labyrinthibranchii

from The Century Dictionary.

• In Sir John Richardson's iehthyological system, a family of acanthopterygian fishes: same as Labyrinthici or Anabantidæ.
• In Günther's ichthyological system, the sixteenth division of Acanthopterygii: fishes having the body compressed, oblong or elevated, scales of moderate size, and a superbranchial organ in a cavity accessory to the gillcavity for the purpose of retaining water. It includes the Labyrinthici or Anabantidæ and the Luciocephalidæ.