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Introducing speakers for the 2017 / 2018 lectures

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…”It’s that time of year for the Stamford and District Geological Society to start their winter lecture program at Tinwell Village hall.” Our first talk is titled “The mass grave in the coal mine – the iguanodons of Bernissart” by Franziska Norman, a geology student, Open University and Cambridgeshire Geological Society member.



Oxford Clay fossils from gravel exposures

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Three interesting finds found from a small Oxford Clay exposure by one of our members on a recent organised quarry visit. All three would appear to be from one of many different Jurassic Chrondrichthyes (cartilaginous fish) to be found in the once warm shallow seas around Peterborough.

These two are skull fragments and are likely to be from one of many species fish to be found.

And an anterior tooth probably from the Hybodont shark Asteracanthus ornatissimus.

Odd shape Lampshell

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These Silurian brachiopods with additional note in the matchbox below that holds them Is all the associated information there is. What I have noticed is those indicated with the “white arrow” would appear to have the same appearance as each other.

What I have noticed is those indicated with the “white arrow” below would appear to have the same appearance as each other.

But the one indicated by the “red arrow” above looks more bulbous and not flat on the bottom.

They are all probably Atrypa, possibly Atrypa reticularis. However there are other Atrypids and internal details may be required for confident identification.

Does anyone think that there may be two different species here?

WHITE arrowed brachiopod below:

RED arrowed brachiopod below:

Rescued from cardboard eating critters

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Hi Bill,

I’ve delved into this intriguing matchbox of fossils.

It’s quite possible this gastropod below could be a Neptunea species maybe Neptunea lyrata?
If I’m not wrong, Neptunea is present in the Pleistocene Red Crag.

As for the other gastropod below, well the jury is still out on that one, needless to say though they are both rehoused in a new box.

Away from those pesky cardboard munching critters.

…..just a thought, perhaps Mr Crowson may know I’ts identity 😉

Mystery bone fragment

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Fragment of bone found by one of the SDGS members from the Lower Oxford Clay, Peterborough Formation. Finds such as these are extremely difficult to identify in this condition, and it certainly does not take on the appearance of any Oxford Clay marine reptile bone I know of.

Perhaps a rare float and bloat (dinosaur bone element) but without an expert eye run a rule over it, and even then due to its condition it would almost certainly remain a mystery…for now J

Thanks for sharing….David.

Oxford Clay ammonites

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With the aid of the Fossils of the Oxford Clay book these ammonites would appear to be Kosmoceras spinosum. Unfortunately the exact location is unknown only the fossils were found from the Oxford Clay of Whittlesea.

Kosmoceras spinosum

Kosmoceras spinosum

Ammonite: Kosmoceras spinosum (?)

Geological Age: Jurassic. 157 myo

Stratigraphic Detail: Middle Oxford Clay

Locality: Whittlesea

Have any other SDGS members collected these in the past.

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