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At least 3
Cool rock, no matter how old.
Between 443.8 and 485.4 million years old. Looks like a gastropod from the ordovician period.
https://home.wgnhs.wisc.edu/wisconsin-geology/fossils/gastropod-mollusks-snails/
Who are you so wise in the ways of science
Yeah, that dude rocks.
At least 11days. So like somewhere between 12 days and like 500 million years or something like that.
3, just count the rings
That only works with tree-snails
One of my coworkers would say it could be up to 6000 years old, his date for the beginning of the world.
Could be a juvenile nautilus.
