enopla

from The Collaborative International Dictionary of English v.0.48

Enopla \En"o*pla\, n. pl. [NL., fr. Gr. ? armed; ? in + ?, pl.,
   armor.] (Zo["o]l.)
   One of the orders of Nemertina, characterized by the presence
   of a peculiar armature of spines or plates in the proboscis.
   [1913 Webster]