Pharyngognathi :: Pharyngognathi (n. pl.) A division of fishes in which the lower pharyngeal bones are united. It includes the scaroid, labroid, and embioticoid fishes..
Plectognathi :: Plectognathi (n. pl.) An order of fishes generally having the maxillary bone united with the premaxillary, and the articular united with the dentary..
Scaphognathite :: Scaphognathite (n.) A thin leafike appendage (the exopodite) of the second maxilla of decapod crustaceans. It serves as a pumping organ to draw the water through the gill cavity.
Schizognathism :: Schizognathism (n.) The condition of having a schizognathous palate.
Synentognathi :: Synedral (a.) Growing on the angles of a stem, as the leaves in some species of Selaginella..
Syngnathi :: Syngenesis (n.) A theory of generation in which each germ is supposed to contain the germs of all subsequent generations; -- the opposite of epigenesis.