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deltapodus
Got me racking my brains about those. There's an article about xiphosaurid trackways from the Saltwick Formation that might help. You can get it for free from here. http://onlinelibrary.wiley.com/doi/10.1111/1475-4983.00297/abstract                              


 
           
 
         
Finally found bone[biggrin]
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deerhunter
Hi all my first post. Collecting two weeks ago beween Ravenscar and Staintondale I came across what looked like footprints but only about 10mm long. They were on very brittle stone and fell apart, anybody got any ideas on what they are ?
https://www.flickr.com/photos/123538208@N04/sets/72157644136967718/

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AMARSH
Hmmm, they look superficially like bird footprints, but I'm guessing that's highly unlikely. Intriguing!
Andrew Marsh
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Olenus
It looks like they could be Sparrowsaurus or even the Tyrannus blackbird.

Lee
The Ace of Spades,,,







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Phileas fossilis
Any chance of a hyperlink?
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Dirty Pete
http://www.flickr.com/photos/123538208@N04/sets/72157644136967718
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Phileas fossilis
Look like footprints. Is it old rock or just some recent cement that a bird has walked on? Interesting anyway!
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fossils-uk
I don't want to get your hopes up but pterosaur footprints have been found on the Yorkshire coast. But so has turtles crocodiles dinosaurs lizards. From these pictures it is inconclusive to say what made them.
Byron
fossils-uk, whitby
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deerhunter
Well whatever they were it wasnt cement,i left them there and just took photos.
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Gary W

They do look a bit like Pterosaur footprints
Gary
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Phileas fossilis
Worth preserving I would think. I expect there are more
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deltapodus
Between Ravenscar and Staintondale? On the beach, I take it?
The photo on the right is definitely dinosaur - I suspect it's theropod from the shape of the digits, but I prefer to see such things in person.
There have been arguments over prints: were they pterosaur, croc or turtle? Hard to say from your pics but they do resemble pterosaur prints - it looks as if you've got two parallel rows which I'd interpret as left and right tracks. 
If they are pterosaur tracks, then they are the imprints of the wings - manus prints. I can't see any sign of the hindlimb prints. 
Have you tried contacting any museums or experts with these?
Finally found bone[biggrin]
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deerhunter
The small prints I left where they were, the rock was falling apart and its a hard stretch of coast to access, by the time I got back the dog had blisters on her paws, suppose I will have to go back.
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deltapodus
I'm on the coast a week tomorrow - but was planning on Port Mulgrave. How far  from Ravenscar were they? If they're that fragile, I wonder if they'll have survived the tides.
Finally found bone[biggrin]
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deerhunter
To be honest it is difficult to get down there and fossils are few and far between, its hard going all big rocks and only a couple of ways up the cliff. The tides are right next week thought, if you are serious I can give you more details but not really recomended.
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deltapodus
It's something for another day, I think - it's over 20 years since I ventured down to Port Mulgrave. Still, I would appreciate your input on where they are. As far as I know, pterosaur prints are relatively rare - have you thought about contacting someone like Mike Romano, and emailing him the photos?
Finally found bone[biggrin]
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deerhunter
Well what a day, went down Blea Wyke at Ravenscar got a few shells out of the scar there and headed towards Staintondale on the rocks. Scorching weather, past the remains of a WW2 German bomber to try and find the footprints again. Turns out they were a lot further on than I remembered, I was begining to think I wouldnt find them. Well I did and better still I found the positive and negative of the prints, the rounded edge of one half shows it must have been a stream or something. Anyway heres a link to new photos with a coin for scale.
https://www.flickr.com/photos/123538208@N04/sets/72157644716137294/
Also had a perigrine falcon screaming past overhead
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PaleoStu
Those look like ripple marks to me, from waves lapping on a shoreline. I was not sure at first, but these look more like pterosaur manus prints as I look at them.

I could email these to Martin Lockley and Tony Martin for an opinion if you wish?
I love VP. I love whelks.
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deltapodus
Forgot about Martin Lockley - daft when I've got his books! I would be interested to see what he or Mike Romano make of them.  
You've got two of us thinking they're manus prints - I'm willing to email Mike if you wish: I've had contact with him before.
Finally found bone[biggrin]
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deerhunter
Already been in touch with mike I have no problem with you sending the photos to anyone else.
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PaleoStu
I emailed Tony Martin and he very kindly got back to me quite smartish. He thinks these might be limulid (horseshoe crab) tracks, a possibility I mentioned in my email to him but wasn't sure of due to the divergence of the trackways. However, there could be any number of reasons for this appearing to look like divergence when in fact it's not.

Do you know the exact facies these come from? I think Mike Romano has reported limulid tracks from Scarborough, so if these are a different horizon (and I assume they are) they are significant as I'm not sure the presence of limulids is known from the body fossil record.

It might be worth writing up the find after a bit more research, and I'd be happy to help in this regard.
I love VP. I love whelks.
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PaleoStu
Just one more note - there is of course a chance these aren't limulid tracks at all, in which case it'll be time to think again. There will be more to come later today or tomorrow I hope.
I love VP. I love whelks.
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deerhunter
Mike Romero thought the same, Horseshoe crab, and he wants to write up about them. Will keep you informed when he has seen them in person. Oh and I think they are from the Eller Beck formation.
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deltapodus
Shame they're not pterosaur tracks, but interesting to know that they're considered worthy of a write up.
Finally found bone[biggrin]
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PaleoStu
Great news - it's important they're written up and congratulations on a scientifically significant find, and it's also brilliant you're allowing them to be published on.
I love VP. I love whelks.
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deerhunter
Found more footprints  at the weekend at Hayburn Wyke. Went looking for more lumid prints, but couldnt find any more

Hayburn5.jpg 

Hayburn8.jpg 
Hayburn2.jpg 
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deltapodus
I can see what look like root casts in the last photo, but footprints? I sometimes use a graphics program to make them stand out by drawing around the prints. Any chance you could do that? My eyes just can't make out the prints. 
By the way, did you try the food at the Inn? Last time I went, it was very tasty, or, as my other 1/2 says, civilised fossil hunting.
Finally found bone[biggrin]
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deerhunter
The last photo is not very clear but there was a track right across the rock, plus a photo of another I found the same day. I didnt go to the pub the wife works Saturdays so me and the dog go collecting, if I went to the pub that would be enjoying myself too much
Hayburn21.jpg 
Hayburnprints1.jpg 
Hayburn4.jpg 
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deltapodus
Thanks for doing that. I have to admit I'm not certain the first one is a print - I can't see any sediment deformation, which is what you'd expect to see for a relatively large and heavy animal. The last one is very clear, though. Assuming I've got the size of your hammer right, it looks a classic example of a Deltapodus brodericki hindfoot print. Might be worth sending a photo of that one on to Mike Romano.
Finally found bone[biggrin]
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deerhunter
Sometimes photos dont do them justice when you are down there they just stand out, or they do for me you have to tune in to finding them sometimes I just cant find any, it depends on the light and stuff ?
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deerhunter
Hi all. Saturday I am going collecting at North Hawsker looking for footprints, bone etc if anyone would like to come along. But be warned its down a rope and a ladder and quite steep not for the faint hearted, but it is a good site.
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deltapodus
Can't join you this weekend, but sometime over the summer? For some reason, my best finds are always in company. 
Finally found bone[biggrin]
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boneblock
Spare a thought for us anglers that put the ropes and ladders in to gain access to the shore. Bear in mind though that the ropes and anchor points are old. Although access down North Hawsker is pretty straight forward if you come a cropper onƒâ€š‚ the top section it will probably be curtains
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deerhunter
Been back up Hayburn Wyke Saturday looking for more horseshoe crab footprints in the saltwick formation thats where they are from I know now, I was able to find one but they are difficult to find. I did find plenty of ivertebrate trace fossils or thats what I think they are any ideas anyone ?
P1000415.JPG 
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deltapodus
print_1.jpg 

The one I've circled in red has got me baffled - no idea at all. The one circled in blue reminded of something I've seen before, not a horseshoe crab, but it's taken a google search to find it. 

Follow the link, and scroll down to the line drawing of the prints, and have a look at the ones labelled Ciii through Cvii. I'm not saying the ones circled in blue are croc or turtle prints - I'm certainly no expert. Just that your prints reminded of those.
Finally found bone[biggrin]
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deerhunter
Sorry not made it very clear these are the invertebrate trace fossils not the footprints
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deltapodus
No apology needed - I was looking at the block you've labelled invert trace fossils, and wondering if the ones circled in blue was actually a croc or turtle print. That's why I put the link so you could compare it for yourself and not just  take my word for it.
Finally found bone[biggrin]
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deerhunter
There are better photos of Saturday on my flickr page

https://www.flickr.com/photos/123538208@N04/sets/72157645299674275/


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