Word Study
Placodermi
WORDNET DICTIONARY
Noun Placodermi has 1 sense
- placodermi(n = noun.animal) class placodermi - extinct group of bony-plated fishes with primitive jaws; Array is a member of craniata, subphylum craniata, subphylum vertebrata, vertebrata
is a kind of class
CIDE DICTIONARY
Placodermi, n. pl. [NL., fr. Gr. pla`x, plako`s, a tablet + de`rma skin.].
An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. See Illust. under Pterichthys, and Coccosteus. [1913 Webster]
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