The Cambrian was the first geological period of the Paleozoic Era, lasting from
541 to 485.4 million years ago (mya) and was succeeded by the Ordovician.
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 ...
Mar 21, 2013 ... 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 ...
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 ...
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The Cambrian is famed for its explosion of abundant and diverse life forms.
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 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 ...
These 300 million years of the Paleozoic era realized many critical events in
evolution, ... Cambrian Period (544 to 505 mya) - Most major animal groups
Mar 26, 2014 ... More than 500 million years ago in the Cambrian period there was an explosion
of animal life. The top predators were from a group called the ...