haustellate

from The Collaborative International Dictionary of English v.0.48

Haustellate \Haus"tel*late\ (h[add]s"t[e^]l*l[asl]t or
   h[add]s*t[e^]l"l[asl]t), a. [See {Haustellata}.] (Zool.)
   Provided with a haustellum, or sucking proboscis. -- n. One
   of the Haustellata.
   [1913 Webster]