Topics: Paleontology : By Geological Interval
The study of paleontology can be broken down in a number of ways. One way to study past life is to examine specific intervals of the earth's past. This category is for any website that deals with the study of these intervals.
Cenozoic
The Cenozoic is the age of "New Life" - the age of the mammals. It began at the end of the Cretaceous with the great Cretaceous/Tertiary mass extinction, and continues until the present day.
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Mesozoic
The Mesozoic, or "Middle Life", Era is commonly called the Age of Dinosaurs. It began with the catastrophic Permian/Triassic mass extinction, and was truncated by the Cretaceous/Tertiary mass extinction, and is composed of the Triassic, Jurassic, and Cretaceous Periods.
Cretaceous,
Jurassic,
Triassic,
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Paleozoic
The Paleozoic, or "Old Life", Era is sometimes called the "Age of Fishes." It began with the Cambrian Explosion, a short period of time in which an enormous diversification of complex life occurred, and ended with the great Permian/Triassic mass extinction.
Cambrian,
Carboniferous,
Devonian,
Ordovician,
Permian,
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Proterozoic
The Proterozoic, or the Age of First Life, encompasses most of the history of earth, from the time of the oldest preserved fossils to the Cambrian explosion.
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