✅ SOLVED could this be a dino egg?

[archer63]

ok you guys were so good on the last one and thanks again. my sis found this its kinda cool.

 

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[archer63]

more photos

 

[old digger]

Ammonite fossil.

 

[archer63]

wow that was quick, thanks. it must have been 3 feet across this peice is a foot long. i really like this site and the folks on it

 

[old digger]

In Montana and Wyoming, ammonites have been found to be up to three to four feet in diameter.

 

[archer63]

thanks again

 

[Jason in Enid]

Ammonite fossil. View attachment 674592 View attachment 674593

I knew I recognized the pattern but couldn't place it. Good eyes on the quick ID