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I'm quite used to finding small fish vertebra from these small sized fish coprolites @GeschWhat from the Oxford Clay of Peterborough.

 

5e9fe8f3d7df8_fishvertebraincoprolite1.jpg.9fecb41d5293e345815e33441595cf56.jpg

5e9fe99cab1af_fishvertebraincoprolite2.jpg.7f021317c1bd83b4c0c336f1ca52c839.jpg5e9fe9ffc3a10_fishvertebraincoprolite3.jpg.bba611605a283f0bc8aa1895ca1e13da.jpg

5e9fec4c810ee_fishvertebraeincoprolite4.jpg.1b6f8cb56758ad17cf45344d073d813f.jpg

 

But this one below has more of a shark vertebra appearance, or are there different variations of fish vertebrae. 

 

5e9fe9d467ed9_unknownvertebrainfishcoprolite1a.jpg.685f6d182b4b2be9b48d1cd13e1bdb09.jpg

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All vertebrae measuring between 2 and 3 millimetres. 

 

 

 

This one below is also a fish vertebra. 

fish vertebra in coprolite 5.jpg

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Tidgy's Dad

What lovely little specimens! :)

I agree, the one does look like a shark vert. 

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WOW, I would say shark vertebra as well. That is the first I've seen in an Oxford Clay coprolite. Thanks for sharing it!

 

 

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9 minutes ago, GeschWhat said:

WOW, I would say shark vertebra as well. That is the first I've seen in an Oxford Clay coprolite. Thanks for sharing it!

 

 

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Lori's in Love! I see this relationship standing the test of time.

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1 minute ago, Darktooth said:

Lori's in Love! I see this relationship standing the test of time.

Definitely! Oxford Clay copros are one of my favorites!

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1 hour ago, GeschWhat said:

Definitely! Oxford Clay copros are one of my favorites!

These coprolites are very appealing. I think I may also be in love with that tiny shark vert!:wub:

 

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I cannot for love nor money find any information relating to a shark vertebra ever being found from The Peterborough Member (Callovian, Middle Jurassic) of the Oxford Clay Formation, UK

 

All help would be most welcome, perhaps this may be a first. :zzzzscratchchin:

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DPS Ammonite

Here is a 2016 reference about a new shark from the Peterborough Member that may be a good starting point for your research. Check out it’s references. Contact the authors; they may be able to answer your question since they had to do a literature search. 
 

https://www.researchgate.net/profile/Christopher_Duffin/publication/305823719_First_occurrence_of_the_orectolobiform_shark_Akaimia_in_the_Oxford_Clay_Formation_Jurassic_Callovian_of_England/links/5a27f4dea6fdcc8e866e9a83/First-occurrence-of-the-orectolobiform-shark-Akaimia-in-the-Oxford-Clay-Formation-Jurassic-Callovian-of-England.pdf?origin=publication_detail

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A shark vertebra in a coprolite from anywhere is extremely rare. I think I may have seen it once before, but I can't think of where. I tried a google search, and nothing. Definitely a gem!  :envy:

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Hi @GeschWhat yes you are right, you only ever find the more resistant elements such as teeth, scales and the fin spines in the Oxford Clay.

 

I managed to contact one of the authors from this paper below a couple of days ago, just before @DPS Ammonite gave me the heads up. And was told it certainly looks like a "shark vertebra". I'm going to ask the authors again if they might think it could be from this type of shark. 

 

"First occurrence of the orectolobiform shark Akaimia in the Oxford Clay
Formation (Jurassic, Callovian) of England" 

 

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