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Devonian Armoured Fish
Topics
What are these things?
What did they look like?
What was their origin and what happened to them?
How did they reproduce?
Where can you find their fossils today?
Types of Placoderms
Rhenanida
Ptyctodontida
Phyllolepida
Arthrodira
Antiarchi
The Relationship Debate
References
Links
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