| 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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Biological Environment > Ray Finned Fish
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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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Note: Many facts have been simplified to make them easier to understand.
Click here to read Time Crystal, history of the Universe as sci-fi fantasy romance!
