English noun: class Placodermi | |||
| 1. | class Placodermi (animal) extinct group of bony-plated fishes with primitive jaws | ||
| Synonyms | Placodermi | ||
| Broader (hypernym) | class | ||
| Member holonym | placoderm | ||
| Member meronym | Craniata, subphylum Craniata, subphylum Vertebrata, Vertebrata | ||