A large division of gastropod molluske, including the Pulmonifera and Opisthobranchiata.
belonging to the Inferobranchiata.
of Lamellibranchiata
The Marsipobranchiata.
of Dibranchiata.
abranchiata
n. 无鳃类
dibranchiata
两鳃目
Embolobranchiata
安鳃类
Eulamellibranchiata
真瓣鳃目
lamellibranchiata
<拉>瓣鳃纲
perennibranchiata
[医]鳃常存（两栖类）
prosobranchiata
前鳃类
Protobranchiata
原鳃类
Septibranchiata
隔鳃目
subclass Dibranchiata
[网络] 二鳃亚纲
