jawless fish   (TTS Sound)

The jawless_fish has 1 Senses.

• jawless vertebrate, jawless fish, agnathan
• eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
• 円口類やある絶滅種を含む顎や対の外肢を持たないウナギ型脊椎動物