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Upper Miocene coprolite-like fossil ?


laiosx

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Theese are from Evia island Greece an Upper Miocene site with fossils. Any idea what can be the oblong ones ? The cones are freshwater gastropods that can be seen. there is also round and some arced ones. Some have  hole in the centre some not . The size also varies a lot from 1 cm to 10 cm

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I guess some of the non-conical ones could be coprolites but I'd need to see more detail to be more confident. The high-spired gastropods that are encrusted could be covered in fresh-water algae and so it's possible, too, that the non conical ones are other things similarly coated. 

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52 minutes ago, Carl said:

similarly coated

As an indicator the presence of the coating seems to have the potential to be a double edged sword for and against them being coprolites ?  

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There exist a permanent post from @GeschWhat for this, you'll find it on the top of the fossil identification forum and you can clic on the window below to go directly to it :

 

 

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Thanks for the response , I add some more photos cross section polished and not . The hole in the centre is usual feature but not always. Homocentric cycles also in many speciments , some resemble even stalactites. There are also round ones , somes seem to be hollow like small geodes.Texture is usual grainy but not always

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Edited by laiosx
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Hi,

 

 

Escargot-Grece.jpg.6a8a8e62f4c267c85b24fd2c2c8b38d0.jpg

 

These ones look like recent land snails on limestone : Pomatias elegans.

 

Coco

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6 hours ago, Coco said:

Hi,

 

 

Escargot-Grece.jpg.6a8a8e62f4c267c85b24fd2c2c8b38d0.jpg

 

These ones look like recent land snails on limestone : Pomatias elegans.

 

Coco

Thanks for the id , of the snail . Didn't know that species , and was wondering if it was a freshwater species

 

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10 hours ago, laiosx said:

Thanks for the response , I add some more photos cross section polished and not . The hole in the centre is usual feature but not always. Homocentric cycles also in many speciments , some resemble even stalactites. There are also round ones , somes seem to be hollow like small geodes.Texture is usual grainy but not always

3434.jpg

fdf.jpg

fgfhfg.jpg

fdgg.jpg

ggg.jpg

bbfff.jpg

gggg.jpg

any other sugestion except coprolite ? plant material fossil , non biological formations ?

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3 hours ago, westcoast said:

Oncoids?

Seems to explain the structure being more complex than the average travertine or tufa.

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