Among them there are 3 species of Amphineura, 68 species of Lamellibranchia, 80 species of Gastropoda.其中,双神经纲3种,瓣鳃纲68种,腹足纲80种....

Amphineura的音标：Amphineura的英式发音音标为：[æm'faɪnju:rə]Amphineura的美式发音音标为：[æm'faɪnjurə]...

双神经网...