Science Fair Project Encyclopedia
Placodermi
Antiarchi †
Arthrodira †
Petalichthyda †
Phyllolepida †
Ptyctodontida †
Rhenanida †
The Placodermi are fish known from fossils dating to the Devonian period. The front of its body and head were covered by armoured plates and the rest of its body was scaled or naked.
See also
- Ostracoderm
- Pterichthyodes - a genus of Placodermi.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


