无齿蚌属

无脊椎

[ noun ]
thin-shelled freshwater mussels
<noun.animal>

Anodonta \Anodonta\ n.
a genus of thin-shelled freshwater mussels.

Syn: genus {Anodonta}.
[WordNet 1.5]


Anodon \An"o*don\, n. [NL., fr. Gr. ? toothless; 'an priv. + ?,
?, a tooth.] (Zo["o]l.)
A genus of fresh-water bivalves, having no teeth at the
hinge. [Written also {{Anodonta}}.]