ili:i43081
http:| rdf: | type | |
| skos: | definition | 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 |
Semantic relations
| ∴dns: | linked concept | en: placoderm |
Other
| Source | http: |
∴ fully or partially logically inferred
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