The Collaborative International Dictionary of English v.0.48:

Proteroglypha \Pro`te*rog"ly*pha\, n. pl. [NL., fr. Gr. ? before
   + ? to carve.] (Zool.)
   A suborder of serpents including those that have permanently
   erect grooved poison fangs, with ordinary teeth behind them
   in the jaws. It includes the cobras, the asps, and the sea
   snakes. Called also Proteroglyphia.
   [1913 Webster]