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I picked this up in the Wealden of Cooden bay, and can’t see it being anything other than a large herbivore coprolite. Presumably iguanodon. After my friend Ed, it’s got to be the 2nd biggest turd I’ve come across near bexhill  

 

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fossielen man
How can you see the difference between a coprolite and a rock that looks a bit like a coprolite? 
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Alex47
A good question. No digestion is ever complete -  for example horse dung, Even in cows whose fresh faeces are quite runny, when they dry out have visible plant bits in them. The same would apply to Cretaceous herbivores I suggest. So, with some luck and a decent hand lens, you might be able to see undigested leaf and stem remains in the coprolite. This only applies to herbivores - carnivores are a bit different  Sandstones and mudstones should be obvious when using a hand lens and many other rocks will have crystals and other clearly non-biological inclusions. Good luck and as a last resort send your photos to the NHM in London (they may not be fully open right now).
best wishes Alex
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