| 单词 | river pearl mussel |
| 释义 | > as lemmasriver pearl mussel river pearl mussel n. a freshwater pearl mussel; esp. Margaritifera margaritifera (family Margaritiferidae). ΚΠ 1778 E. M. Da Costa Historia Naturalis Testaceorum Britanniæ 225/1 (heading) M[ya] Margaritifera. River Pearl Muscle. 1896 J. W. Kirkaldy & E. C. Pollard tr. J. E. V. Boas Text Bk. Zool. 315 The River Mussel (Unio) and the River Pearl Mussel (Margaritana margaritifera), which are common in England, are allied forms. 1998 Ethnohistory 45 27 The premier pearl-producing mussel is the eastern river pearl mussel (Margaritifera margaritifera). < as lemmas |
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