Placodermi

Từ điển Oxford Learners Wordfinder Dictionary

noun

extinct group of bony-plated fishes with primitive jaws
• Syn:
class Placodermi
• Hypernyms:
class
• Member Holonyms:
Vertebrata, subphylum Vertebrata, Craniata, subphylum Craniata
• Member Meronyms:
placoderm