Fossil dating wiki

A storm at sea may shift sediment on the ocean floor, covering and helping to preserve skeletal remains.

On land, burial is rare, so consequently fossils of land animals and plants are less common than marine fossils.

There is virtually no fossil record of jellyfish, worms, or slugs.

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Most of its body is quickly eaten by scavengers, and the remaining flesh is soon eaten by insects and bacteria, leaving behind only scattered bones.

Because mammal teeth are much more resistant than other bones, a large portion of the mammal fossil record consists of teeth.

This means the fossil record will show many organisms that had shells, bones or other hard parts and will almost always miss the many soft-bodied organisms that lived at the same time.

Another fossil reminded the Greeks of the coiled horns of a ram.

The Greeks named them ammonites after the ram god Ammon.

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