scolecophidia

from The Century Dictionary.

• noun A series or super family of worm-like angiostomatous snakes, having the opisthotic fixed in the cranial walls, palatines bounding the choanæ behind, no ectopterygoids, and a rudimentary pelvis. It includes the Epanodonta or Typhlopidæ, and the Catodonta or Stenostomatidæ.