Imagine that you found a Tropites fossil. How old is the rock surrounding it?
1 Answer
Dec 21, 2015
208-230 million years old
Explanation:
A tropites an extinct genus of cephalopods, a marine mollusk similar to modern squids.
The rock surrounding the fossil would be as old as the tropites itself, and would be from the Late Triassic Period (208 to 230 million years ago).
A tropites fossil.
A proposed map of the Earth in the Late Triassic Period (220 million years ago).
The tropites would be found somewhere in the ocean in marine rock.
A tropites fossil is a good indicator of prehistoric time since they only existed for roughly 20 million years.
