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Showing results for tags 'symphyseal'.
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From the album: Shark teeth and associated fossils from Antwerp, Belgium
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Hey Folks, Got this tooth in the spoils pile at the Aurora Fossil museum. I think it is a Physogaleus contortus symphyseal tooth, looking for confirmation or alternatives. It is 1/2 inch on slant. Thanks, Tony PS @MarcoSr, @siteseer, @sixgill pete, @Al Dente
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The stratigraphic information for this locality is questionable and so is specified vaguely. The environment is marine shell hash that may span late Miocene-Pleistocene. Dr. Richard C. Hulbert, Jr. from FLMNH had this to say about the locality: There are two “formations” found near the surface in that area of the state. One is the middle to late Miocene Peace River Formation. The other “formation” possible is has been informally called the Okeechobee Formation by Tom Scott, and consists of the sandy shell beds formerly called the Caloosahatchee, Bermont, and Fort Thompson formations. On the geologic map of Florida published by the state’s geological survey it is not designated a formal name and is instead listed as Pliocene/Pleistocene shelly unit. Even if found in situ within the Plio/Pleistocene unit, such specimens could be reworked out of the Peace River Formation. If you are finding them in modern creek alluvium, it will be difficult to be sure which is their original depositional unit.
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Working in Singapore the last six months, I was eager to look for teeth in my favorite places. Unfortunately, the best holes had silted in with sand and black decaying leaves and it took a lot of digging and screening. Didn't find anything spectacular, just lots of small teeth. One might be a sand shark symphyseal, small with a large almost rectangular root. Also a squirrel/rat tooth but not black and shiny like the shark teeth (put pictures under ID help). A start anyway.
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Found this yesterday at Brownie Beach, Maryland. I know it's from a Cow Shark, but I'm not sure about the specific kind. Any ideas?
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A very rare and nice, small megalodon symphyseal tooth. A tooth position that was not in all megs.
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Self Collected at the Lee Creek Mine. This hemi lower symphyseal has great coloration.
