Of or relating to the superorder Labyrinthodontia, an extinct group of amphibians resembling crocodiles and having a labyrinthine tooth structure.

• 迷齿亚纲动物有迷齿纲总目的动物或同迷齿纲总目有关的动物，是一群与鳄鱼相象的已灭绝两栖动物，长有结构复杂的牙齿