rajii

from The Collaborative International Dictionary of English v.0.48

Raiae \Ra"iae\ (r[=a]"y[=e]), n. pl. [NL. See {Raia}.] (Zool.)
   The order of elasmobranch fishes which includes the
   sawfishes, skates, and rays; -- called also {Rajae}, and
   {Rajii}.
   [1913 Webster]