鳗类,鳗:无颚的各种原始水生圆口纲脊椎动物中的一种,包括七鳃鳗和盲鳗。
Any of various primitive aquatic vertebrates of the class Cyclostomata, lacking jaws and including the lampreys and hagfishes.
七鳃鳗隶属于圆口纲,是一类因营半寄生生活而引发机体显著特化的动物。
A commensal organism, especially an insect that lives in the nest or burrow of another species.
七鳃鳗隶属于圆口纲,是一类因营半寄生生活而引发机体显著特化的动物。
A commensal organism, especially an insect that lives in the nest or burrow of another species.
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