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Naze Dave

Here are a few more pics. 
First off, i gave one of my nodules a nice cut base, it makes a nice display piece now. Its a Striatolamia macrota tooth.

The next batch of pictures are all my best candidates for Sylvestrilamia teretidens. I've tried to use the same method as described on elasmo to id these, ie ruling out other sand tiger designs based on obvious differences (removes Anomotodon sp and Brachycarcharias sp) and then separating Striatolamia sp teeth based on the fact that those teeth designs tend to be more distinctive. This leaves potential teeth which don't fit into other sand tiger designs and are also different to know Striatolamia tooth positions. It's not exactly a bullet proof method, but these teeth are very difficult to decipher and i dont have very many resources on them.
All specimens are from Walton. Specimen 1.





All of them bear very weak serrations and dont resemble Striatolamia tooth positions in my opinion.

Edited by Naze Dave 2011-06-16 20:48:17
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Naze Dave
Hi all,
As my first year at uni is now finished, I decided it was about time I id'ed some of the shark teeth in my 'unknown' box.....bad idea! give me molecular biology any time lol. Anyway, here are a few pics, I'd appreciate any opinions on them. In a few days I'll upload some more.

These four are all the same. Based on the reconstructed tooth set featured on, i'm fairly certain these are upper anteriors of Hypotodus verticalis. Probably the first upper anterior judging by the relative width of the root. These are from the London Clay of Walton.

Based on the same tooth set as above, these are also H. verticalis. This time, lower anteriors. I was confused as it wasnt clear if the cutting edge extended all the way down the side of the tooth in all or some tooth positions. Elasmo shows that the anterior most lowers dont follow this, so im happy to agree with them. These are from the London Clay near Burnham.

This specimen i am a little less certain about, i think that it is an upper lateral from H. verticalis. This specimen is somewhat unusual in that it has two pairs of lateral cusps, although elasmo does note this. London Clay, Walton.


Thats all for now, but i shall put some more on soon.
thanks for looking
Still Life
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Dave, I have no references for shark teeth but very nice examples anyway. I hope someone can shed some light on these.
Have a nice day :0)
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I have one very similar to your last one, looks the same. Nice teeth, as well.
Let their be fossils!
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