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Bookmark or Share- Shark Vert Vs Fish Vert - Questions & Answers - The Fossil ForumShark vertebrae tend to be preserved as just the centrum (the hockey puck-like disk) with two openings on top and two on the bottom where the hemal and neural arches were attached. The arches were cartilaginous in life and disintegrate quickly after death.
- Potomac River Shark Teeth - Fossil ID - The Fossil Forum11-15 - Worn shark teeth, likely odontaspidid 16 - Likely geological, but could be a particularly worn crocodile tooth. 17 and 21 - Look fossiliferous. Heterodontus cf. lerichei? Worn batoid tooth plates? 18-20 - More worn shark teeth, again likely odontaspidid 22 - Definitely a tooth of some description. Trichiurus sp.?
- Post pictures of the oldest lamniform shark teeth!My assumption was that lamniform sharks didn't really take off until the steady decline of the old Jurassic era regime like ichthyosaurs and plesiosaurs (pliosaurs) into the Cretaceous that were eventually devastated by the Cenomanian-Turonian (OAE 2) extinction.
- Shark Tooth or Shell? - Fossil ID - The Fossil ForumI found this on the beach in Hilton Head, South Carolina USA (July 2024). I’ve always wanted to find a shark tooth and this is the closest object I’ve found that resembles a fossilized shark tooth. Looking for a “gut check” of sorts to determine if it’s a shark tooth, part of an oyster shell, or something else.
- Can you find shark teeth on the east coast of australia?Fossil shark teeth have been dredged up on the Gold Coast and can be found at another secret site (I don't know where it is so don't ask me haha) somewhere in SE QLD. Apart from those you can find Permian sharks like Xenocanthus in the Sydney Basin although not exactly on beaches, but they're probably as close as you'll get however.
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