebodus type teeth. We also found 4 partial Omalodus teeth.Omalodus is also a relative of Doliodus. For me, this is so cool. We found a connection to a transitional shark ! The biggest surprise was a tooth that seemed a very close match to teeth I’ve seen described as Wellerodus, a relative of Antarticlamna. Devonian era New York does have some descriptions of these tooth morphologies and my tentative ID’s are based on publications so Im fairly confident in saying we found a couple of teeth from important early shark families. I’ll be starting another round of Paleozoic micro shark hunts including a return to both of these formations with new matrix. We will be better prepared with micro fossil slides and better handling. We are going to try a few different matrix samples including Maple Mill. I will get better pictures when I can but I’m just glad to have finally finished sorting and separating these tiny delicate teeth. First pic is the Kansas Cladodont Second pic on the left are Phoebodus, the right holds Omalodus and possible Wellerodus teeth.- 4 replies
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- cladodont
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From the album: D/C Boundary Sharks
Partial but nice examples of Phoebodus.-
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- maple mill
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From the album: Devonian Shark Fossils
Phoebodus sp. A truly bizarre and super cool early shark is Phoebodus. Very similar to modern Frilled Sharks. We are quite lucky to have a few of these. Our oldest are from micro searches. We found quite a few partials from this formation. Classified as Ctenacanthiformes as far as I know making these are oldest examples of that order.-
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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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- genundewa limestone
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Ancient Shark phoebodus was eel like and resembled frilled sharks. More than one skeletal element was found in the mountains in Morocco. https://m.phys.org/news/2019-10-skeletal-phoebodus-morocco.html