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Biological Environment > Ray Finned Fish |
Earth Earlier Earlier 390 Million Years ago Later Earth After Animals Later |
This site tells the story of the history of the universe. Click Earlier and Later to follow the story. Note: Many facts have been simplified to make them easier to understand. |
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These are the animals we normally think of as fish. They evolved about 390 million years ago. Unlike the lobe finned fish, their fins are adapted for swimming, not crawling. | |
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Earth Earlier Earlier 390 Million Years ago Later Earth After Animals Later |
Biological Environment > Ray Finned Fish |
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Basic Information |
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