bn:00062736n
Noun Concept
Categories: Articles with 'species' microformats, Prehistoric fish classes, Placoderms, Paraphyletic groups, Devonian fish
EN
placoderm
EN
Fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws WordNet 3.0
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EN
Fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws WordNet 3.0 & Open English WordNet
A member of an extinct class (Placodermi) of jawed fish with armored heads and thoraces; the group lived during the Silurian and Devonian periods. Wiktionary
WordNet 3.0 & Open English WordNet
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