Trachystomata
Pronunciation : Tra`chy*stom"a*ta
Part of Speech : n.
Etymology : [NL.,fr.Gr. stoma.] (Zo?l.)
Definition : 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.
pl.
Source : Webster's Unabridged Dictionary, 1913