agnatha   (TTS Sound)

The agnatha has 1 Senses.

• superclass agnatha, agnatha
• superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
• ウナギ型の脊索動物の上綱で、顎と腹びれを持たない：ヤツメウナギ