Evolutionary Timelines

From Biosites.org

Geologic Time | 

Palaeos: The Trace of Life on Earth
Dedicated to providing detailed information on the history of life on Earth. Addresses palaeontology, evolution, geochronology, systematics, and ecology.

LIFE: A Journey Through Time
Frans Lanting photo essay tracing life's adaptations over the eons.

Evolution Animation
Flash animation provides a tour of the history of the universe, the solar system, and the development of life on Earth.

Life Through Geologic Time: A Pictorial History of Life on Earth
Provides a pictorial look at the geologic time scale, beginning with the Precambrian through the Holocene.

Timeline of Evolution
Wikipedia offers a timeline highlighting the emergence of different species over the last 4000 million years.

A Brief History of Life
NOVAs Origins program offers an interactive evolutionary timelines. Take a stroll from the Precambrian to the Quaternary.

Steve Rose's Evolution Timeline
Offers a proportioned -- 1 inch = about 2 million years -- evolutionary time line tracing life from first its very first forms to homo sapiens.

Deep Time
PBS Evolution offers an interactive timeline to help readers better understand geologic time and evolutionary change.