| NOUN | animal | placoderm | fish-like vertebrate with bony plates on head and upper body |
|---|
| Meaning | 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. | |
|---|---|---|
| Member of | Placodermi, class Placodermi | Extinct group of bony-plated fishes with primitive jaws |
| Broader | aquatic vertebrate | animal living wholly or chiefly in or on water |
| Spanish | placodermo | |
| Catalan | placoderm | |
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