noun
extinct group of bony-plated fishes with primitive jaws
• Syn: ↑Placodermi
• Hypernyms: ↑class
• Member Holonyms: ↑Vertebrata, ↑subphylum Vertebrata, ↑Craniata, ↑subphylum Craniata
• Member Meronyms: ↑placoderm
Useful english dictionary. 2012.