Trachystomata

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Trachystomata \Tra`chy*stom"a*ta\, n. pl. [NL., fr. Gr. ? rough
     + stoma.] (Zool.)
     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.


     [1913 Webster]