polyplacophora   (TTS Sound)

The polyplacophora has 1 Senses.

• polyplacophora, class polyplacophora
• 多板類
• small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura
• ヒザラガイ類の各種の貝を含む海産軟体動物の小綱