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Bobo the bear

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Cambrian Rockhound
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Hi all,
just bought this lovely polished Cadoceras which unlike my many other fossils will look OK on open display in the house. It's from Ashton Keynes area, Wiltshire and purports to be Callovian. The question is what species is it and what time period.... Have looked online and closest I saw was Cadoceras sublaeve but also online I found most of the larger fossils were dug out of the Oxford clay(Oxfordian). I know there is only a few million years difference but can anyone please clarify.  It is around 3-4 inches diameter.

Cadoceras 1.jpg  cadoceras.jpg


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Bobothebear
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TOARCIANJOHN

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Hi Bobo, Your Cadoceras is a well known element of the Lower Callovian and I am presently writing a paper which argues that in the English succession, the species name is sublaeve, by age priority.
TOARCIANJOHN

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Bobo the bear

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Quote:
Originally Posted by TOARCIANJOHN
Hi Bobo, Your Cadoceras is a well known element of the Lower Callovian and I am presently writing a paper which argues that in the English succession, the species name is sublaeve, by age priority.
TOARCIANJOHN


Many thx.
Just shows the amazing diversity of information on the web. I thought sublaeve but some sites said Oxfordian. Lower Callovian was what the vendor said. Good luck with the paper.

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