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== Description ==

== Description ==

The Cambrian period is the first period of the [[Paleozoic]] era, and is divided into Early, Middle, and Furongian epochs.  The Cambrian is preceded by the [[Precambrian]] era and followed by the [[Ordovician]] era.

The Cambrian period is the first period of the [[Paleozoic]] era, and is divided into Early, Middle, and Furongian epochs.  The Cambrian is preceded by the [[Precambrian]] era and followed by the [[Ordovician]] era.The Cambrian was named by the geologist [[Adam Sedgwick]] for Cambria,<ref>http://www.ucmp.berkeley.edu/history/sedgwick.html</ref> Latin for [[Wales]], which has large areas of rock originating in, and characteristic of, the period.Common Cambrian [[fossil]]s are of [[trilobite]]s, and inarticulate [[brachiopod]]s,<ref>http://www.palaeos.com/Paleozoic/Cambrian/Cambrian.htm#bio</ref> [[coral]]s and primitive [[echinoderm]]s. They also include what are considered by evolutionists to be the first [[vertebrate]]s, "primitive" jawless fish. Fossil remains other than shells or carapaces are rare.  One notable site for soft-bodied Cambrian invertebrate remains is the [[Burgess Shale]] of [[British Columbia]].<ref>http://wwwalt.uni-wuerzburg.de/palaeontologie/Stuff/casu9.htm</ref>

 

The Cambrian was named by the geologist [[Adam Sedgwick]] for Cambria,<ref>http://www.ucmp.berkeley.edu/history/sedgwick.html</ref> Latin for [[Wales]], which has large areas of rock originating in, and characteristic of, the period.

 

Common Cambrian [[fossil]]s are of [[trilobite]]s, and inarticulate [[brachiopod]]s,<ref>http://www.palaeos.com/Paleozoic/Cambrian/Cambrian.htm#bio</ref> [[coral]]s and primitive [[echinoderm]]s. They also include what are considered by evolutionists to be the first [[vertebrate]]s, "primitive" jawless fish.

 

Fossil remains other than shells or carapaces are rare.  One notable site for soft-bodied Cambrian invertebrate remains is the [[Burgess Shale]] of [[British Columbia]].<ref>http://wwwalt.uni-wuerzburg.de/palaeontologie/Stuff/casu9.htm</ref>

== Era and evolution ==

== Era and evolution ==