Tomopteris

1 definition found

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

  Tomopteris \To*mop"te*ris\, n. [NL., fr. Gr. to`mos a cut +
     ptero`n wing (but taken to mean, fin).] (Zool.)
     A genus of transparent marine annelids which swim actively at
     the surface of the sea. They have deeply divided or forked
     finlike organs (parapodia). This genus is the type of the
     order, or suborder, Gymnocopa.


     [1913 Webster]