Paragnathus
Paragnathus (pȧ*rag"nȧ*thus) , noun
[New Latin See Para-, and Gnathic.]
(a)
(Zoology) One of the two lobes which form the lower lip, or metastome, of Crustacea.
(b)
(Zoology) One of the small, horny, toothlike jaws of certain annelids.