有鳃的

There are various special types of gutting, such as gibbing and nobbing.

有各种不同的特别类型的除去肠道方法，如除挤压。

The results show that the gill surface of all five species have frontal cilia,lateral cilia and laterofrontal cirri.

这5种蚌的表面都有前毛、侧毛和前侧毛。