Principle of Faunal Succession

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The fossils found at any time are unique, and the fossils in layers of different ages have progressed and changed as time has moved forward. Fossils found in layers that are not as old have organisms that more resemble organisms that are alive today.

Synonyms:
Law of Faunal Succession, Faunal Succession
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Author: Chris

Assistant Professor, Salt Lake Community College, Salt Lake City, Utah