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Bobo the bear

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Reply with quote  #1 
Hi, had a good day hunting yesterday. Have a few interesting fossils may need clarification. Place mat in pix is 3" square

First are tree roots??? running through matrix. Lots of them

IMG_20170616_125850667.jpg 
Next is pix of fossil wave patterns of ancient beach about 20 by 10 yards patch in total
IMG_20170616_134924099.jpg 
IMG_20170616_134955847.jpg 
Next a nice Dactylioceras commune
IMG_20170617_143440447.jpg 
Next couple of Cardinia Listerii

IMG_20170617_143510261_BURST001.jpg   
An unusual -for me, long needle shaped Belemnite guard from ???

IMG_20170617_143552341.jpg 

Next a couple of large partial clam like fossils??? with nacre still present

IMG_20170617_143711975.jpg  IMG_20170617_143925850.jpg 
Next..as they are only partials don't hold out much hope of ID of these larger ammonites

IMG_20170617_143740081.jpg 

Finally, what looks like plant to me but may be bone. Blends into the rock when dry but when you wet it both bits are Jet black- excuse the pun. That's what makes me think plant

IMG_20170617_143830930.jpg  IMG_20170617_143847801.jpg


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Bobothebear
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estwing

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Reply with quote  #2 
Hi Bobo
I think the ammonite in pic no. 4 looks more like D. tenuicostatum or D. semicelatum, definitely not D. commune
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Elbert

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Reply with quote  #3 
Hello, your tree roots are casts of burrowings of prawn/lobster like creatures, called Thalassinoides, the ammonite is a D. semicelatum, the clam is Pseudopecten aequivalvis and your broken nodule shows belemnite and ammonites, the small bivalves are probably Pholadomya sp.
You must have had a nice day; no sunburn?

greetings, Bert

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prep01

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Reply with quote  #4 
Hello Robert, nice haul!
  1. Wood (Lignite)
  2. As you say, good ripple marks
  3. As above
  4. D Tenuisostatum I think
  5. Cardinia or Dacromya
  6. As you say a magnificent almost complete belemnite
  7. Pecten family bivalve
  8. As 7)
  9. Is it another D Tenuicostatum?
  10. Pinna?
  11. As 10

I can't find the book I want at the moment so I may be out on some of them and I'm no expert on NYC fossils.

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Colin Huller
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Bobo the bear

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Reply with quote  #5 
Quote:
Originally Posted by Elbert
Hello, your tree roots are casts of burrowings of prawn/lobster like creatures, called Thalassinoides, the ammonite is a D. semicelatum, the clam is Pseudopecten aequivalvis and your broken nodule shows belemnite and ammonites, the small bivalves are probably Pholadomya sp.
You must have had a nice day; no sunburn?

No Sunburn...factor 30... Perfect weather conditions
Days you go to places and find loads of one partiicular fossil...yesterday it was hundreds of the Pecten bivalves.  Plenty of other types too...really nice...Timothy Taylor Landlord accompany lunch as well...heaven
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Bobo the bear

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Reply with quote  #6 
Quote:
Originally Posted by estwing
Hi Bobo
I think the ammonite in pic no. 4 looks more like D. tenuicostatum or D. semicelatum, definitely not D. commune

Thanks for ID...how do I choose between them...Prep thinks its your 1st choice.

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prep01

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Reply with quote  #7 
NYC ammonites bewilder me I'm afraid - have a look in the 'members ID section and go to the appropriate section and visit AndyS's website.
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Colin Huller
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Elbert

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Reply with quote  #8 
Hello, had another look; you are right; it`s a tenuicostatum...

greetings, Bert

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Bobo the bear

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Reply with quote  #9 
Quote:
Originally Posted by Bobo the bear
Quote:
Originally Posted by Elbert
Hello, your tree roots are casts of burrowings of prawn/lobster like creatures, called Thalassinoides, the ammonite is a D. semicelatum, the clam is Pseudopecten aequivalvis and your broken nodule shows belemnite and ammonites, the small bivalves are probably Pholadomya sp.
You must have had a nice day; no sunburn?

HI again...just thinking about the burrowing v tree/coral....there were so many that  i find it hard to beleive that burrowing creatures could have created them...must have been quite a few square metres showing. Colin suggested lignite but not sure about this either....position was in the cliff before you round the point on the way to Port Mulgrave. One point in favour I suppose is that they were embedded in sandstone.
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Bobo the bear

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Reply with quote  #10 
Quote:
Originally Posted by prep01
Hello Robert, nice haul!
  1. Wood (Lignite)
  2. As you say, good ripple marks
  3. As above
  4. D Tenuisostatum I think
  5. Cardinia or Dacromya
  6. As you say a magnificent almost complete belemnite
  7. Pecten family bivalve
  8. As 7)
  9. Is it another D Tenuicostatum?
  10. Pinna?
  11. As 10

Thx Colin...any ideas on the Belemnite ID in 6?


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AndyS

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Reply with quote  #11 
10 is a partial belemnite in a subnodosus nodule.

AndyS

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Bobo the bear

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Reply with quote  #12 
Quote:
Originally Posted by AndyS
10 is a partial belemnite in a subnodosus nodule.

Thx Andy don't know what a subnodosus is but will look it up.
Spent ages trying to ID the Belemnite in P6 closest match I came to was from Speeton which is cretaceous anyway. Is there an online site where I can match it for Jurassic Belemnite?
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Bobo the bear

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Reply with quote  #13 
Quote:
Originally Posted by Elbert
Hello, your tree roots are casts of burrowings of prawn/lobster like creatures, called Thalassinoides, the ammonite is a D. semicelatum, the clam is Pseudopecten aequivalvis and your broken nodule shows belemnite and ammonites, the small bivalves are probably Pholadomya sp.
You must have had a nice day; no sunburn

Looked up the Thalassinoides and you are correct?  What a mass of complex burrowings...does anyone know what the creatures looked like or are the infills the only record.....ALSO from yesterday what I thought was a Brach or Bivalve is really puzzling me...they are two obviously shells protruding up from the matrix like barnacles. My first thought was Gryphaea but a little prep has ruled them out as they don't fold over. Any Ideas?
They are about 1" diameter

IMG_20170618_100711834[1].jpg 

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Bobo the bear

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Reply with quote  #14 
Found a photo on-line of what I thought were tree roots in fact were Rhizocorallium burrows at Old Nab

Rhizocorallium.jpg 


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Bobothebear
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TqB

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Reply with quote  #15 
Your no. 6 belemnite could be "Hastites" sp. which is common around there. I suspect it's not really that shape though but is partially covered by matrix, so is probably Passaloteuthis sp. - I've been caught out by that a few times...

(Hastites from the Lower/Middle Lias should really be Prohastites but most publications haven't caught up with that yet.)
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Bobo the bear

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Reply with quote  #16 
Quote:
Originally Posted by AndyS
10 is a partial belemnite in a subnodosus nodule.

AndyS


Hi Anday,,,again.  Just freeing up some partials from my Staithes trip and came across this ammo which I don't think I have...It's not a Dac and very small...do you think it's worthwhile prepping some more

IMG_20170618_161724196[1].jpg  IMG_20170618_161740193[1].jpg


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Reply with quote  #17 
looks like an amaltheus subnodosus , fairly plentiful at staithes , i was at staithes last week and left quite a few smashed nodules with small ones showing as only really take the multis now or good sized ones but if its your first its worth prepping but i am sure you will find a bigger and better one soon .
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