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Piece of crocodile jaw? Or bone with worm burrows?


MrBones

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Hello,

I found this piece of bone in Ruwais, Abu Dhabi, UAE (United Arab Emirates). I have found many crocodile scutes in the area, which are Miocene in age. I was wondering if this bone was a piece of crocodile skull or jaw. It has some very weird holes, which reminded me of the crocodile osteoderms. I talked to a zooarcheologist who specialises in fossils in my area before I picked up the fossil, he said that they do find bones with worm borings in them, so I am not sure on what this is.20201013_112358.thumb.jpg.31c548503b7c8b0fceadf136759b08e0.jpg20201013_112329.thumb.jpg.6eb8067f1d979b6bef81341fe77edfcd.jpg

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3 minutes ago, Rockwood said:

I'm inclined to call them pholad borings in rock myself.

Those do look similar. I think my piece is bone however. It's very dry, and sticks to my tongue when I lick it.

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31 minutes ago, MrBones said:

It's very dry, and sticks to my tongue when I lick it.

My advice would be to get a lollipop. It will be as useful and taste better.

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Maybe part of a croc skull (seems similar to what is known from this area), see here:

https://www.thenational.ae/uae/environment/fossils-show-abu-dhabi-was-once-a-savannah-1.289492

https://www.researchgate.net/publication/281712147_Miocene_Geology_and_Fossils_of_Abu_Dhabi

 

On the other hand not easy to determine, cause the piece of rock or bone (?) is heavily weathered....

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