sessile-eyed crustacea

from The Collaborative International Dictionary of English v.0.48

Sessile-eyed \Ses"sile-eyed`\, a. (Zool.)
   Having eyes which are not elevated on a stalk; -- opposed to
   {stalk-eyed}.
   [1913 Webster]

   {Sessile-eyed Crustacea}, the Arthrostraca.
      [1913 Webster]