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Hi, I was wondering if this could be a Pachystropheus bone? Although it is damaged, it looks similar to pictures of Pachystropheus femurs, could it be a femur? It measures 4.5cm. There's a tooth next to it, the closest possiblity I could find was Ichthyosaur, but I couldn't find anything that similar, so could this be an Ichthyosaur tooth? On the other side, there's some other things. I think the larger tooth could possibly be Severnichthys, and one slightly lower down to be Lissodus minimus I'd appreciate any help, Many thanks

Hi all, I recently acquired the below fossil, a pair of articulated jaws, purportedly from Pachystropheus rhaeticus, still with teeth, found at Garden Cliff/Westbury-on-Severn. Whether I wasn't paying proper attention when I bought it or just hoping there wouldn't be any pyrite on the piece, when I received the specimen it turned out that there are quite numerous pyrite-crystals growing to the side of the fossil. As it's quite an unusual piece that I'd rather like to keep, I'm now looking for people with experience with pyrite from the Garden Cliff location. In essence, I'd like to ask how stable the pyrite from this location typically is: whether it decays into a black oxidation product or starts blooming with time. How concerned should I be about the stability of this piece? The pyrite itself looks relatively clean right now, so I'm thinking the rock on which the fossil sits hadn't been exposed for too long. But any advice would be welcome. @Welsh Wizard @Pterygotus @DanJeavs

I tried posting something up a few days back but got no reply - I think maybe i made the mistake of posting too much up at once. Well I have now done some minor prep on this chunk of Rhaetic bone bed from Aust Cliff, anyway, and on revealing more of the bone and consulting my new purchase of 'Fossils of the Rhaetian Penarth Group', my confidence in my original conclusion has increased - that this most prominent bone fragment is the end of a Pachystropheus rhaeticus femur or tibia. I guess I was hoping that someone here with a lot more knowledge of these rocks would be able to confim my hunch so I can feel happy labelling it as such! I want to go back there now...(for reference, bone piece is approx 2.5cm long)

Hey, Wondering if anyone could tell me what this bone is? I'm assuming Pachystropheus rhaeticus. Found at Blue Anchor, Somerset, UK, from the Rhaetian, Triassic, Westbury formation. It measures roughly 2cm long Cheers

Hi, I am thinking this could possibly be a Pachystropheus centrum or neural arch. Could I be correct? It's from Aust cliffs, UK. The longest side is exactly 2cm long. Many thanks.

Hi everyone , anyone know what this bone is? My guess is a pachystropheus vert. It measure 17mm long and is Rhaetian, Triassic Found in Somerset, UK. Westbury formation. Thanks.