PLACODERM

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

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

Classified under:

Nouns denoting animals

Hypernyms ("placoderm" is a kind of...):

aquatic vertebrate (animal living wholly or chiefly in or on water)

Holonyms ("placoderm" is a member of...):

class Placodermi; Placodermi (extinct group of bony-plated fishes with primitive jaws)

Credits