Fossils. livingFossils - the preserved remains or evidence of living things.
Paleozoic Geology Floods, Glaciers, and The Birth of Pangea.
Chapter 18 Mass Extinctions, Opportunities and Adaptive Radiations Figure CO: Dinosaur fossil © Styve Reineck/ShutterStock, Inc.
Texas Through Geologic Time. Precambrian Precambrian Enchanted Rock, Fredericksburg, TX.
