Siphuncle

[drbush]

Hi friends ,Happy new year , can you help me with this ,I went to Jubaila area, mid.Jurassic , to the north of Riyadh and found this large nautilus it was stuck to a hard rock layer , it is 36 cm wide ,21 cm high and  12 cm thick  but this not the question , the question is what is the bead like structure in the 2nd photo ????

[TqB]

Presumably the siphuncle. (Fine specimen!)

[drbush]

siphuncle ?

 

[Pemphix]

https://en.wikipedia.org/wiki/Siphuncle

[Rockwood]

It's easy to imagine their function in life facilitating such a preservation. 

[Tidgy's Dad]

Nice find.

[fossisle]

Wow awesome find!!

[FossilDAWG]

That's pretty cool.  I don't recall seeing anything like that before.

 

Don