Category:Trachystomata

Tra`chy*stom"a*ta, n. pl. Etym: [nl.,fr.Gr. stoma.] (zoöl.)

Defn: an order of tailed aquatic amphibians, including siren and Pseudobranchus. They have anterior legs only, are eel-like in form, And have no teeth except a small patch on the palate. The external Gills are persistent through life.