PLECTOGNATHI

‖Plec‐to″gna‐thi (?), n. pl. [] (Zoöl.) An order of fishes generally having the maxillary bone united with the premaxillary, and the articular united with the dentary. ☞ The upper jaw is immovably joined to the skull; the ventral fins are rudimentary or wanting; and the body is covered with bony plates, spines, or small rough ossicles, like shagreen. The order includes the diodons, filefishes, globefishes, and trunkfishes.