Hyperoartia /(?)/

Hy·per·o·ar·ti·a

Hyperoartia

n. pl.
  1. An order of marsipobranchs including the lampreys. The suckerlike moth contains numerous teeth; the nasal opening is in the middle of the head above, but it does not connect with the mouth. See Cyclostoma, and Lamprey. (Zool.)