Silurian+Period

4th -new fish made an appearance in this time period -first fresh water fish -first fish with jaws appeared The silurian time period began about 443 million years ago to about 23 million years ago. Coaral reefs made their first apperance during this time period,



The silurain time period is when we find evidence of life. A rise of sea level created many new marine habitats.

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