What is this fossilized claw found in a Belgian forest? It is 14.5 cm long and 2.5 cm in diameter.

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    $\begingroup$ What are its dimensions? $\endgroup$ – mgkrebbs Mar 31 at 17:50
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    $\begingroup$ Why do you say it is fossilized? $\endgroup$ – kmm Mar 31 at 21:57

Looks like the proximal end of a rib of a large mammal (cow, horse, deer). Without information about how large it is, it is not possible to get closer to an identification. It's not a claw and very likely not a fossil. It just looks old and dirty.

Here's a horse rib cage (from https://www.rodnikkel.com/content/saddle-tree-blog-from-shop-and-desk/the-rib-cage/):

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Ribs in the 4-7 range seem to be a good match for shape but not as much for roundness.

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  • $\begingroup$ It is 14.5 cm long and 2.5 cm in diameter $\endgroup$ – qazwsx Apr 2 at 21:42
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    $\begingroup$ This isn't my area, but how can you tell that it isn't any other elongate structure from a large mamal? For example, why isn't it a horn/antler? $\endgroup$ – Galen Apr 5 at 17:06

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