单词 | swan-mussel |
释义 | > as lemmasswan-mussel swan-mussel n. a common species of freshwater mussel, Anodonta cygnea. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > [noun] > section Asiphonida > family Unionidae > genus Anodont > member of swan-mussel1777 1777 T. Pennant Brit. Zool. (ed. 4, quarto) IV. vi. 113 Mytilus.. Cygneus..Swan. M[ussel] with a thin brittle shell, very broad and convex, marked with concentric striæ. 1864 Intellectual Observer Sept. 67 The swan-mussel (Anodonta)..is one of the largest of our bivalve molluscs. < as lemmas |
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