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Sween
Hello. I'm looking for an I'd on an ammonite. It's from Hunstanton, the Hunstanton formation or red chalk, which makes of Albian age, early to mid Cretaceous. I'm usually ok at identification with the books and literature I have but this one I need help with. It shows evidence of a fairly sharp keel which is not fully preserved. Any help appreciated.  IMG_20190925_171135.jpg  IMG_20190925_171157.jpg  IMG_20190925_171146.jpg  IMG_20190925_171228.jpg
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prep01
You will have to check, but I think this is one of the Subprionocyclus
Colin Huller
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ThomasM
This is a Mortoniceras of some sort
Thomas

If you don't look, you won't find.
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estwing
I agree with Thomas, for what it's worth
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prep01
Hi Thomas, Hmmm... 1) the post says it's from Hunstanton , it looks like chalk from the photo  2) is that not a keel? Mortoniceras doesn't have one as far as I know.
Colin Huller
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Sween
Thanks guys. I've seen pictures of Mortoniceras with a keel so it looks likely that the one. 
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advantage
Hi Sween
I live near Hunstanton. Excellent specimen from the Red chalk formation, they are not at all common at the locality, so yours is a fine example.

Steve
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ThomasM
Colin,

The red chalk is upper albian in age, and contains an ammonite fauna equivalent to the Upper Gault Clay. Mortoniceras, also, is indeed a keeled ammonite.

Will be able to give a species later in the week... currently don't have the spath monograph with me. Don't think it's M. inflatum though. Looks too coarse
Thomas

If you don't look, you won't find.
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prep01
Thanks Thomas, any chance of a copy of the monograph? PDF would be great!
Colin Huller
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