Search Result for "placodermi": 
Wordnet 3.0

NOUN (1)

1. extinct group of bony-plated fishes with primitive jaws;
[syn: Placodermi, class Placodermi]


The Collaborative International Dictionary of English v.0.48:

Placodermi \Plac`o*der"mi\, n. pl. [NL., fr. Gr. pla`x, plako`s, a tablet + de`rma skin.] (Paleon.) 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]
WordNet (r) 3.0 (2006):

Placodermi n 1: extinct group of bony-plated fishes with primitive jaws [syn: Placodermi, class Placodermi]