hyperoartia Meaning, Definition & Usage

  1. noun lampreys as distinguished from hagfishes
    suborder Hyperoartia; Petromyzoniformes; suborder Petromyzoniformes.

WordNet

Hy`per*o*ar"ti*a noun plural
Etymology
NL.
Definitions
  1. (Zoöl.) 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.

Webster 1913