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Zoocubes
went to kingsdyke Cambridgeshire yesterday and found a few bits but found 2 white bones they are tiny but was wondering if they are prehistoric or just bird bones as i have no idea 😉 for size they are about 5cm 

37784115_2149694142023404_4344538313881812992_n.jpg  37867394_2149694168690068_7606200258728558592_n.jpg  37966910_2149694098690075_7020211709889478656_n.jpg 
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DuhDiamond
the large rock-looking one is a nice impression of an ammonite. that thing could be anywhere between 419 million years old and 66 million. Nice ammonite you got there! the right of the third picture looks like some either petrified wood or something else, can you please give a close up? as for the bones, I am not sure but they might be just petrified wood. petrified wood could be anywhere from 1 million years old to 400 million.
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MicroFossilMan
If the ammonite is from the Oxford Clay, which is what I believe is exposed at King's Dyke, then it's about 165 million years old.
MFM
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Zoocubes
The black object is as light as paper, and yes it is oxford clay i have made a close up of the what i also thought was wood, also i has some pointy things that the guide said was fish (first time new to all this and was mine and daughters first fossil hunting day''  37943260_10156680497504703_5771708242140856320_n.jpg  37893186_10156680496884703_5089999535292284928_n.jpg 
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Gandalf the White
I am pretty sure that it is wood. Here is some from Barton clay. Click image for larger version - Name: FF8C5BC7-869E-44D6-ADFB-BA1F5CAB1543.jpeg, Views: 14, Size: 1.17 MB
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Gandalf the White
Can you have a close up of the bones but in focus please.
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prep01
Hello Zoocubes and welcome to the forum.
Firstly allow me to request that in future you add a scale (a ruler is best) to all photos in an appropriate relationship to the aspect of the individual fossil you are photographing.
Secondly, The Oxford clay (several different members of differing ages) are between 155 & 160 million years old.
Given that I only have general photos to go on these are my suggestions (I have collected there several times).
Photo 1. & 2. I don't think they are fossils - they could be 2 core insulation  depending on size. Are they all hollow? Are they 'bendy'? The first 2 MIGHT be small sections of marine reptile rib if they are solid, but I would need macro photos of the broken ends.
Photo 3.  The left hand fossil in the block of mudstone is an ammonite of the genus Kosmoceras. The dark specimen might be Lignite (partially fossilised wood) and will be very soggy (usually), but I would need more photos especially of the broken ends (known as transverse sections). Underneath that again I would need more photos, but it looks like a small part of a large belemnite. The last 2 objects I have already talked about.
Photo 4 gives me no more information on the 'Lignite' I'm afraid.
Photo5. These are all (from what I can make out) parts of belemnites. Can you fit any of the different bits together? The larger ones look like Cylindroteuthis puzosiana, very commoon and can get to 150 - 190 mm in length! Their general form is shown below.

Belemnite.jpg 
I hope this has been of help to you.


Colin Huller
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snowyandtintin
I agree with Colin.
The first two might be marine reptile rib, (usually ichthyosaur with the depressed centre) and 157 to 166mya but equally could be electrical core insulation circa 1967! A clear photo of the ends will help.

Cheers
Steve
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Zoocubes
20170610_094952.jpg  20170610_094955.jpg  20170610_095008.jpg (ignore image dates camera is not set) Best i can do my camera does not like close up images [frown]
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Zoocubes
20170610_095940.jpg  20170610_095942.jpg  20170610_095948.jpg Also found this no idea what it is maybe a scale? it is metalic blue in colour 
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prep01
last one is part of an ammonite, but other pics show nothing - sorry
Colin Huller
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Zoocubes
is there a way how i can take a picture with the ends? i have a 4k go-pro but some reason when i put it close it is super weird quality 
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Brittle Star
Hi
I am not familiar with Go pro, look at user guide to see if there is a macro setting. Or try using a magnifying glass in front of the lens, experiment with distance.
JW

 Never ask a star fish for directions
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prep01
I'm 99% sure this is a piece of flex! a) will it bend at all? Can you score / cut into the outer layer with a Stanley knife?
Colin Huller
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Zoocubes
well we will all find out in the morning as i am going to fossils in march and jamie is going to have a look 😉
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