. . "101003920"@en-us . . "01480106-n"^^ . "0"^^ . . . . . . "placoderm"^^ . "placoderm"@en-us . "101480106"^^ . "101402940"@en-us . "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"@en-us . "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"@en-us . . . "0"^^ . .