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Cambrian

en.wikipedia.org/wiki/Cambrian

The Cambrian Period was the first geological period of the Paleozoic Era, of the Phanerozoic Eon lasting from 541 to 485.4 million years ago (mya), an interval ...

The Cambrian Period

www.ucmp.berkeley.edu/cambrian/cambrian.php

The Cambrian Period marks an important point in the history of life on Earth; it is the time when most of the major groups of animals first appear in the fossil ...

Cambrian Period & Cambrian Explosion: Facts & Information

www.livescience.com/28098-cambrian-period.html

May 27, 2016 ... The Cambrian Period is the first geological time period of the Paleozoic Era (the “ time of ancient life”). This period lasted about 53 million years ...

Cambrian Period | geochronology | Britannica.com

www.britannica.com/science/Cambrian-Period

Nov 10, 2015 ... Earliest time division of the Paleozoic Era, extending from 541 to 485.4 million years ago. The Cambrian Period is divided into four stratigraphic ...

Palaeos Paleozoic: Cambrian: The Cambrian Period - 1

palaeos.com/paleozoic/cambrian/cambrian.htm

An intro to the Cambrian Period, includes a review of each of the geological sub- divisions and the various forms of life that lived during this time.

BBC Nature - Cambrian period videos, news and facts

www.bbc.co.uk/nature/history_of_the_earth/Cambrian

The Cambrian is famed for its explosion of abundant and diverse life forms.

What happened in the Cambrian Period? - Quatr.us

quatr.us/geology/eras/cambrian.htm

At the beginning of the Cambrian Period, about 542 million years ago, there were sea creatures like hydras, jellyfish, sponges and seaweed living in the oceans, ...

Cambrian Period

personal.denison.edu/~hauk/bio380-2001/Cambrian.html

The Cambrian Period is the first period of the Paleozoic Era spanning from approximately 540 to 500 million years ago. It was named in 1835 by the geologist ...

Prehistoric Life During the Cambrian Period - Dinosaurs - About.com

dinosaurs.about.com/od/PaleozoicEra/a/Cambrian-Period.htm

The Cambrian period is famous for its "explosion" of multicellular life forms, including the first vertebrate animals. Here's a look at prehistoric life on earth during ...

Cambrian Fossils - The Virtual Fossil Museum

www.fossilmuseum.net/Paleobiology/CambrianFossils.htm

Cambrian Life Prior to the Cambrian life was small and simple. In the Cambrian Period, prodigious change occured, all in the oceans, as the land remained ...

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Life During the Cambrian Period

www.ucmp.berkeley.edu

A few mineralized animal fossils, including sponge spicules and probable worm tubes, are known from the Vendian period immediately preceding the Cambrian.

Cambrian Period, Cambrian Explosion Information, Prehistoric Facts ...

science.nationalgeographic.com

The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian Explosion saw an incredible diversity of ...

The Cambrian Period: An Explosion of Life - Fossil Facts and Finds

www.fossils-facts-and-finds.com

The Cambrian Period marks the beginning of the Paleozoic Era. This period gets its name from a place in Wales where the first examples of this type of ancient ...