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Silurian Time Period


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Gives basic informatio on the Silurian Time Period.

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Silurian Time Period

  1. 1.  The Silurian Period happened about 440 million years ago. It is the 4th period located in the Paleozoic Era
  2. 2.  The beginning of the Silurian Period has been accepted as a period of regrouping. After the climax of the disastrous Ordovician Period, it was the Silurian Period that is responsible for the evolution and change of the remaining species.
  3. 3.  Many species were evolved during this Period During this period you can find the first appearance of fish with jaws Also making an appearance in the Silurian Period is fish with a bone structure, and first vertebrates Small spiny sharks began to appear which became the oceans first predators
  4. 4.  The first plants  Creepy-Crawlies appeared on land began to appear on These plants were the land also. mainly found in  They were small, marshy areas, grew measuring only a few low to the ground, centimeters long  Arthropods and and were absent of Cintepedes leaves.
  5. 5.  Prentice Hall Biology text book: Miller, Levine