| 单词 | river mussel |
| 释义 | > as lemmasriver mussel river mussel n. any of various large freshwater mussels constituting the family Unionidae, esp. of the genera Unio and Pseudanadonta; (also) = river pearl mussel n. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > [noun] > section Asiphonida > family Unionidae > genus Unio > member of river mussel1637 painter's mussel1896 1637 R. Basset Curiosities 210 This appeares in River-mussels. 1769 J. Wallis Nat. Hist. Northumberland I. 402 The fresh-water shell-fishes,..or River-Muscles, are plentiful in most of our rivers. 1776 E. M. da Costa Elements Conchol. 295 The Pearl River Muscle. 1851 G. F. Richardson Introd. Geol. (1855) 435 A fresh~water deposit containing the shells of Unio, a river mussel. 1995 Daily Tel. 13 Dec. 13/2 Other rescue plans include..protecting the depressed river mussel, the largest in Europe. < as lemmas |
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