proteroglypha

from The Century Dictionary.

• A suborder or other division of Ophidia, containing venomous cobriform serpents whose anterior maxillary teeth are grooved or perforate and succeeded by smooth solid teeth, and whose maxillary bones are horizontal and do not reach the premaxillaries: thus contrasted with the crotaliform venomous snakes, or Solenoglypha.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) 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.