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The top documents tagged [evolution of fishes]
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evolution of fishes
PHYLUM CHORDATA Dorsal Notochord-long rod that supports the body- becomes the vertebrae in most. Dorsal Nerve cord-becomes the central nervous system.
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Silurian- Devonian Periods
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Nonvertebrate Chordates, Fishes, and Amphibians Biology I: Chapter 30.
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Diversity of Fishes III. Phylum Chordata –Superclass Agnatha Class Pteraspidomorphi † Class Myxini (?) Class Cephalaspidomorphi –Superclass Gnathostomata.
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The Fishes: Vertebrate Success in Water Chapter 18 The Fishes: Vertebrate Success in Water Chapter 18.
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The Fishes: Vertebrate Success in Water
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The Fishes: Vertebrate Success in Water
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