Derotrema

1 definition found

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

  Derotremata \Der`o*tre"ma*ta\, n. pl. [NL., fr. Gr. de`ros skin
     + ?, ?, hole.] (Zool.)
     The tribe of aquatic Amphibia which includes Amphiuma,
     Menopoma, etc. They have permanent gill openings, but no
     external gills; -- called also {Cryptobranchiata}. [Written
     also {Derotrema}.]


     [1913 Webster]