poecilopoda

from The Collaborative International Dictionary of English v.0.48

Poecilopoda \P[oe]`ci*lop"o*da\, n. pl. [NL., fr. Gr. ?
   variegated, manifold + -poda.] (Zool.)
   (a) Originally, an artificial group including many parasitic
       Entomostraca, together with the horseshoe crabs
       ({Limuloidea}).
   (b) By some recent writers applied to the Merostomata.
       [1913 Webster]