Cambrian Period (geochronology) --.
This page describes the Cambrian Period, including stratigraphy, fossil record, the Cambrian explosion, famous lagerstatten, and a sketch outline of some of the major
The Cambrian Period (543 to 505 million years ago) is the first time period of the Paleozoic Era. It is preceded by the Precambrian.

Earliest time division of the Paleozoic Era, extending from about 542 to 488.3 million years ago. The Cambrian Period is divided into four stratigraphic series
Carboniferous Period

Cambrian Period Study Guide & Homework.
Cambrian - Wikipedia, the free.

cambrian time period

Life During the Cambrian Period - UCMP -.

cambrian time period

Cambrian Period - Definition of Cambrian.

World of Earth Science - Cambrian Period Cambrian is the name given to a period of time in Earth's history (i.e., Cambrian Period), which spanned 57010 million
Online exhibits: Geologic time scale: Paleozoic Era. The Cambrian Period. The Cambrian Period marks an important point in the history of life on Earth; it is the time
The Cambrian Period - UCMP - University.
Cambrian Period - Chris's No-Frills Home.

Cambrian - Wikipedia, the free.
Cambrian: Life. Almost every metazoan phylum with hard parts, and many that lack hard parts, made its first appearance in the Cambrian. The only modern phylum with an
Cambrian - Wikipedia, the free.

Cambrian period Facts, information,.

Cambrian period. Cambrian is the name given to a period of time in Earth's history (i.e., Cambrian Period), which spanned 570 – 510 million years ago.
The Cambrian Period: An Explosion of Life
Cambrian Period Study Guide & Homework.
The Cambrian is the first geological period of the Paleozoic Era, lasting from 541.0 ± 1.0 to 485.4 ± 1.9 million years ago (mya) and is succeeded by the Ordovician.
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