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Why is phacops rana a type of trilobite considered a good index fossil to use to estimate the age of a layer?
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What is a phacops fossil?
It is a genus trilobite that has been found as a fossil on New York soil. It went extinct about 232 million years ago.
How old is the rock around a phacops fossil?
The rock around a Phacops fossil is probably 405 and 365 million years old.
What do you call the common fossil arthropod whose name derives from three lobed?
Trilobite.
Which New York State index fossil may have been present in a rock layer that is missing due to the unconformity?
The trilobite is the index fossil
What geologic time period was the trilobite fossil associated?
Trilobites were associated with the Paleozoic era, from the Cambrian to the Permian.
What is PA's state symbol - fossil?
The Pennsylvania state fossil is the Phacops rana, a kind of trilobite.
What is a phacops fossil?
It is a genus trilobite that has been found as a fossil on New York soil. It went extinct about 232 million years ago.
How old is the rock around a phacops fossil?
The rock around a Phacops fossil is probably 405 and 365 million years old.
What is the extinct marine organism that can be used to date rocks?
There are many, but the trilobite is considered an exceptional index fossil.
What is Ohio's state fossil?
Ohio's state fossil is the trilobite.
What is the index fossil of the Cambrian?
Trilobite
What is the state fossil of Pennsylvania?
The trilobite.
Which fossil is most likely to be found in the same age bedrock as centroceras?
Phacops
What do you call the common fossil arthropod whose name derives from three lobed?
Trilobite.
What is Ohio's state fossils?
Ohio's state fossil is the trilobite.
Why did the Trilobite become Wisconsin's state fossil?
My balls are sweaty
How paleontologists use trilobite fossil as index fossil for various geologic time period?
yeah
