The Four General Features of the Fossil Record
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General Feature 3
Few of the fossils we find are of organisms that are now extinct.
General Feature 1
Fossils are usually found in sedimentary rock.
General Feature 4
Fossils found in one layer of stratified rock can be consiterably different from fossils found in another layer.
General Feature 2
The vast majority of the fossil record is made up of clams and other hard shelled creatures.