Describes the characteristics of amphibian fossils, discusses how they are formed, and details how paleontologists determine fossil age.
Contents
What are fossils? -- Paleontology -- The first amphibian fossil -- Fossil formation -- Trapped in amber! -- Rock layers -- How old is it? -- Early frogs and salamanders -- Tiger salamanders and more -- Piecing together the puzzle -- That's not an alligator! -- Caecilians -- Connecting past and present.
