Edriophthalmata

from The Collaborative International Dictionary of English v.0.48

Edriophthalma \Ed`ri*oph*thal"ma\, n. pl. [NL., fr. Gr.
   "edrai^os steadfast + 'ofqalmo`s the eye.] (Zo["o]l.)
   A group of Crustacea in which the eyes are without stalks;
   the Arthrostraca. [Written also {Edriophthalmata}.]
   [1913 Webster]