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- Gnathostomata
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- Placoderms
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Encyclopedic overview
Placoderms — prehistoric fish of the Class Placodermi, during the Silurian and Devonian periods of the Paleozoic Era.
Antiarchi see Antiarchi
Excerpted from Wikipedia’s “Category:Placoderms” article, available under the CC BY-SA 4.0 licence.