Gymnophthalmata

1 definition found

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

  Gymnophthalmata \Gym`noph*thal"ma*ta\
     (j[i^]m`n[o^]f*th[a^]l"m[.a]*t[.a]), n. pl. [NL., fr. Gr.
     gymno`s naked + 'ofqalmo`s the eye.] (Zool.)
     A group of acalephs, including the naked-eyed medus[ae]; the
     hydromedus[ae]. Most of them are known to be the
     free-swimming progeny (gonophores) of hydroids.


     [1913 Webster]