One of the orders of Nemertina, characterized by the presence of a peculiar armature of spines or plates in the proboscis.
Source: Webster's dictionaryIn most of the class Enopla ("armed" ), the proboscis exits from a common orifice of the rhynchocoel and mouth. Source: Internet
However, it is now accepted that Anopla are paraphyletic (have given rise to another group), as one order is more closely related to Enopla than to the other order of Anopla. Source: Internet
Instead of one stylet, the Polystilifera have a pad that bears many tiny stylets, and these animals have separate orifices for the proboscis and mouth, unlike other Enopla. Source: Internet