- Creative Nets in the Precambrian Age
 - Telepolis article about ancient prokaryotic communities. - Dawn of Animal Life
- Using exclusively Canadian rocks and fossils, this exhibit highlights almost three billion years of early evolution when only simple, soft-bodied creatures inhabited the Earth. From the Miller Museum of Geology.
- Hadean Era, The
- Time in which the Earth and Solar System were formed though the coagulation and gravitation contraction of a large cloud of gas and dust surrounding the sun.
- Hadean Time
- When the Solar System was forming, 4.5 to 3.8 billion years ago.
- Introduction to the Archaean
- 3.8 to 2.5 billion years ago.
- Precambrian Eon
- Four billion year stretch of geological time, from the formation of the Earth itself to the start of the Cambrian period.
- Precambrian Eon, The
- Summarizes the major characteristics that define the Hadean, Archean, and Proterozoic eras.
- Radiation of the First Animals
- Article by Dr. Jere H. Lipps.
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