Geologic time chart of major biological and geological eras, with the pivotal events.
The history of mammals through time.
GEOLOGIC EONS, ERAS and PERIODS - Dinosaur glossary explains basic paleontological terms.
Top Ten Dinosaur Questions. Zoom Dinosaurs is all about dinosaurs, dinosaur evolution, fossils, dinosaur extinction...
When did T-rex live? Tyrannosaurus rex during the late Cretaceous period.
Use the Middle Ages word list to learn about medieval times.
The Stone Age saw the foundation of culture. Read about this fascinating epoch in prehistory.
Volcano Dictionary: Q.
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